Try mounting with first nfs v3 and then nfs v4, see if it makes any difference? Worth noting that NFS v4's uid mapping feature had a very, very long-standing bug on Linux that caused pretty odd behaviour in regard to permissions, but after years it was marked as fixed upstream last month. But it'll still be busted in wheezy and 3.11. T On 13 February 2014 19:29, Russell Coker <russell@coker.com.au> wrote:
/data 10.1.2.3(rw,sync,no_subtree_check,no_root_squash)
I have the above in /etc/exports, root on the NFS client can't run chown, it gets EINVAL. Both client and server are running Debian/Wheezy but the server has kernel 3.11 from Debian/Unstable (for BTRFS).
I don't think it's a BTRFS issue as I have another BTRFS NFS server that works well.
Any suggestions as to what I should investigate? Please include the "obvious" things as I probably missed something that's supposed to be obvious.
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