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SubjectSATA Harddisk speed drop of 100 MB/s
hdparm -tT gives over 160 MB/s for my tripple 10k rpm Raptor RAID5
on 2.6.18, as expected.

In 2.6.22-rc5 this dropped to only 60 MB/s !

Is this a known issue?

I also measured it with bonnie; I get 108 MB/s reading speed on
2.6.18 and only 68 MB/s on 2.6.22-rc5.

Carlo Wood <>
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