On 7/13/07, dean gaudet <[EMAIL PROTECTED]> wrote:
> I presume from your past messages your tests include multiple disks at the
> same time?
yep, 4 disks... i was getting 4x74MB/s with dd read. unfortunately i
don't have more disks in the system at this point so i can't test all 8
ports at full tilt.
each disk had its own XFS filesystem.
Just a sidenote, at some point (think 2.6.15) I had problems with
sata_mv that *only* occurred with md raid levels 1,5,6 - everything
was ok when multiple disks were separate filesystems. That was like 4
disks and 10 threads or so.
So I'd recommend always testing also with raid. I'll leave the
guessing about what might be reasons for that behaviour for others.
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