Admin Guide Imm6215

Storage System

Administration GuideRelease 7.0

SAG-700-2

Publication Title: System Administration Guide Publication Date: August 2010

Neither BlueArc Corporation nor its affiliated companies (collectively, BlueArc) makes any warranties about the information in this guide. Under no circumstances shall BlueArc be liable for costs arising from the procurement of substitute products or services, lost profits, lost savings, loss of information or data, or from any other special, indirect, consequential or incidental damages, that are the result of its products not being used in accordance with the guide. This product includes software developed by the OpenSSL Project for use in the OpenSSL Toolkit (http://www.openssl.org/). Some parts of ADC use open source code from NetApp, Inc. and Traakan, Inc. The product described in this guide may be protected by one or more U.S. patents, foreign patents, or pending applications. The following are trademarks licensed to BlueArc Corporation, registered in the USA and other countries: BlueArc, the BlueArc logo, and the BlueArc Storage System. Microsoft, MS-DOS, Windows, Windows NT, and Windows 2000/2003/2008 are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries. UNIX is a registered trademark in the United States and other countries, licensed exclusively through The Open Group. All other trademarks appearing in this document are the property of their respective owners. Copyright 2010 BlueArc Corporation. All rights reserved.

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Mercury Server and Titan Server

About This GuideThe following types of messages are used throughout this guide. We recommend that these messages are read and clearly understood before proceeding. Tip: A tip contains supplementary information that is useful in completing a task. Note: A note contains information that helps to install or operate the system effectively. Caution: A caution indicates the possibility of damage to data or equipment. Do not proceed beyond a caution message until the requirements are fully understood.

Related Documents StorageSubsystemGuide:InPDFformat,thisguideprovidesinformationaboutusingthestorage subsystemsattachedtothestorageserver/cluster. SoftwareInstallationGuide:InPDFformat,thisguideprovidesinformationaboutinstallingsoftware andfirmware,includinginstructionsonhowtoupgradeanddowngradethestorageserverandthe SMU. HardwareInstallationGuide:InPDFformat,thisguideprovidesinformationaboutinstallingthe storageserverandconnectingittoyournetwork. MercuryServerHardwareReference:Thisguide(inPDFformat)providesanoverviewoftheMercury Serverhardware,describeshowtoresolveanyproblems,andshowshowtoreplacefaulty components. TitanServerHardwareReference:Thisguide(inPDFformat)providesanoverviewoftheTitanServer hardware,describeshowtoresolveanyproblems,andshowshowtoreplacefaultycomponents. CommandLineReference:Thisguide(inHTMLformat)describeshowtoadministerthesystemby typingcommandsatacommandprompt. ReleaseNotes:Thisdocumentgiveslatebreakingnewsaboutthesystem.

Browser SupportAny of the following browsers can be used to run Web Manager, the System Management Unit (SMU) web-based graphical user interface. Microsoft Internet Explorer: version 7.0 or later. Mozilla Firefox: version 1.5 or later. Note: The SMU uses cookies and sessions to remember user selections on various pages. Therefore, you should open only one web browser window or tab to the SMU from any given workstation/PC. If multiple tabs/windows are opened from the same workstation/PC, a change made in one tab/window may unexpectedly affect the other tab/window.

System Administration Guide

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The following Java Runtime Environment is required to enable some advanced Web Manager functionality. Sun Microsystems Java Runtime Environment: version 5.0, update 6, or later.

A copy of all product documentation is included for download or viewing through Web Manager. The following software is required to view this documentation: Adobe Acrobat: version 7.0.5 or later.

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Table of Contents1 Overview of BlueArc NAS Storage SystemsSystem Management Unit (SMU) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Storage Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Virtual Servers (EVSs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Private Management Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Public Data Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Storage Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Default User Name and Password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Physical and Logical Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Managing a Server/Cluster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7Using Web Manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Server Status Console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Accessing Web Manager Pages (Navigation) . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Web Manager Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Using the Command Line Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 SMU Command Line Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Server Command Line Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

2

Quick System Configuration

Using the SMU Setup Wizard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Selecting SMU-Managed Servers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Using the Server Setup Wizard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18


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3

Optional Configuration StepsUsing Advanced Mode Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Adding an SMU User - Global Administrator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Adding an SMU User - Storage Administrator . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Adding an SMU User - Server Administrator . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Editing an SMU Users Profile. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Changing the Password for the Currently Logged in User . . . . . . . . . . . . . . . . . . . 33

Managing Users and Roles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Configuring the System Management Unit (SMU). . . . . . . . . . . . . . . . . 34Configuring SMU Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Changing the IP Address for a Managed Server . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Configuring an SMTP Relay for the SMU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Configuring the Storage Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38Configuring Server Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 Configuring Date and Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 Using the SMU for NTP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 NTP Server Interaction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Configuring Server Management Access . . . . . . . . . . . . . . . . . . . . . . . 42Setting the Server Password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 Configuring Server Access Protocols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Configuring the Private Management Network . . . . . . . . . . . . . . . . . . . 45Configuring the Management Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 Configuring Devices on the System Monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 Adding a Device from the Public (Data) Network . . . . . . . . . . . . . . . . . . . . . . 50 Adding a Device from the Private Management Network . . . . . . . . . . . . . . . . . 51

Receiving SNMP Traps through the SMU . . . . . . . . . . . . . . . . . . . . . . . 53 Managing Uninterruptible Power Supply Usage (Titan Server only). . . . . 54Adding a System Power Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 Viewing or Changing UPS Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 Configuring Power Failure Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

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4

Network Configuration

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 Network Interfaces. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 IP Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66VLAN Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 Jumbo Frames . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

IP Routing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68Default Gateways. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 Static Routes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 Dynamic Routes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70

Network Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 Name Services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70DNS and DDNS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 Registering a CIFS Name . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 Secure DDNS Updates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 WINS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

Directory Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71NIS (for NFS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 LDAP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Configuring the Gigabit Ethernet Data Interfaces . . . . . . . . . . . . . . . . . 72Link Aggregations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 Viewing Link Aggregation Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 Viewing or Changing the Aggregation Configuration . . . . . . . . . . . . . . . . . . . . 74 Adding Aggregations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 Deleting Aggregations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 IP Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79 Viewing Existing IP Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79 Adding an IP Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81 Removing an IP Address . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81 Modifying Advanced IP Network Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . 84 Managing the Servers Route Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

Configuring Name Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88Specifying and Prioritizing Name Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88


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Configuring Directory Services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91Enabling and Configuring NIS and LDAP Services. . . . . . . . . . . . . . . . . . . . . . . . . 91 Enabling and Disabling NIS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91 Viewing the NIS Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92 Adding NIS Servers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94 Modifying the NIS Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94 Changing the Priority of a Configured NIS Server. . . . . . . . . . . . . . . . . . . . . . . . . 96 Configuring LDAP to Provide NIS Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 Adding an LDAP Server. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98 Modifying the LDAP Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99 Modifying the LDAP Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 Changing Name Services Order . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

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Storage Management

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103 Storage Management Components. . . . . . . . . . . . . . . . . . . . . . . . . . 103 System Drives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104System Drive Groups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104

Storage Pools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105Tiered Storage Pools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106

File Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106File System Formats. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107 File System Tiers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108 Tiered File Systems and Snapshots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109 File System Block Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109 WORM File Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110 WORM Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110 Read Caches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110 Controlling File System Space Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111 Monitoring File System Load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112 Increasing the Size of a File System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112 Usage Quotas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113

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Virtual Volumes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115 Thin Provisioning File Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116 Moving a File System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118 File System Relocation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118

