[Linux-cluster] NFS failover problem

[Maciej Bogucki]

> If I use the same standard mount options on both clients (e.g. mount
> SERVER:/exportfs    /mountpoint -t nfs -o rw,noatime ) then everything
> works fine until I perform a failover.  At that point the RHEL 3 client
> is OK but the RHEL 4 client can no longer stat the filesystem (df
> hangs).  If I move the service back the hung df command completes.  I
> don't see an I/O error per say but any copies to and from that
> mountpoint are inactive until I relocate the service back.

Hello,


I suppose that You have problem with NFS lock manager [1 point 4e] or
with NFS statd[1 point 4f].

[1] - http://www.linux-ha.org/DRBD/NFS

Best Regards
Maciej Bogucki