Messages in this thread | | | Date | Wed, 25 Jan 2006 13:19:38 +1100 | From | Grant Coady <> | Subject | Re: poor raid0 performance in 2.6.16-rc1-mm2? |
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On 1/25/06, Ed Sweetman <safemode@comcast.net> wrote: > I'll have to reboot to double check that this is specific to the above > kernel version, but It seems something is either wrong with my > particular kernel config for raid0, or my raid0 is setup wrong. > > my raid0 uses 64k chunk sizes on an ext3 fs that's 367GB large, (across > two identical sata disks on nforce4 chipset) > > I have partitions on both drives of equal size (2 altogether) that are > outside of the raid0. I dbenched those partitions, the raid0 device, > and libata pata devices i also have (same rpm, less cache, same company). > > pata disk : 403MB/sec > sata disk 1: 446MB/sec > raid0 : between 336MB/sec and 386MB/sec
Hmm, looks optimistic, I performed some raid0, raid1 testing on SATA recently here: http://bugsplatter.mine.nu/test/raid_times
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