>16tb filesystems on linux
bond.masuda at jlbond.com
Thu Aug 26 13:18:49 CDT 2010
In what scenarios did you experience poor performance with XFS? In our
environment, running a farm of massive file servers, XFS has always
outperformed ext3 by a large margin. Even the performance comparisons of
ext4 that I've seen mostly conclude it was about the same level as XFS
if not a little lacking in a few scenarios. We did a pretty extensive
benchmarking / performance test for our environment comparing ext3, jfs,
xfs, reiserfs, and concluded that XFS was the best for our needs. JFS
was a close 2nd, but it didn't handle multiple parallel I/O streams very
Your statement about XFS comes as a surprise to me...
On Thu, 2010-08-26 at 10:26 -0700, Nick Stephens wrote:
> Hi all,
> I recently purchased a PE610 with a PERC6 card attached to an MD1000
> with about 26TB of space. I know from my own research that ext4
> supports up to an exabyte, however it appears that the e2fs team has not
> yet created a mkfs.ext4 that supports anything bigger than 16TB.
> I have played with XFS in the past, and sadly it's performance is
> severely lacking for our environment, so it is not an option.
> I am very interested in ZFS, but it seems like it will never make it (in
> a stable fashion) into the linux world at this rate.
> Does anyone have any tips or tricks for this scenario? I am utilizing
> RHEL5 based installations, btw.
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