STORAGE MANAGEMENT Introduction to Information Storage and Management - 1.

STORAGE MANAGEMENT

Introduction to Information Storage and Management - 1

LECTURE 1


Intorduction to information storage technology: Review data creation and the amount of data being created and understand the value of data to a business

Upon completion of this lecture, you will be able to:

Describe the importance of information to individuals and to businesses

Define data and information Discuss the categories of data Describe the storage architectures and their

evolution


“Digital universe – The Information Explosion”◦ 21st Century is information era ◦ Information is being created at ever increasing rate◦ Information has become critical for success

We live in an on-command, on-demand world◦ Example: Social networking sites, e-mails, video and

photo sharing website, online shopping, search engines etc

Information management is a big challenge◦ Organization seek to Store Protect Optimize

Leverage the information optimally


Most data is being converted into a digital format◦ Driven by user demand◦ Facilitated by

Increase in data processing capabilities New and cheaper peripherals

Lower cost and increased speed of storage

Affordable and faster networks

Who creates data?◦ Individuals◦ Businesses


“Collection of raw facts from which conclusions may be drawn”

010101010101010101101000010101011

01010101010

10101010101

01010101010

Video

Photo

Book

Letter Digital Data

Data can be categorized as either structured or unstructured data◦ Structured:

Data Bases Spread Sheets

◦ Unstructured Forms Images Audio Movies

Over 80% of enterprise Information is unstructured


Rows and Columns

Contracts

Images

Manuals

X-Rays

Instant Messages

Forms

E-Mail Attachments

Check

Documents

PDFs

Web Pages

Audio Video

Invoices

Rich Media

Structured (20%)

Unstructured (80%)

What do individuals/businesses do with the data they collect?◦ They turn it into “information”◦ “Information is the intelligence

and knowledge derived from data”

Businesses analyze raw data in order to identify meaningful trends◦ For example:

Buying habits and patterns of customers

Health history of patients Virtuous cycle of information

◦ Information begets information



Users of

Information

Centralized information

storage and processing

Uploading

information

Accessing information

Wired Wireless WiredWireless

Network Network

Demand for more

Information

Creators of

information

Virtuous cycle of information

Creating a competitive advantage◦ Identifying new business opportunities

Buying/spending patterns Internet stores, retail stores, supermarkets

Customer satisfaction/service Tracking shipments, and deliveries

◦ Identifying patterns that lead to changes in existing business Reduced cost

Just-in-time inventory, eliminating over-stocking of products, optimizing shipment and delivery

New services Security alerts for “stolen” credit card purchases

Targeted marketing campaigns Communicate to bank customers with high account balances about a special

savings plan

Introduction to Information Storage and Management

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Data created by individuals/businesses must be stored for further processing

Type of storage used is based on the type of data and the rate at which it is created and used

Examples:◦ Individuals: Digital camera, Cell phone, DVD’s, Hard disk◦ Businesses: Hard disk, external disk arrays, tape library

Storage model: An evolution◦ Centralized: mainframe computers◦ Decentralized: Client – server model (Data spread across

many servers)◦ Centralized: Storage Networking (Hugh respositories)


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IP SAN

Multi Protocol

Router

SAN / NAS

FC SANLAN

RAID Array

JBOD

Internal DAS

Time

Key points covered in this lesson: Importance of information Data, information and storage Categories of data Storage architectures and their evolution


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Challenges in Data Storage and Management


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Upon completion of this lecture, you will be able to:

List the five core elements of a data center infrastructure

Describe the requirements of storage systems for optimally supporting business activities

Explain the importance of Information Lifecycle Management

List the activities in developing the ILM strategy


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Applications Databases – Database Management System

(DBMS) and the physical and logical storage of data

Servers/Operating systems Networks (LAN and SAN) Storage arrays

Data Center Infrastructure - 16

Consider an order processing system consisting of: Application for order entry Database Management System (DBMS) to store customer and product

information Server/Operating System (OS) on which the application and database

programs are run Networks that provide

◦ Connectivity between Clients and the Application/Database Server (LAN)◦ Connectivity between the Server and the Storage system (SAN)

