NFS V4 locking problem

Issues related to configuring your network
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Rambler
Posts: 4
Joined: 2007/11/28 22:14:47

NFS V4 locking problem

Post by Rambler » 2011/07/17 23:43:36

I upgraded two servers to CentOS 6 over the weekend (re-installed actually) and am having a problem with locking over NFS but only for NFS V4 mounts (which seems to be the default now). Both my NFS client and server are running CentOS 6.


On a filesystem mounted with NFS V4 locking fails:

-bash-4.1$ flock x date
flock: x: Input/output error

On the same filesystem mounted with NFS V3 it works:

-bash-4.1$ flock x date
Mon Jul 18 09:35:08 EST 2011

The NFS server is running both lockd and rpc.statd so what am I missing here?

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