Open systems Specialists: XiV Storage Reinvented

XIV – Storage ReinventedMarcus KönigSystems Consultant (Open Systems Specialists)

Make change work for youIBM Insight Forum 09®

XIV Showcase - Agenda -

XIV OverviewLive demonstration of an XIV systemQuestions & Answers

IBM Insight Forum 09®

Make change work for you

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Traditional Enterprise Storage Solutions

With this legacy architecture, scalability is achieved by using more powerful (and more expensive) components.

Cache

Controllers

Interface Interface InterfaceBuilding blocks:• Disks/Flash• Cache• Controllers• Interfaces• Backplane

JBOD JBOD

Scale Up

PERFORMANCERELIABILITYSCALABILITY

= $$$



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Data Module

UPSUPS UPS

Data Module

Data Module

Data Module

HostHost

HostHost

FC

Ethernet

iSCSI

HostHost

XIV Showcase - Hardware Overview -

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XIV Showcase - Differences -

highly scaleable1TB Disk rebuild in under 40 minno performance optimisation necessaryno hotspots throughout the whole systemtier-less architectureease of use



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XIV Showcase - Storage Distribution Algorithm -

Each volume (LUN) is spread across all drives Data is “cut” into 1MB “partitions” and stored on the disksXIV algorithm automatically distributes partitions across all disks in the system pseudo-randomly

Data Module

Interface

Data Module

Interface

Data Module

Interface

Switching



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Data distribution only changes when the system changesEquilibrium is kept when new hardware is addedEquilibrium is kept when old hardware is removedEquilibrium is kept after a hardware failure

Node 2

Node 3

Node 1

Data Module 2Data Module 1

Data Module 3



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Node 4


Data Module 2

Data Module 3

Data Module 1

[ hardware upgrade ]

Data Module 4




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Data Module 2

Data Module 3 Data Module 4

Data Module 1

[ hardware failure ]





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XIV Showcase - Live Demo -

short overview GUIsample Host definitionsample LUN creation and Host attachmentSnapshotEvents and statistics



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Thank you

Questions?

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Open systems Specialists: XiV Storage Reinvented

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