BlueArc Data Migrator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120Data Migration Paths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121 Types of Migration Targets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122 Cross Volume Links in Data Migrator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122 Cross Volume Link Format Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . 124 Data Migrator Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124

Using System Drives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127 Using a Storage Pool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127Creating a Storage Pool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127 Adding the User Data Tier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134 Deleting Storage Pools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137 Expanding a Storage Pool or a Tier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138 Reducing the Size of a Storage Pool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143 Denying Access to a Storage Pool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143 Allowing Access to a Storage Pool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144 Renaming a Storage Pool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145 Configuring Automatic File System Expansion for an Entire Storage Pool . . . . . . . 146

Using File Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149Creating a File System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149 Viewing Available File Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159 To View the Details of a File System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161 Deleting a File System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166 Formatting a File System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167 Mounting a File System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168 Unmounting a File System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168 Managing File System Expansion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169 Enabling/Disabling File System Auto-Expansion . . . . . . . . . . . . . . . . . . . . . . 171 Managing File System Auto-Expansion Confinement . . . . . . . . . . . . . . . . . . . 171 Expanding File System Manually . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173 Relocating a File System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175 Using System Lock on File Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176 Enabling and Disabling System Lock for a File System . . . . . . . . . . . . . . . . . . . . 177 Recovering File Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178 Recovering a File System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180

Using WORM File Systems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182System Administration Guideix

Designating Retention Date. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182 Marking a file as WORM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183

Managing Usage Quotas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184To Set User and Group File System Quota Defaults . . . . . . . . . . . . . . . . . . . . . . 185 To Add a File System Quota . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187 To Modify a File System Quota . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188 To Delete a File System Quota. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188

Managing Virtual Volumes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188Adding a Virtual Volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190 Modifying a Virtual Volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192 Deleting a Virtual Volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192

Managing Quotas on Virtual Volumes . . . . . . . . . . . . . . . . . . . . . . . . 193Viewing/Modifying Virtual Volume Quotas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193 Setting User/Group Defaults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196 Adding a Quota . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197 Deleting a Quota . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199 Exporting Quotas for All Virtual Volumes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 Exporting Quotas for a Specific Virtual Volume . . . . . . . . . . . . . . . . . . . . . . . . . 200

About the rquotad Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201rquotad Service Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202 Restrictive Mode Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202 Matching Mode Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202

Configuring the BlueArc Data Migrator . . . . . . . . . . . . . . . . . . . . . . . 203Configuring Data Migrator Paths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203 Adding a Local Data Migration Path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204 Adding External Data Migration Paths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207 Data Migration Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 208 Data Migration Policies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 222 Migration Schedules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231 Migration Reports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237 Migration to HCP Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241 Reclaimed Space . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242 Reversing Migration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242 iSCSI Logical Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243

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File ServicesSupported CIFS Versions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 246 Supported NFS Versions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247

File System Protocols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 246

Unicode Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247CIFS Unicode Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247 FTP Unicode Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247 NFSv2/3 and NIS Unicode Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247 Changing the Character Set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248

File System Security. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248 Enabling and Disabling File Services . . . . . . . . . . . . . . . . . . . . . . . . . 249 Managing File System Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250NFS Security and Kerberos . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250 Setting Secure NFS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250 Mixed Security Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251 CIFS Access to Native CIFS Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251 NFS Access to Native NFS Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251 Client Access to Non-Native Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251 UNIX Security Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252 Viewing Security Configurations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253 Changing Security Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254 Changing the Security Mode for a File System . . . . . . . . . . . . . . . . . . . . . . . 254 Changing the Security Mode for a Virtual Volume . . . . . . . . . . . . . . . . . . . . . 254 Mixed Mode Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255 File Locks in Mixed Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259 Opportunistic Locks (Oplocks) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259 Exclusive and Batch Oplocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260 Level II Oplocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260 User and Group Names in NFSv4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261 Configuring User and Group Mappings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261 Managing NFS User and Group Mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . 261 Importing User or Group Mappings From a File . . . . . . . . . . . . . . . . . . . . . . 267 Importing Users or Groups From an NIS or LDAP Server . . . . . . . . . . . . . . . . 270

Sharing Resources with NFS Clients . . . . . . . . . . . . . . . . . . . . . . . . . 271Enabling NFS Protocol Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 272 Prerequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 272


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Supported Clients and Protocols

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 272

NFS Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 272 Configuring NFS Exports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 272 The NFSv4 Pseudo File System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 272 Kerberos Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 273 Adding an NFS Export . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 274 Viewing the Properties of an NFS Export . . . . . . . . . . . . . . . . . . . . . . . . . . . 279 Backing Up and Restoring NFS Exports . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280

Using CIFS for Windows Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . 282CIFS Protocol Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 282 Prerequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 282 Supported Clients . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 283 Domain Controller Interaction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 283 Dynamic DNS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 283 Configuring CIFS Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 283 Assigning CIFS Names . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 284 Joining an Active Directory (AD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 284 Adding a Server to an NT 4 Domain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 288 Removing CIFS Server Names . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 291 Using NetBIOS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 291 Configuring Local Groups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 292 Adding a Local Group or Local Group Members . . . . . . . . . . . . . . . . . . . . . . 293 Deleting a Local Group or Local Group Members . . . . . . . . . . . . . . . . . . . . . 294 Configuring CIFS Shares . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 296 Adding CIFS Shares . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 296 Viewing and Modifying the Properties of a CIFS Share . . . . . . . . . . . . . . . . . 309 Controlling Access to Shares using Qualifiers . . . . . . . . . . . . . . . . . . . . . . . . 312 Controlling Access to Shares using Permissions . . . . . . . . . . . . . . . . . . . . . . 313 Offline File Access Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 315 Modifying or Deleting a Share . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 316 Backing Up and Restoring CIFS Shares . . . . . . . . . . . . . . . . . . . . . . . . . . . . 316 Using Windows Server Management. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 317 Using the Computer Management Tool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 318 Creating or Managing Shares . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 320 Restoring a Previous Version of a File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 320

Transferring Files with FTP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321FTP Protocol Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321 Prerequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321 FTP Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321 Configuring FTP Preferences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321 To Configure FTP Preferences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321

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Configuring FTP Users . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 322 Setting up an FTP User . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 322 Importing an FTP User . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324 Viewing and Modifying FTP Users . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 325 Setting Up FTP Audit Logging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 326 Configuring FTP Audit Logging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 326

Block-Level Access Through iSCSI . . . . . . . . . . . . . . . . . . . . . . . . . . 328iSCSI Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 328 iSCSI MPIO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 329 iSCSI Access Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 329 Prerequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 329 Supported iSCSI Initiators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330 Offload Engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330 Configuring iSCSI. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330 Configuring iSNS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330 Configuring iSCSI Logical Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 332 Setting up iSCSI Logical Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 332 Managing iSCSI Logical Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 334 Setting Up iSCSI Targets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 339 Viewing the Properties of iSCSI Targets . . . . . . . . . . . . . . . . . . . . . . . . . . . 340 Adding iSCSI Targets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 340 Adding a LU to an iSCSI Target . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 343 Modifying the Properties of an iSCSI Target . . . . . . . . . . . . . . . . . . . . . . . . 344 Deleting iSCSI Targets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 345 Configuring iSCSI Security (Mutual Authentication) . . . . . . . . . . . . . . . . . . . . . . 345 Configuring the Storage Server for Mutual Authentication . . . . . . . . . . . . . . . 345 Configuring the Microsoft iSCSI Initiator for Mutual Authentication . . . . . . . . . 347 Changing the Storage Servers Mutual Authentication Configuration . . . . . . . . 348 Accessing iSCSI Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 349 Using iSNS to Find iSCSI Targets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 350 Using Target Portals to find iSCSI Targets . . . . . . . . . . . . . . . . . . . . . . . . . . 351 Accessing Available iSCSI Targets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 352 Verifying an Active Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 353 Terminating an Active Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 354 Using Computer Manager to Configure iSCSI Storage . . . . . . . . . . . . . . . . . . 355 Accessing Snapshots Initiated by VSS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 356 Removing VSS Initiated Snapshots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 356 VSS Restrictions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 356 Setting up the NAS Server for VSS Snapshots . . . . . . . . . . . . . . . . . . . . . . . . . . 357 Configuring VSS Access to a Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 357 Installing the VSS Hardware Provider . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 358 Specifying NAS Server Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 359


