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Re: Re: Re: Re: Re: Re: [Linux-cluster] unable to umount GFS



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!

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 redhat com>




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