On 09/04/2012 08:20 PM, Terry wrote: > On Tue, Sep 4, 2012 at 1:04 PM, Fabio M. Di Nitto <fdinitto@xxxxxxxxxx > <mailto:fdinitto@xxxxxxxxxx>> wrote: > > On 09/04/2012 05:01 PM, Terry wrote: > > Hello, > > > > I am running an NFS cluster with 3 exports distributed across 2 nodes. > > When I try to relocate an NFS export, it fails. I then have to > disable > > and enable it on the other node. Does anyone have any tricks to get > > around this issue? I am sure it is due to file locking. Here's > the config: > > This is a difficult config to support because of some design limitations > in nfsd and what cluster users expect (exactly your config). > > My best guess is that the service fails to relocate because the fs > cannot be unmounted. > > If so, you need to add force_unmount="1" to the fs resources. > > If that still doesn't fix the problem, you need to upgrade to a version > of the resource-agents that support nfsrestart="1" for fs resource. > This depends on what distro/release you have. nfsrestart does a much > harder (invasive) action to drop the locks holding the fs. Still > requires force_unmount to be set. It can be used together with nfslock > (if nfslock fails, then nfsrestart will kick in). > > Fabio > > > I am on ubuntu 12.04. > Start by setting up force_unmount, if that's not enough, then you will need to contact ubuntu-ha team to pull in the fixes from upstream or build your own resource-agents package to include nfsrestart option. Fabio -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