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Data ProtectionCheckpoints and NVRAM Buffering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 363 Buffering in a Cluster Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 364 NVRAM Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 365

Hardware-Based File System Consistency . . . . . . . . . . . . . . . . . . . . . 363

Snapshots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 365Snapshots and the Volume Shadow Copy Service (VSS) . . . . . . . . . . . . . . . . . . . 366 Latest Snapshot. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 366 Quick Snapshot Restore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 367 Accessing Snapshots Through NFS Exports and CIFS Shares . . . . . . . . . . . . . . . . 367

NDMP Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 367Storage Management Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 369

Data Replication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 369Policy Based Replication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 369 Incremental Replication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 370 Incremental Data (File Level) Replication . . . . . . . . . . . . . . . . . . . . . . . . . . 370 Incremental Block-Level Replication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 371 Multiple Stream Replication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 371 Relocating File Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 372 Supported Replication Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 373 TrueCopy and ShadowImage Considerations . . . . . . . . . . . . . . . . . . . . . . . . 373

Transfer of Primary Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 375The Process of Transferring Primary Access. . . . . . . . . . . . . . . . . . . . . . . . . . . . 375 How a Transfer of Primary Access Moves CNS Links . . . . . . . . . . . . . . . . . . . . . . 378

Virus Scanning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 379 Using Snapshots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 380Managing Snapshot Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 380 Creating Snapshot Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 380 Modifying Snapshot Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 383 Deleting Snapshot Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 384 Managing Individual Snapshots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 384 Managing Snapshots Initiated by VSS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 386

Using NDMP Backups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 386Configuring NDMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 386 NDMP Version . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 386

xiv


Enabling and Disabling NDMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 386 Specifying the NDMP User Name, Password, and Version . . . . . . . . . . . . . . . 388 Configuring NDMP Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 389 Displaying NDMP Device Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 394 Using NDMP with Snapshots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 394 Backing Up Snapshots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 394 Incremental Backups and Snapshots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 396 Configuring NDMP Snapshot Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 396 Backing Up Virtual Volumes and Quotas . . . . . . . . . . . . . . . . . . . . . . . . . . . 398 Clearing the Backup History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 399

Using Data Replication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400Configuring Policy-Based Data Replication for Managed and Unmanaged Servers . 401 Connection Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 405 Understanding Snapshot Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 406 Understanding Custom Replication Scripts . . . . . . . . . . . . . . . . . . . . . . . . . . . . 408 Using Replication Rules. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 408 Viewing Replication Rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 409 Adding a Replication Rule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 409 Modifying a Replication Rule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 413 Understanding Files to Exclude Statements . . . . . . . . . . . . . . . . . . . . . . . . . . . . 414 Replication Schedules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 415 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 415 Viewing Scheduled Replications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 416 Adding a Replication Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 417 Modifying a Replication Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 418 Understanding Incremental Replications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 421 Viewing Replication Status & Reports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 422 Enabling Multiple Replication Streams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 424 Setting NDMP Performance Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 425 Troubleshooting Replication Failures. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 427 Manually Restarting a Failed Replication . . . . . . . . . . . . . . . . . . . . . . . . . . . 428 Rolling Back an Incomplete Replication . . . . . . . . . . . . . . . . . . . . . . . . . . . . 428

Transferring Primary Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 429Transferring Primary Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 429 Handling a Failure during a Transfer of Primary Access . . . . . . . . . . . . . . . . . . . 432


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Using Virus Scanning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 432Configuring Virus Scanning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 433 Supported Platforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 433 Notes on Installation and Configuration of a Virus Scanning Application . . . . . 433 Enabling Virus Scanning on the Storage Server . . . . . . . . . . . . . . . . . . . . . . . . 434 Forcing Files to be Rescanned . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 436

8

Scalability and ClusteringClusters and Server Farms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 438 Clusters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 438 Server Farms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 440 Clusters versus Server Farms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 441 Virtual Servers (EVSs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 442 Secure Virtual Servers (Secure EVSs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 442 Cluster Name Space (CNS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 450 CNS Usage Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 451 EVS Name Spaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 452 Read Caching . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 452

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 437

Using Virtual Servers (EVSs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 456EVS Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 456 Creating an EVS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 456 Assign a File System to an EVS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 457 Virtual Server (EVS) Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 459 Viewing Virtual Server (EVS) Details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 460 Migrating Virtual Servers (EVSs) within a Cluster . . . . . . . . . . . . . . . . . . . . . . . . 462 Migrating an EVS within a Cluster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 462 Migrating an EVS within a Server Farm . . . . . . . . . . . . . . . . . . . . . . . . . . . . 464 Cloning Server Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 464 Migrating an EVS Within a Server Farm . . . . . . . . . . . . . . . . . . . . . . . . . . . 465

Using Clusters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 467About Cluster Licensing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 467 Configuring New Clusters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 469 Configuring the First Cluster Node . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 469 Joining an Existing Cluster Using the CLI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 471 Joining an Existing Cluster Using Web Manager . . . . . . . . . . . . . . . . . . . . . . . . . 471 Managing a Cluster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 472

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Configuring the Cluster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 472 Viewing Cluster Node Details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 475 Quorum Device Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 477

Using Cluster Name Space (CNS). . . . . . . . . . . . . . . . . . . . . . . . . . . 479Viewing the Cluster Name Space Tree . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 479 Viewing the EVS Name Space Tree. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 479 Managing Links and Subdirectories in the EVS Name Space . . . . . . . . . . . . . . . . 480 Creating a Cluster Name Space Tree . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 480 Creating a CNS Root Directory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 481 Creating CNS Subdirectories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 481 Creating a File System Link . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 482

Changing Cluster Name Space Properties . . . . . . . . . . . . . . . . . . . . . 484Deleting a Cluster Name Space . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 484 Renaming a CNS Subdirectory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 485 Moving a CNS Directory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 485 Deleting a CNS Directory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 485 Modifying a File System Link . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 486 Deleting a File System Link . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 486

Using Read Caching . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 486Prerequisites for Read Caching . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 486 Configuring Read Caching . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 487 Setting File Caching Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 487 Reviewing Read Cache Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 489 Deleting a Read Cache . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 492 Read Caching Considerations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 492

9

Status and Monitoring

Status & Monitoring Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 493 BlueArc Storage System Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . 494Using the Server Status Console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 494 Checking the System Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 495 Checking the Status of a Server Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 497 Checking the Status of a UPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 502 Checking the Status of the SMU. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 502 Monitoring Multiple Servers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 504


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Using Hitachi Device Manager to Monitor HDS Storage Subsystems . . . . . . . . . . . 505 Managing HDvM Server Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 505

