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Atto/iStoragePro Test Results for RAID-5 Striping + Parity

Last updated November 07, 2010 - Send Feedback

iStoragePro with Atto R380 using Oct 26 2010 firmware

As with RAID-0 striping, scalability is non-linear. Write performance flatlines at 6 drives, and read performance declines at 8 drives to the speed of 6 drives. This performance is consistent with the RAID-0 results.

RAID-0 scalability (Atto R380, Oct 26 2010 firmware)
Scalability of RAID-5 striping + parity with 3...8 drives

Speed compared to RAID-6

See results on the RAID-6 page.

Cycling

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