On Thu, Dec 23, 2004 at 03:07:17PM -0000, Raj Kumar wrote: > Thank you very much! > PS: I didn't notice until now that all messages were not sent to linux-cluster. I'm sending them now with the hope that it will be useful to someone! Much appreciated. > On Thu, 23 Dec 2004 Adam Manthei wrote : > >On Wed, Dec 22, 2004 at 11:32:18PM -0000, Raj Kumar wrote: > > > >You can't unmount GFS if the node you are trying to unmount is also > > > >exporting GFS via NFS. The filesystem busy error means just that, it's > > > >busy. If you want to unmount GFS, you will first need to stop GFS on that > > > >node. > > > > > > nodeA: connected to storage and exports GFS filesystem via NFS > > > No clients are using the NFS export. > > > > > > What procedure do I follow to cleanly shutdown GFS on nodeA? > > > > > > Steps: > > > unmount all GFS filesystems > > > shutdown lock server using gulm_tool shutdown localhost. > > > > > > Is the above sequence correct? If yes, I am unable to complete step 1 unmounting. > > > > > > >If you want to unmount GFS, you will first need to stop GFS on that > > > >node. > > > Were you referring to clients using NFS exports in statement "stop GFS on that node" or nodeA. No one is using NFS exports and GFS filesystem on nodeA. > > > > > > I'm sorry to bother you, but would very much appreciate your comments! > > > Thank you! > > > Raj > > > >It doesn't matter that nobody is using NFS in your above example. NFS is > >using GFS! and that is why you are unable to unmount GFS. > > > >So... > > > >Step 1. Stop Exporting NFS (at least stop exporting GFS) > >Step 2. Make sure nothing else on the system is using GFS > >Step 3. Umount GFS > >Step 4. stop the lock servers. > > > >Steps 1-3 are the same for any other filesystem. There is nothing special > >going on here. The init scripts will also help with the ordering. > > > >service nfs stop > >service gfs stop > >service lock_gulmd stop > >service ccsd stop > >service pool stop > > > >-- > >Adam Manthei <amanthei@xxxxxxxxxx> -- Adam Manthei <amanthei@xxxxxxxxxx>