Performance Graphs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 509Controlling the Performance Graph Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . 511 Displaying a Custom Date Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 511 Displaying the Performance Graph Page . . . . . . . . . . . . . . . . . . . . . . . . . . . 514 Displaying the File System Ops/Sec Graph . . . . . . . . . . . . . . . . . . . . . . . . . 527 Displaying the File System Capacity Graph . . . . . . . . . . . . . . . . . . . . . . . . . 528 Displaying the Storage Pool Capacity Graph . . . . . . . . . . . . . . . . . . . . . . . . 530 Downloading Performance Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 531

Storage Server Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 532Ethernet Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 533 Viewing Ethernet Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 533 Viewing Aggregated Ports or Per Port Ethernet Statistics . . . . . . . . . . . . . . . 534 TCP/IP Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 535 Viewing TCP/IP Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 536 Viewing Aggregated Ports or Per Port TCP/IP Statistics . . . . . . . . . . . . . . . . . 537 Viewing TCP/IP Detailed Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 538 Fibre Channel Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 539 Viewing the Fibre Channel Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 540 To View Per Port Fibre Channel Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . 542 File and Block Protocol Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 543 Viewing NFS Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 543 Viewing CIFS Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 546 FTP Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 551 iSCSI Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 553 Data Access and Performance Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 556 Server and File System Load (Ops per second) . . . . . . . . . . . . . . . . . . . . . . 556 Viewing Ops/Sec Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 556 File System NVRAM Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 557 Management Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 558 Access Management Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 558 SNMP Management Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 559 HTTPS Management Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 561 VSS Management Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 563 Virus Scanning Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 564

xviii


Event Logging and Notification . . . . . . . . . . . . . . . . . . . . . . . . . . . . 565Using the Event Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 566 Viewing and Filtering the Event Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 566 Setting up Event Notification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 568 Setting Up an SNMP Agent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 577 Using the Windows Event Viewer to Clear NAS Server Logs. . . . . . . . . . . . . . . . . 583

File System Auditing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 583About File System Audit Logs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 584 Controlling File System Auditing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 585 Creating a File System Audit Policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 585 Enabling Auditing for a File System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 588 Modifying a File System Audit Policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 590 Enabling/Disabling Auditing for a File System . . . . . . . . . . . . . . . . . . . . . . . 591 Deleting a File System Audit Policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 592 Viewing File System Audit Logs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 592

FTP Auditing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 593Managing FTP Audit Logging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 594 Enabling and Disabling FTP Audit Logging for an EVS . . . . . . . . . . . . . . . . . . 594 Configuring FTP Audit Logging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 595 Viewing FTP Audit Logs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 597

Monitoring Fibre Channel Switches . . . . . . . . . . . . . . . . . . . . . . . . . 597Displaying the Connectivity Status of Fibre Channel Switches . . . . . . . . . . . . . . . 598 Using System Monitor to Display Switch Connectivity Status . . . . . . . . . . . . . 598 Using Web Manager to Display Switch Connectivity Status . . . . . . . . . . . . . . 599 Adding FC Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 600 Displaying or Changing Details about an FC Switch . . . . . . . . . . . . . . . . . . . . . . 601


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10 Maintenance TasksSystem Software and Firmware Upgrade . . . . . . . . . . . . . . . . . . . . . 603 Managing License Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 603License Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 607 Adding a License Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 608 Deleting a License Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Checking Version Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 609Displaying Storage Server Version Information . . . . . . . . . . . . . . . . . . . . . . . . . 609 Displaying Version Information for the SMU . . . . . . . . . . . . . . . . . . . . . . . . . . . 610

Providing an SSL Certificate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 611Requesting and Generating Certificates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 611 Generating a Custom Private Key and SSL Certificate. . . . . . . . . . . . . . . . . . . . . 611 Generating a Certificate Signing Request (CSR) . . . . . . . . . . . . . . . . . . . . . . . . 612 Generating a CSR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 612 Acquiring a SSL Certificate from a Certificate Authority (CA) . . . . . . . . . . . . . . . . 613 Installing and Managing Certificates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 613 Installing a Certificate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 613 Restoring the Default SMU Certificate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 614 Accepting Self-Signed Certificates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 615

A

Using Storage Management ApplicationsNDMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 617 DIRECT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 617 EXCLUDE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 618 EXTRACT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 618 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 619 FILESYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 618 FUTURE_FILES HIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 619

Supported Environment Variables . . . . . . . . . . . . . . . . . . . . . . . . . . 617

LEVEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 619 NDMP_BLUEARC_AWAIT_IDLE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 619 NDMP_BLUEARC_EMBEDDED_HARDLINKS . . . . . . . . . . . . . . . . . . . . . . . . . 620 NDMP_BLUEARC_EXCLUDE_MIGRATED . . . . . . . . . . . . . . . . . . . . . . . . . . . 621 NDMP_BLUEARC_EXTERNAL_LINKS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 622

xx


NDMP_BLUEARC_FH_CHARSET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 623 NDMP_BLUEARC_FH_NAMETYPE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 623 NDMP_BLUEARC_INCLUDE_ONLY_MIGRATED . . . . . . . . . . . . . . . . . . . . . . . 624 NDMP_BLUEARC_MULTI_CONNECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 624 NDMP_BLUEARC_OVERWRITE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 624 NDMP_BLUEARC_QUOTAS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 625 NDMP_BLUEARC_READAHEAD_PROCESSES . . . . . . . . . . . . . . . . . . . . . . . . 625 NDMP_BLUEARC_REMIGRATE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 626 NDMP_BLUEARC_SNAPSHOT_DELETE . . . . . . . . . . . . . . . . . . . . . . . . . . . . 626 NDMP_BLUEARC_SPARSE_DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 626 NDMP_BLUEARC_SPARSE_FILE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 627 NDMP_BLUEARC_SPARSE_LIMIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 627 NDMP_BLUEARC_TAKE_SNAPSHOT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 627 NDMP_BLUEARC_USE_CHANGE_LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 628 NDMP_BLUEARC_USE_SNAPSHOT_RULE TYPE . . . . . . . . . . . . . . . . . . . . . . . . . . 628 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 628

UPDATE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 629

Specifying File Names. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 629 Important Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 629


xxi

xxii


Physical and Logical Components

1

Overview of BlueArc NAS Storage SystemsTheMercuryServerandtheTitanServerareenterpriseclassnetworkstorage serversthatprovidehighperformanceread/writeaccesstodatathrough multipleprotocols,suchasCIFS,NFS,iSCSI,andFTP.Thesesystemssupport: Standaloneservers,orclustersofuptoeightnodes Tieredstorage Asinglenamespacewithglobalaccess Virtualizedstoragepools,servers,filesystems,andvolumes Readcaching Globalsymlinks DataprotectionthroughNVRAMmirroring,snapshots,NDMPbased backup,virusscannerintegration,automaticdatamigration,policybased datareplication,datarelocation(withtransferofprimaryaccess),quorum devices User,group,andvirtualvolume(directory)quotas Completetoolsformanagingthesystemandmonitoringsystemstatus, includingWebManager(abrowserbasedgraphicaluserinterface),aJava basedclientforgatheringrealtimestatistics,andacommandline interface. ThestorageservercanalsoacquireFibreChannelinformationandpublish thedetailtotheHitachiDeviceManager(HDvM)Server.Thisintegration allowstheHitachiTieredStorageManager(HTSM)toviewinformation aboutFibreChanneldevicesattachedtoaTitanServerorclusterby searchingforthatinformationontheHitachiDeviceManager. Licensekeysareusedtocontroltheavailabilityofsomesystemfeaturesand functionality.Formoreinformationonlicenses,seeManagingLicenseKeys, onpage603orcontactBlueArcGlobalServices.

