Engenio 7900 HPCStorage System

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LSI In HPC

• LSI (Engenio Storage Group) has a rich, successful history of deploying 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 the mainstream• 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

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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 to ensure continuous high-speed data delivery

Flagship storage system designed for compute-intensive applications

Engenio 7900 HPC Storage System

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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

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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 controller

cache mirroring– Proactive drive health monitoring– Hardware-assist RAID 6– Read parity check

Performance + Uptime = Computational Efficiency

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• 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

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• 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

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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 mirrored cache, 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

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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

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Field Replaceable Host Interface Cards

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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

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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.

Questions

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7999 Controller Block Diagram