>16tb filesystems on linux

Jeff Layton laytonjb at att.net
Thu Aug 26 13:02:43 CDT 2010

  You can always build the latest e2fsprogs yourself. They have
the 16TB fixes in them but haven't gotten alot of testing so
be careful (test it out first). I've heard it's mostly the resizing
piece of ext4 that hasn't been exercised much but you can
ask the ext4 mailing list.


> 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.
> Thanks!
> Nick
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