Messages in this thread | | | Date | Wed, 28 May 2008 19:57:52 +0100 | From | Alan Cox <> | Subject | Re: Performance Characteristics of All Linux RAIDs (mdadm/bonnie++) |
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On Wed, 28 May 2008 18:34:00 +0200 "Jens Bäckman" <jens.backman@gmail.com> wrote:
> On Wed, May 28, 2008 at 10:53 AM, Justin Piszcz <jpiszcz@lucidpixels.com> wrote: > > Results: > > > > http://home.comcast.net/~jpiszcz/raid/20080528/raid-levels.html > > http://home.comcast.net/~jpiszcz/raid/20080528/raid-levels.txt > > Either the RAID 1 read speed must be wrong, or something is odd in the > Linux implementation. There's six drives that can be used for reading > at the same time, as they contain the very same data. 63MB/s > sequential looks like what you would get from a single drive.
Which is fairly typical of a cheap desktop PC where the limitation is the memory and PCI bridge as much as the drive.
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