Messages in this thread | | | Date | Thu, 3 Apr 2003 15:10:45 -0500 | From | Chuck Ebbert <> | Subject | RAID 5 performance problems |
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>Tos be certain that this was not the bottleneck, I removed it >from the raid so that is runs in degraded mode. This did not >change the performance much
Don't do that and expect a valid performance test.
On average, one-fifth of all array reads will cause reads from all four remaining disks in order to reconstruct the missing data when you run in that mode.
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