Physical and Logical ComponentsTheMercuryServerandtheTitanServerarehighlyscalableandmodular NetworkAttachedStorage(NAS)servers,withmultigigabitthroughput fromnetworktodisk.Theyconsistofthefollowingelements: ASystemManagementUnit(SMU),eitherinternalorexternal,depending onmodelandsystemconfiguration


1

Overview of BlueArc NAS Storage Systems

MercuryServer(s)and/orTitanServer(s) Virtualservers(EVSs) Privatemanagementnetwork Publicdatanetwork Storagesubsystem(s)

System Management Unit (SMU)

TheSMUmanagesthestorageserversand/orclusters,andprovidesfrontend serveradministrationandmonitoringtools.Itsupportsclustering,data migration,andreplication,andmayactastheQuorumDeviceinacluster. Althoughintegraltotheserver,theSMUisnotinthedatamovementpath betweenthenetworkclientandtheserver. TherearetwokindsofSMU;externalandinternal. AnexternalSMUisaseparatedeviceinthestorageserversystem.An externalSMUcanmanageuptoeight(8)storageservers/clustersinany combination.EachexternalSMUcanmanagebothMercuryServers/ ClustersandTitanServers/Clusters. Toprovidehighavailabilityforthemigrationandreplicationservices, whichdependontheSMU,youcanconfigureyoursystemwithastandby SMU.ThestandbySMU,whichisasecondexternalSMU,canbebrought onlinetoreplaceafailedprimarySMU. AninternalSMUisaservicethatrunsontheMercuryServerand providesthesamemanagementandmonitoringfunctionalityasan externalSMU.AninternalSMUcanmanageasinglestandaloneMercury Server(anexternalSMUisrequiredtomanagemorethanasingle MercuryServer). WhenusinganinternalSMU,thereisnowaytoconfigureastandbySMU.

Storage Server

Thestorageserverspatentedarchitectureisstructuredaroundbidirectional datapipelinesandahardwarebasedfilesystem.Itscalesto4petabytesof data,supportinghighersustainedaccessloadswithoutcompromising performance.Itcanbeconfiguredasasingleserverorasaservercluster.All networkclientscommunicatedirectlywiththeserver. TheserverprocessesfileaccessrequestsfromnetworkclientsviaGigabit Ethernet.Itreadsandwritesfrom/tooneormultiplestoragedevices, connectedthroughFibreChannel(FC)links.Thestoragesubsystemcanbe configuredwithasingleserver.Itcanalsobeconfiguredwithmultipleservers clusteredtogether;astheysharethesamestoragedevices,networkrequests canbedistributedacrossclusternodes. Note:WhilethefirstgenerationNASserversupportedclusterswithuptotwo nodes,theTitanServernowsupportsclusterswithuptoeightnodes.Should oneclusternodefail,itsfileservicesandserveradministrationfunctionsare transferredtoothernodes.MercuryServerclustersmayhaveuptoeithertwo orfournodes,dependingonserverseries.Allnodesinaclustermustbeofthe

2



samefamily(TitanServersorMercuryServers),andaclustermaynotbemade upofamixtureofmodelswithinaseries. TheMercuryServerisrackmountableandconsistsofamotherboard,aserver mainboard,threehotswappablefantraysandtwohotswappableredundant powersupplies.Thefrontpaneldisplayssystemstatuswithagreenpower LEDandanamberfaultLED.TheonlyFieldReplaceableUnits(FRUs) accessiblefromthefrontoftheserverchassisarethecoolingfansandthe NVRAMbatterybackuppack.Theunitisservicedfromitsrearpanel,which includesadditionalstatusLEDs,connectors,andpowersupplies.Formore informationabouttheMercuryServerhardware,seetheMercuryServer HardwareReference. TheTitanServerisrackmountableandconsistsofapassivebackplane(not removable),fourmodules,threehotswappablefantraysandtwohot swappableredundantpowersupplies.Thefrontpaneldisplayssystemstatus withagreenpowerLEDandanamberfaultLED.TheonlyFieldReplaceable Units(FRUs)accessiblefromthefrontoftheserverchassisarethecooling fans.Theunitisservicedfromitsrearpanel,whichincludesadditionalstatus LEDs,connectors,andFRUs,suchasthepowersuppliesandservermodules. Formoreinformationabouttheserverhardware,seetheTitanServer HardwareReference.

Virtual Servers (EVSs)AllfileservicesareprovidedbyvirtualserverentitiesreferredtoasEVSs. EachEVSisassigneduniquenetworksettingsandstorageresources,enabling administratorstheflexibilitytologicallypartitionaccesstosharedstorage resources.Inserverclusters,EVSsareautomaticallymigratedbetweenservers whenfaultsoccurtoensuremaximumavailability.Whenmultipleserversor clustersareconfiguredwithcommonstorageaccess,theyarereferredtoas ServerFarms.EVSscanbemanuallymigratedbetweenserversinaServer Farmbasedonperformanceandavailabilityrequirements.

Private Management NetworkTheprivatemanagementnetworkconnectstheSMUanddevicessuchas FibreChannel(FC)switches,storagesubsystems(RAIDarrays)fromsome manufacturers,anduninterruptiblepowersupply(UPS)units. Theprivatemanagementnetworkisisolatedfromthepublicdatanetworkby theSMU.Theprivatemanagementnetworkconnectstheprivatemanagement interfaceoftheSMU,theEthernetmanagementinterfaceontheserver,andall oftheEthernetmanageddevicesthatmakeupthestoragesystem. Devicesontheprivatemanagementnetworkareonlyaccessiblefromthe publicdatanetworkthroughtheSMU,whichusesNetworkAddress Translation(NAT)toconvertthepublicIPaddressofadeviceintothedevices addressontheprivatemanagementnetwork. AnexternalSMUhastwo10/100/1000MbpsEthernetinterfaces.Theeth0 interfaceconnectstothepublicdatanetwork,andeth1connectstotheprivate managementnetwork.System Administration Guide3


Thefollowingillustrationshowstheprivatemanagementnetwork connectionswithanexternalSMU.

AninternalSMUusestwo10/100/1000MbpsEthernetportsonthestorage servermotherboardasmanagementinterfaces.Liketheportsonanexternal SMU,eth0connectstothepublicdatanetworkandeth1connectstotheprivate managementnetwork. Thefollowingillustrationshowstheprivatemanagementnetwork connectionswithaninternalSMU.

ThediagrambelowshowshowNATisolatestheprivatemanagement network.TheexampleshowsadevicewiththeIPaddress192.0.2.13:80 accessiblethroughHTTP,andaseconddevicewithIPaddress192.0.2.14:443 accessiblethroughHTTPS.ThesedevicesappearonthePublicDatanetwork4 Mercury Server and Titan Server


as10.1.1.13:28013and10.1.1.13:28014(where10.1.1.13istheSMUsIPaddress onthepublicdatanetwork).

Public Data Network

Fromthestorageserverperspective,thepublicdatanetworkconsistsofthe aggregationsofEthernetportsconnectedtothenetworktowhichclientsare connected.Thepublicdatanetworkprovidesaccessforgettingdataintoand outoftheNASstoragesystem,andbothclientrequestsandserverresponses gothroughthepublicnetwork.Inaddition,theNASservermaybe configuredtoallowmanagementaccessthroughthepublicdatanetwork. FromtheSMUperspective,thepublicnetworkisusedtocommunicatewith administrators,anditmayalsobeusedtocommunicatewiththestorage subsystems.

