7900 HPC Briefings V5

8/3/2019 7900 HPC Briefings V5

1/14

Engenio 7900 HPC

Storage System


2/14

2LSI Confidential

LSI In HPC

LSI (Engenio Storage Group) has a rich, successful history ofdeploying storage solutions for the HPC market

Over 50 petabytes of LSI storage currently installed in HPC sites

LSI is focused on the HPC market as a strategic opportunity

These customers have the most demanding technology requirements and

are often a leading indicator for technologies that will soon move into themainstream

Examples include Linux clusters, Global File Systems, and InfiniBand

Making our technology available first to HPC customers benefits our

General Purpose Computing, or GPC, products and customers

ESG recently established a cross-functional team focused on the

HPC market designed to ensure that we maintain our HPC leadership


3/14

3LSI Confidential

Robust storage management supports unparalleled

configuration flexibility and online administration

Scalability up to 480 TB satisfies the

most demanding capacity requirements

Bullet-proof reliability and availability toensure continuous high-speed data delivery

Flagship storage system designed

for compute-intensive applications

Engenio 7900 HPC Storage System


4/14

4LSI Confidential

The 7900 HPC storage system

is uniquely positioned to deliver

HPC-class performance

with uncompromising uptime

to ensure continuous

high-speed data access

Engenio 7900 HPC Storage System


5/14

5LSI Confidential

HPC Performance

Industry-leading 6.4 GB/s on

sustained reads from disk

Lineage of balanced performance

excels at mixed workloads

Field-replaceable host interface

cards adapt to changing

infrastructure 4 Gb/s FC

20 Gb/s IB 8 Gb/s FC (future)

40 Gb/s IB (future)

Reliability and Availability

Proven architecture based on over

30 years of design knowledge and

firmware development

Almost 400K systems shipped

Uninterrupted data uptime

Five 9s availability

No single point of failure

Fully-redundant data path

with automated failover

Battery-backed controllercache mirroring

Proactive drive health monitoring

Hardware-assist RAID 6

Read parity check

Performance + Uptime = Computational Efficiency


6/14

6LSI Confidential

Computational analysis

Upstream/downstream processing

Genomics

Satellite ground stations

Data-intensive research

3-D computer modeling

Seismic processing

Data mining

Large-scale simulation

7900 HPC Positioning

Ideal for environments that

store vast amounts of data for

high-bandwidth programs


7/14

7LSI Confidential

Government labs

Biosciences Scientific research & development

Energy, weather, climate

Oil and Gas

Media and entertainment

Geospatial companies

7900 HPC Positioning

Ideally suited to markets with

high volumes of data processing

and computing demands


8/14

8LSI Confidential

Key Features

7th-generation XBB2 architecture delivers unprecedented performance,multi-dimensional scalability and unparalleled flexibility

Balanced performance supports mixed workloads for applications

ranging from transaction-heavy to bandwidth-intensive

Fully redundant I/O paths, automated failover, battery-backed mirroredcache, and online administration keep your data accessible

Field-replaceable host interface cards adapt to changing infrastructures

Support for SATA drives and RAID level 6 allows administrators lower

costs without sacrificing data protection

Proven architecture benefits from more than 30 years of design

knowledge and firmware development


9/14

9LSI Confidential

Specification Overview

Key new features

7th generation XBB2 controller technology

Custom ASIC with built-in hardware-assist

for RAID 5 XOR and RAID 6 p+q

Four 2 GB/s PCI-Express X8 buses (two host,

two drive) deliver 4 GB/s of internal bandwidth Two dedicated 2 GB/s PCI-E X8 cache

mirroring buses

Field replaceable host interface cards

Dedicated data cache

Dedicated cache mirroring busses Battery-backed and destaged

to disk after power loss

7 9 0 0 H P C

Host/SAN connectivity

Sixteen 4 Gb/s FC

Eight 20 Gb/s IB

Drive channels / drives

Sixteen 4 Gb/s FC

480 FC/SATA (256 initially)

XOR and Cache

Dedicated XOR engine

8 GB dedicated cache

Battery-backed, mirrored

Performance

6.4 GB/s sequential disk reads

5.4 GB/s sequential disk writes

Dual-controller system specs


10/14

10LSI Confidential

Field Replaceable Host Interface Cards


11/14

11LSI ConfidentialLSI Confidential

6998 / 7900 HPC Specification Comparison

Dual-controller system

(unless noted)6 9 9 8 7 9 0 0 H P C Improvement

Host channels 8 FC 16 FC or 8 IB 2X

Redundant drive channels Eight 4 Gb/s Sixteen 4 Gb/s 2X

Max drives 224 FC/SATA 480 FC/SATA 2X

Processor Intel Xeon 2.4 GHz Intel Xeon 2.8 GHz ---

Processor memory (single controller) Up to 1 GB 2 GB 2X

XOR technology Dedicated ASIC Dedicated ZIP ASIC ---

Bus Technology PCI-X PCI-Express 2X

Internal controller bandwidth(single controller)

1 GB/s 4 GB/s 4X

Data cache (min/max) 2 GB / 16 GB 8 GB ---

Cache Hold-up Battery backed Permanent 2X

Cache Mirroring Back-end loops 2 dedicated busses ---

Cache bandwidth (single controller) 3.2 GB/s 17 GB/s 5X


12/14


6998 / 7900 HPC Performance Comparison

6 9 9 8 7 9 0 0 H P C Improvement

Burst throughput cache read 1,700 MB/s 6,400 MB/s 3.8X

Sustained throughput disk read 1,600 MB/s 6,400 MB/s 4X

Sustained throughput disk write (CMD) 1,300 MB/s 5,400 MB/s 4X

Burst I/O rate cache reads 575,000 IOPS 700,000 IOPS 1.6X

Sustained I/O rate disk reads 86,000 IOPS ~ 172,000 IOPS (est) 2X

Sustained I/O rate disk writes 22,000 IOPs ~ 45,000 IOPS (est) 2X

~ Performance numbers are preliminary estimates based on 448 drives and not committed.Actual results based on testing are to be determined.

All numbers were done using RAID 5 using switched drive modules.


13/14

Questions


14/14


7999 Controller Block Diagram

7900 HPC Briefings V5

Documents