> 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 -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