Storage Subsystem

Thestoragesubsystemcontainsthedevicesthatstorethedatamanagedby thestorageserver.Theserversupportstieredstorage,whichsimultaneously connectsmultiplediversestoragesubsystemsbehindasingleserverunit(or cluster).Usetieredstoragetocustomizetheservertomatchthestorage requirementsofyourapplications,andyoursystemrequirementsfor performanceandscaling. ThestoragesubsystemismadeupofRAIDcontrollers,storagedevicesand theFibreChannel(FC)infrastructure(suchasFCswitchesandcables)usedto connectthesedevicestoasingleserverorcluster.


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TheBlueArcMercuryServerandtheTitanServersupporttiersofstorageas wellasstoragevirtualizationthroughHitachiUniversalStoragePlatform USPVandUSPVMtechnology. TiersofstorageandstoragevirtualizationarefullysupportedbyData Migrator,anoptionalfeaturewhichallowsyoutooptimizetheusageoftiered storagebyautomaticallymigratingdataamongstoragesubsystemsof primaryandsecondarystorage.Basedonuserdefinedpolicies,DataMigrator monitorsfilemetadatasuchassize,type,durationofinactivity,accesshistory, andsoon.Whenthecriteriaofapolicyaremet,DataMigratormigratesfiles accordingrulesspecifiedinthepolicyasbackgroundtaskswithminimal impactonserverperformance.Fromtheperspectiveoftheclientworkstation, primaryversussecondaryfilelocationistransparent.NotethatDataMigrator doesnotsupportmigratingdatatoorfromtapelibrarysystems. TheMercuryServerandtheTitanServersupporttieredfilesystemsand tieredstoragepools.Eachtierinthefilesystem/storagepoolismadeupof deviceswithdifferentperformancecharacteristicsortechnologies.Whenused withHitachiDataSystemsstoragesubsystems,thestorageserversalso supportstoragevirtualizationthroughTagmaStoreUniversalStorage PlatformandTagmaStoreNetworkStorageControllertechnology.

Default User Name and Password

Thefollowingtableprovidesalldefaultsystemlogins:

SystemComponent SMUWebManager SMUCLI SMU Enteringthisspecificusernameandpassword willprovideunlimitedaccessontheSMU.

Username admin manager root

Password

nasadmin nasadmin nasadmin

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Managing a Server/Cluster

SystemComponent Storageserver(CLI)

Username supervisor

Password

supervisor

Managing a Server/ClusterServer/clustermanagementisperformedthroughWebManager(abrowser basedgraphicaluserinterface)orthroughcommandsissuedusinga commandlineinterface(CLI).Mostmanagementfunctionscanbe accomplishedthroughWebManager,butsomeoperationsrequireusingthe CLI.Thefollowingsectionsdescribethesemanagementinterfacesindetail.

Using Web Manager

TheWebManageradministrationtoolprovidesabrowserbasedinterfacefor managingstandaloneorclusteredserver(s)andtheirattachedstorage subsystem(s).Thistoolallowsyoutoperformmostadministrativetasks,from anyclientonthenetworkusingasuitableWebbrowser(MicrosoftInternet Explorer6.0orlater,orFirefox1.5orlater). Note:WhenaccessingtheSMUthroughWebManager,somebrowsersmay failwithanerrormessageofSecureConnectionFailedduetoaninvalid securitycertificate.Thissituationmayoccurthefirsttimeyouaccessanew SMU,orwhentheSMUsIPaddressorhostnamehavebeenchanged.Ifyou receivethiserrormessage,youmustaddtheSMUssecuritycertificate.Refer tothebrowsershelptofindinformationonhowtoaddacertificate,andmake suretopermanentlystoretheexception. AsanalternativetotheWebManager,youcanusetheCommandLine Interface(CLI).Formoreinformation,seeUsingtheCommandLineInterface, onpage11.TheCLIisdocumentedintheCommandLineReference,whichis availablethroughalinkontheWebManagerDocumentationpage.

Server Status ConsoleTheHomepageintheWebManagersconsoledisplayssummarystatus informationpertainingtothecurrentlymanagedserver:


7


InterpretthecolorcodedStatusindicatorasfollows: Green.Operatingnormally(servernotshowinganalertcondition). Amber.Warningcondition(serveroperatingnormally,butactionshould betakentomaintainnormaloperation). Red.Criticalcondition(servernolongerfunctioningorfailinginaway thatpresentsadangertothesystem).

Accessing Web Manager Pages (Navigation)TheWebManagerusesatwolevelpagestructure,includinglinkstospecific functionsandcategoriesthatwrapthosefunctions.Clickingonalinkstartsits targetfunction,whileclickingonacategoryloadsapage. ThetoplevelpageistheWebManagerHomepage:

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Thispagegroupsfunctionsassociatedwiththecurrentlymanagedserverunder pagecategories,including: Status&Monitoring:SystemMonitor,EventLog,EmailAlertsSetup, SNMP,ManagementAccessStatistics,etc. ServerSettings:EVSManagement,ServerSetupWizard,Cluster Configuration,etc. StorageManagement:FileSystems,SystemDrives,StoragePools,Virtual Volumes,Quotas,DataMigration,etc. DataProtection:VirusScanning,Replication,Snapshots,NDMPbackup, etc. FileServices:CNS,NFSExports,CIFSShares,iSCSI,FTP,UserMapping, GroupMapping,etc. NetworkConfiguration:IPAddresses,NameServices,NIS/LDAP Configuration,IPRoutes,LinkAggregation,etc.

Additionalcategories(notassociatedwiththecurrentlymanagedserver): SMUAdministration:ManagestheSMUitself(forexample,currently managedserverselection,security,privatemanagementnetwork). Documentation:Linkstodocumentation,includingtheonlinehelp,this manual,andthefollowingdocuments: TitanServerCommandLineReference


9


MercuryServerCommandLineReference TitanServerHardwareReference MercuryServerHardwareReference StorageSubsystemGuide

Note:BoththeTitanServerCommandLineReferenceandtheMercuryServer CommandLineReferenceareavailablethroughtheDocumentationpageof WebManager,regardlessofwhichplatformyouareusing.Allcommands commontobothplatformsaredocumentedinbothCommandLine References,butplatformspecificcommandsaredocumentedonlyinthe CommandLineReferenceforthatplatform.

Web Manager TablesSomeofthepagesintheWebManagerinterfaceincludetables:

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Using the Command Line Interface

ThestorageserverandtheSystemManagementUnit(SMU)eachcomewitha commandlineinterface(CLI)forconfigurationandmanagement.Both supportsecureconnections,configurablepasswords,andothersecurity mechanisms. Note:FormoreinformationontheCommandLineInterface(CLI),refertothe CommandLineReference,whichcanbeaccessedthroughtheDocumentation pageofWebManager(seeUsingWebManager,onpage7formore information).

