Very useful information John. Thank you.
(Your email slipped through the cracks and I just saw it by accident. I'm
happy I didn't loose it.)
On Fri, Sep 20, 2013 at 3:21 PM, John R Pierce <pierce@xxxxxxxxxxxx> wrote:
> On 9/20/2013 2:27 PM, Peter Wood wrote:
> > XFS worked. Thanks a lot.
>
> for large xfs file systems, be sure to mount with option inode64.
>
> there's one caveat on XFS in Linux, when used as a nfs export... if you
> JUST export your file system root, then you're fine, but if you like to
> have multiple seperate exports on the same file system, NFS does NOT
> like the 64 bit inode numbers, so you HAVE to specify manual arbitrary
> unique export fsid numbers. I usually just use fsid=1,2,3,... for the
> exports. AFAIK, they only have to be unique within the file system.
> there's an fsid=uuid option but I ran into multiple problems in my
> heterogeneous production environment with this, too.
>
> also, natch, you should ONLY use xfs on a 64bit OS. I think its
> intentionally disabled on 32bit, but if you were to try and force it,
> you'd get into data corruptions or kernel panics.
>
> and, a large XFS file system requires quite a bit of RAM to do the
> xfs_check/repair (equiv to fsck)
>
>
> --
> john r pierce 37N 122W
> somewhere on the middle of the left coast
>
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