Messages in this thread | | | Date | Wed, 20 Jun 2007 19:06:06 -0400 | From | Jeff Garzik <> | Subject | Re: SATA Harddisk speed drop of 100 MB/s |
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Carlo Wood wrote: > 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.
More info needed... kernel config, before-and-after dmesg output, lspci output.
Jeff
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