Intel RAID Performance 12Gb/s SAS RAID Controllers

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Intel®RAIDPerformance12Gb/sSASRAIDControllersWhitePaper
Drives
• 40xSeagate®ST9146853SS146GB6Gb/s15,000SASdrive
• 8xHitachiHUSMM8020ASS200200GB12Gb/sSASSSD
• Disk cache always disabled
Test Suite
• WindowsServer2012R2Standard64-bit
• IOMeterVersion1.1.0
  —SSDdatatestedwith64-KBstripesize,WriteThru,DirectIO,andNoReadAheadpolicies
• SSD drives preconditioned to steady state before taking measurements
  —HDDdatatestedwith256-KBstripesize,WriteBack,DirectIO,andAdaptiveReadAhead 
policies
— Run time: 30 seconds
— Ramp time: 30 seconds
  —Queuedepthsweepfrom1to256
  —Rawdiskaccess(nolesystem)
• Microsoft SQL Server 2014
  —Database:20xdriveRAID10,256-KBstripesize,WriteThruandNoReadAheadpolicies
  —LogDrive:4xdriveRAID5,256-KBstripesize,WriteBackandNoReadAheadpolicies
  —100,000Customerdatabase,4hourruntime
NOTE AlthoughtestingwasperformedwiththeRMS3CC080modularcontroller,expect
    similarperformancefromotherIntel12Gb/sSASRAIDmodels,basedonthesimilar
product architecture.