SMU Command Line InterfaceSerialconsoleconnection TheSMUshipswithoutapreconfigurednetworksetup.Toperformthe initialsetup,accesstheSMUthroughadirectserialconnection.Onceits networkconfigurationhasbeencompleted,accesstheSMUsCLIdirectly throughSSHorthroughaJavaenabledSSHsessionrunningunderWeb Manager. Toconnectusingaserialconsole 1. Connectserialcable. AttachanRS232nullmodemcable(DB9FemaletoDB9Female)tothe serialportontheSMUbackpanel.Attachtheotherendoftheserialcable toaterminal(e.g.laptop). 2. Configureterminalemulation. Settheterminalemulationprogram(suchasWindowsHyperTerminal)to thefollowingsettings:115,200b/s,8bits/byte,1stopbit,Noparity. 3. LogintotheSMU. Loginastheusermanager.Whenprompted,enterthepasswordforthe usermanager. 4. Onceconnected,launchthestorageserverCLIorselectSMUshell. FromtheSMUcommandline,accesstheserverCLIusingoneofthe methodsinthedisplayedmenu,orenterqtoaccesstheSMUshell. SSHConnection TheSMUcanbeaccessedusinganySSHclient.Notethattheclientshouldbe configuredtosupporttheUTF8(Unicode)characterencoding. ForWindowsandotherswithoutanSSHclient,accesstheSMUviaSSHTerm. SSHTermisaJavaSSHclient(applet)developedby3SPanddistributedunder theGeneralPublicLicense(GPL).SSHTermprovidesaconvenient,cross platformalternativetootherSSHclients. ToconnectusingSSHTerm: 1. VerifyJavaversionandstatus.


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SSHTermrequiresJava1.4.xorgreater.Gotohttp://www.java.comto verifythatyourbrowserhasthelatestversionoftheJavaPlugininstalled andenabled. 2. NavigatetoSSHTerm. FromtheHomepage,clickSMUAdministration;thenselectSSHTerm. 3. LaunchSSHTerm. ClickLaunchSSHTerm.WhentheSSHclientappletwindowpopsup, acceptthecertificateregisteredto3SPLTD,andclickAlwaysorYeswhen askedtoallowthehost. SSHTermautomaticallyconnectstotheSMUasusermanager. 4. Whenprompted,enterthepasswordfortheusermanager. 5. Repeatasdesired. MultipleSSHTermwindowsmaybeusedatonce.JustclickLaunch SSHTermforeachnewSSHsession. 6. Whenfinished,terminatethesession. WhentheSSHsessionhasfinished,justclosethewindow.

Server Command Line InterfaceThestorageservershipswithacomprehensivecommandlineinterface(CLI), documentedseparatelyintheTitanServerCommandLineReferenceandthe MercuryServerCommandLineReference. Youcanaccesstheserver/clusterCLIthroughtheServerControl(SSC)utility, availableforWindowsandLinux. YoucanaccesstheCLIinthefollowingways: SecureShell(SSH)connectionintotheserverthroughtheSMU. SSHorTelnetconnectiondirectlyintotheserver. ServerControl(SSC)utility,availableforWindowsandLinux. PerlServerControl(PSSC)utility,availableforalloperatingsystemswith PERLsupport.

Note:ToaccessthestorageserverCLIdirectly,usingSSH,Telnet,SSC,orPSSC throughthepublicnetwork,aserveradministrationIPaddressmaybe assignedtoatleastoneoftheGigabitEthernetinterfaces.Theserversupports accesstoitsCLIthroughanyadministrativeIPaddress;bydefault,an administrativeIPaddressisavailableontheprivatemanagementnetwork. Note:WhenusingtheserversCLI,theconsoledeviceshouldbeconfiguredto useUTF8(Unicode)encoding.WhenusingtheCLIthroughSSH,Telnet,SSC, orPSSC,theserversendsandexpectstoreceivedatausingUTF8encoding,so thedevicesendingdatatoorreceivingdatafromtheservershouldbe configuredtouseUTF8encoding.

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SSHviatheSMU TheSMUsupportsSSH.AfterloggingintotheSMU,theSMUcanredirect connectionsdirectlytotheserversCLI.Thiscanbeusefulfortworeasons: 1. IteliminatestheneedtoassignaserveradministrationIPaddresstothe Gigabitinterfaceoftheserver. 2. Itenhancesthesecurityoftheserverbyisolatingadministrativeaccessto theprivatemanagementnetwork. ToSSHintotheserver,usingtheSMUasaproxy: 1. ConnecttotheSMUthroughSSH. 2. LogintotheSMUasmanager. Alistofserverswillappear.Selectthetargetserver.TheSMU automaticallyinitiatesaconnectiontotheserversCLI. Whenprompted,entertheusernamesupervisorandthepasswordfor thesupervisoruseraccount. SSHorTelnet WhenconnectingtoaTitanServer/clusterthroughSSHorTelnetthroughthe administrativeservicesEVSIPaddress,loginusingtheusername supervisor.MercuryServers/clustersdonotsupportSSHorTelnet connections.Notethattheadministratormusthaveconfiguredtheserverto acceptSSHorTelnetconnections,andtheSSH/Telnetclientshouldbe configuredtosupportUTF8(Unicode)characterencoding. ToSSHintotheserver: 1. ConnecttotheserversadministrativeservicesDNSnameorIPaddress:ssh supervisor@server_name_or_IP

2. Whenprompted,enterthesupervisoruserspassword. ToTelnetintotheserver: 1. ConnecttotheserversadministrativenameorIPaddress:telnet server_name_or_IP

2. Whenprompted,enterthesupervisoruserspassword. SSC/PSSC TheservercanconnecttotheSMUfromWindowsPCsandfromLinux/Unix workstationsviaSSC,whichprovidesasecureconnectionusingamodified versionoftheArcfourcipherforencryptionandSha1forauthentication. Itcomesintwovarieties:


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SSCforWindowsandLinux. PSSC,aPerlscriptedversionofSSCforLinux/Unixoperatingsystems.

UsetheSSCscriptingutilitytoaccesstheserversCLI.Theserversupports SSCaccesstoitsCLIthroughanyadministrativeIPaddress.Bydefault,the privatemanagementnetworkhasanadministrativeIPaddressavailable. ThesyntaxforSSC:ssc [-u ] [-p ] [:] []

ThesyntaxforPSSC:pssc [-u ] [-p ] [-t ] [-e ] [:] []

Thefollowingtabledefinesthevariables:

Syntax Username Password Timeout EVS

Description Useraccount(typicallysupervisor). Password.Ifnonespecified,SSC/PSSCwillpromptforone. Atimeout(inseconds)forasingleusecommand. SpecifiesaparticularEVS(byitsnumericalEVSid)asthe targetforasingleusecommand. TheserversadministrationIPaddressorhostname. IftheSSC/PSSCportnumberhasbeenchangedfromits defaultof206,theportnumberconfiguredforSSCmustbe specifiedinthecommandsyntax. Commandtoexecute.Ifnocommandisspecified,SSC/ PSSCallowsinteractivecommandentry.

Host Port

Command

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2

Quick System ConfigurationSysteminstallationandinitializationtasksareusuallyperformedbyBlueArc TechnicalAssistanceCenter(TAC).Followingsysteminitialization,basic configurationisrequiredtoreadythesystemforuse.Oncethesystemis operational,optionalconfigurationchangescanbemadeatanytime,either byfieldservicepersonnelorbysystemadministrators. Thissectionexplainshowtousewizardstocompletethebasicconfiguration oftheSMUandtheserver.SeeOptionalConfigurationSteps,onpage23for informationaboutoptionalconfigurationtasksandprocedures.

