Very inconsistent (read) speed on UFS2
daniel at digsys.bg
Wed Aug 31 07:44:17 UTC 2011
On 31.08.11 03:42, Jeremy Chadwick wrote:
> There is a possibility that one of your drives could be performing at
> less-than-ideal rates (yes, intermittently) and therefore impacts
> (intermittently) your overall I/O throughput.
This is very probable, given RAID5, that needs to read stripes off every
disc on every read.
Probably some S.M.A.R.T. investigation might help (different
measurements for different drives, if supported by the drives, that is).
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