[TriLUG] NFS disk quota per mount point

David Black dave at jamsoft.com
Sat Nov 12 21:10:41 EST 2011

Hi Ron,

I wasn't formerly aware XFS quotas are handled differently (and separately) from the usual quota system in Linux, but am dabbling with some file server questions myself and decided to look it up - it appears you're good to go... from xfs_quota(8):

       10.    XFS supports the notion of project quota, which can be used to  implement  a
              form  of  directory  tree  quota  (i.e. to restrict a directory tree to only
              being able to use up a component of the filesystems available space; or sim-
              ply  to  keep track of the amount of space used, or number of inodes, within
              the tree).


----- Original Message -----
> Greetings all,
> Is it possible to export a filesystem from a linux server with a
> specified quota per mount point?  For example, I have a large
> /export filesystem (+9T running XFS) on an NFS server and want to
> export a subdirectory to a set of NFS clients and enforce a 100G
> limit.  I have read about user/group quotas, but I need to enforce
> this on a sub-directory boundary instead.
> Any pointers?
> -----------------------------
> Ron Kelley
> rkelleyrtp at gmail.com
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