Using the SMU Setup WizardForanexternalSMU,basicSMUconfigurationisusuallyperformedasapart ofsysteminitialization.TheSMUsetupwizardisusedtocompletethebasic configurationofanSMU.UsingtheSMUSetupWizard,youcanchange accesspermissionstotheSMU,setupnameservicesfornetworkoperation, andconfigurethedateandtime. TousetheSMUsetupwizard: 1. NavigatetotheSMUSetupWizardpage. FromtheSMUAdministrationpage,displaythewizardbyclickingSMU SetupWizard:

Asthewizardprogresses,enterrequestedinformationaccordingtothe followingguidelines:


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Item/Field Passwords

Description ThispageallowsyoutospecifythedefaultpasswordfortheSMUwhentheadmin useraccessestheSMUusingHTTP(WebManager).Bydefault,thepasswordis nasadmin.Youshouldchangethedefaultpasswordassoonaspossible. ThispageallowsyoutosetIPaddressesoftheDNSserversandthedomainsearch orderthatwillbeappliedtotheSMU. Thispageallowsyoutospecifythehostname(nottheIPaddress)oftheemail servertowhichtheSMUcansendandrelayeventnotificationemails. ThispageallowsyoutosettheclockontheSMUandselectoneormoreNTP servers. ThispageallowsyoutoconfiguretheIPaddressoftheSMUseth1interfaceonthe privatemanagementnetwork.

DNSServerSetup

SMTPRelay

Date&Time

Privatemanagement network

2. Saveyourchanges. Uponcompletion,thewizarddisplaysapagesummarizingparameters entered.Toaccept,clickfinish.ThenclickOKtoreboot.

Selecting SMU-Managed ServersTheSMUmanagesmultiplestorageservers/clustersandtheirassociated storagesubsystems.UsetheManagedServerspagetoaddinformationabout eachserver;specifically,theIPAddressandusername/passwordoftheserver tobemanaged.Onlyoneserver,thecurrentlymanagedserver,maybemanaged atonetime.FromtheManagedServerslist,anyservercanbeselectedasthe currentlymanagedserver. TodisplaytheserversmanagedbytheSMU: 1. NavigatetoManagedServers. FromtheSMUAdministrationpage,displaytheconfigurationpageby clickingManagedServers:

16


Selecting SMU-Managed Servers

InterpretthecolorcodedStatusindicatorasfollows: Green.Operatingnormally(servernotshowinganalertcondition). Amber.Warningcondition(serveroperatingnormally,butaction shouldbetakentomaintainnormaloperation). Red.Criticalcondition(servernolongerfunctioning).

2. Selectanaction. ThefollowingActionsareavailable: ClickSetasCurrentforanyservertomakeitthecurrentlymanaged server.(Alternatively,youcanusethedropdownboxintheServer StatusconsoleontheHomepage.) ClickaddtoaddanewservertotheManagedServerslist,thenrefer tothenextstepinthisprocedure. ClickremovetoremovetheselectedserversfromtheManaged Serverslist.Makeaselectionbyfillingaserverscheckbox,orclick checkalltoremoveallserversfromtheManagedServerslist.

3. Addaserver(optional). Inthepreviousstep,youclickedadd.WhentheAddServerpage displays,


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completethefields,thenclickOK. WhentheSMUaddsamanagedserver,thefollowingactionsoccur: Iftheserverismanagedthroughtheprivatemanagementnetwork,the SMUseth1IPaddressisaddedtotheserverslistofNTPservers. Iftheserverismanagedthroughtheprivatemanagementnetwork,the SMUseth1IPaddressisconfiguredastheserversPrimarySMTP server.Iftheserverwasalreadyconfiguredtouseamailserver,this serverwillautomaticallybecometheBackupSMTPserver. AusernameandpasswordarepreservedontheSMUsothat,when usingWebManager,youcanselectthisserverasthecurrentmanaged serverwithoutcausingtheservertopromptforadditional authentication.

Using the Server Setup WizardDuringtheinitialsetupoftheserverperformedusingtheSMUSetupWizard (seeUsingtheSMUSetupWizard,onpage15)anumberofconfiguration settings,suchassystemnameanddate/timewerespecified.Youcanchange thesesettingsusingtheproceduresinthefollowingsections.Licensekeysalso mustbeinstalledtoenabletheprotocolsandservicespurchasedwiththe servers(seeManagingLicenseKeys,onpage603). Thiswizardcreatesabasicserverconfiguration,usinguserdefinedvalues.At theendoftheServerSetupWizard,aconfirmationdialogappears,allowing reviewofsettings. Note:AnIPaddressmustbeassignedtotheserverbeforethesetupwizardcan beused.Inaddition,theservermustbeconfiguredasaManagedServer.For moreinformation,seeUsingtheSMUSetupWizard,onpage15andSelecting SMUManagedServers,onpage16. 1. NavigatetotheServerSetupWizardpage. FromtheServerSettingspage,clickServerSetuptodisplaytheClone ServerSettingsWizardpage.Thispageallowsyoutocopycertain

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Using the Server Setup Wizard

informationfromtheSMUoranothermanagedserver,soyoudonthave torepeatedlyenterthesameconfigurationinformation:

2. Selectasourceforcloningconfigurationsettings: Ifthisisthefirstservertobeconfigured,thewizardcanclonesomesettings fromtheSMUtothenewserver.Notethatthesettingsthatcanbecloned fromanSMUareasubsetofthesettingsthatcanbeclonedfromanother server.ToclonesettingsfromtheSMU,selectSMUfromthedropdown menu,thenclicknexttodisplaytheCloneServerSettingspage. IftheSMUisalreadymanaginganotherserver,anexpandedlistofsettings canbeclonedfromanotherserver.Toclonesettingsfromanotherserver selectoneofthemanagedserversfromthedropdownmenu,thenclick nexttodisplaytheCloneServerSettingspage,whichallowsyoutoclone moresettingsthanareavailablefromtheSMU. 3. Selectconfigurationitemstoclone. IntheCloneServerSettingspage,fillorclearthecheckboxnexttoeachof theconfigurationitemsyouwanttoclone,thenclicknext.Clonedsettings areimmediatelyappliedtotheserver.


19


Tip:Emptythecheckboxesofthoseitemsyoudonotwanttoclone.

20


Using the Server Setup Wizard

4. Completethewizard. Refertothefollowingtablefordescriptionsoffieldsencounteredinthe wizard:

Page Password ServerIdentification

Description Apasswordforthesupervisoraccountontheserver. SystemnameandotheridentifyinginformationforusebySNMPandSMTP(email) andotherprotocols. Configuretheserverforoneormorenameservices,suchasDNS,WINS,andNIS. Caution:BeforeconfiguringanSMTPprofile,notethatthewizard recommendsadefaultprofile,whichalertsBlueArcTechnicalAssistance Center(TAC).BlueArcstronglyrecommendscreatingthisprofile,sothat BlueArccanrespondquicklyshouldafailureoccur.Additionalemailprofilesfor administrativenotificationoffailurescanbesetuponcetheWizardiscomplete. ThispageconfiguresprimaryandsecondarySMTPserverstobeusedforsending EmailAlerts.

NameServices SMTP

Date&Time

Settheserversclock.SynchronizewithoneormoreNTPservers.TheSMUusually synchronizesitsclockwithanNTPserveronthepublicdatanetwork,anditactsas anNTPserverfordevicesontheprivatemanagementnetwork.Sinceaserver typicallyresidesontheprivatemanagementnetwork,addtheSMUtotheservers listofNTPservers.

5. Rebootorshutdowntheserver. Onceyouhavecompletedthewizard,