Storage Array – database is stored on physical disks in the storage array


Local AreaNetwork

Storage Area Network

Storage Array

Client

Server

Application User

InterfaceOS and DBMS

Database

A customer order is entered via the Application User Interface on a client


Local AreaNetwork


Client

Server

Application User

Interface

Storage Array

OS and DBMS

Database

A customer order is entered via the Application User Interface on a client

The client accesses the server over a Local Area Network



Client

ServerStorage Array

Local AreaNetwork

OS and DBMS

Database

A DBMS uses the operating system on the server to read and write this data to the physical location on a disk



Client

Server

O/S and DBMS

Storage Array

Local AreaNetwork

Database

A DBMS uses the operating system on the server to read and write this data to the physical location on disk

A dedicated Storage Area Network provides the communication link between the server and the storage array, and transports the read/write commands and data between the server and the storage array



Client

ServerStorage Array

Local AreaNetwork

O/S and DBMS

Database

A DBMS uses the operating system on the server to read and write this data to the physical location on disk

A Network provides the communication link between the client and the server, and transports the read/write commands and data between the server and the storage array

A storage array receives the read/write commands and data from the server and performs the necessary operations to store the data on the physical disks



Client

ServerStorage Array

Local AreaNetwork

Database

The application should be optimized for fast interaction with the DBMS

The tables in the database should be constructed with care so the number of read/write operations can be minimized

The server should have sufficient CPU and memory resources to satisfy application and DBMS needs

The different networks should provide fast communication between client and server, as well as server and storage array

The storage array should service the read/write requests from the server for optimal performance


When the DBMS receives a request from the application:

It first searches the server memory; if data is found there, the operation takes about a millisecond

If not, it uses the operating system to request the data from the storage array

Dedicated high speed networks transport this request to the storage array

Intelligent storage arrays can deliver the requested data within a few milliseconds, and are typically configured to protect data in the event of drive failures



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AvailabilityAvailability

Data IntegrityData Integrity SecuritySecurity

CapacityCapacity

ScalabilityScalability

PerformancePerformance

ManageabilityManageability

Exploding digital universe◦ Multifold increase of information growth

Increasing dependency on information◦ The strategic use of information plays

Changing value of information◦ Information that is valuable today may become

less important tomorrow.


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Constraints include: Cost Physical environment Maintenance and support Compliance – regulatory and legal Hardware and software infrastructure Interoperability and compatibility


Data Center management activities include: Provisioning/Capacity/Resource Planning Monitoring Reporting


Data Storage Infrastructure Information Lifecycle


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Create Access Migrate Archive Dispose

New order

Value

Process order

Deliver order

Warranty claim

Fulfilled order

Ageddata

WarrantyVoided

Protect

Time

A proactive strategy that enables an IT organization

to effectively manage the data throughout its lifecycle


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Policy-based Alignment of Storage Infrastructure with Data Value

AUTOMATED

FLEXIBLE

Classifydata /

applications based on

business rules

Implement policies with information

management tools

Integrated management

of storage environment

Organizestorage

resources toalign with data

classes

Improved utilization◦ Tiered storage platforms

Simplified management ◦ Processes, tools and automation

Simplified backup and recovery◦ A wider range of options to balance the need for business

continuity Maintaining compliance

◦ Knowledge of what data needs to be protected for what length of time

Lower Total Cost of Ownership ◦ By aligning the infrastructure and management costs with

information value


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Key points covered in this lesson: The five core elements of a Data Center

infrastructure Key requirements of storage systems to

support business activities, as well as some of the constraints

ILM strategy◦ Importance◦ Characteristics◦ Activities in developing ILM strategy◦ IML implementation◦ Benefits of ILM


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Key points covered in this Chapter: Importance of data, information, and

storage infrastructure Types of data, its value, and key

management requirements of a storage system

Evolution of storage architectures Core elements of a data center Importance of the ILM strategy


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STORAGE MANAGEMENT Introduction to Information Storage and Management - 1.

Documents

information era information

information management

information introduction

information explosion

enterprise information

rate information

importance of information

information storage