Messages in this thread | | | Date | Wed, 28 May 2008 15:05:46 -0400 (EDT) | From | Justin Piszcz <> | Subject | Re: Performance Characteristics of All Linux RAIDs (mdadm/bonnie++) |
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On Wed, 28 May 2008, Keld Jørn Simonsen wrote:
> I added this in the wiki performance section. Ok.
> I think it would have been informative if also a test with one drive in > a non-raid setup was described. Since the performance of bonnie++ deals with single threads/a raid1 would probably closely match it but yeah I could do that sometime.
> > Are there any particular findings you want to highlight? Not in particular, just I could never find this information provided anywhere that showed all of the raid variation/types in one location that was easy to read.
> > Is there some way to estimate random read and writes from this test? The sequential input and output and re-write speeds are the most important.
> > Are the XFS file systems completely new when running the tests? Yes, after the creation of each array, mkfs.xfs -f /dev/md3 was run to ensure a clean mount and cron was also off throughout all testing.
> > Best regards > keld
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