XFS: Abysmal write performance because of excessive seeking (allocation groups to blame?)

[Emmanuel Florac]

Le Mon, 9 Apr 2012 13:02:27 +0200 vous écriviez:

> So 150 MB/sec seems to be the
> best these disks can do,

Definitely NOT right. I mean I've got routinely 600 MB/s from 8 7.2K
drives RAID-6 arrays. Unless cache is off, which RAID-6 isn't obviously
thought for.

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