[Linux-cluster] best way to mount gfs/gfs2?
Maurizio Rottin
maurizio.rottin at gmail.com
Tue Mar 18 16:49:25 UTC 2008
2008/3/18, Maurizio Rottin <maurizio.rottin at gmail.com>:
> 2008/3/18, Lon Hohberger <lhh at redhat.com>:
>
> >
> > On Tue, 2008-03-18 at 12:03 +0100, Maurizio Rottin wrote:
> > > >
> > > > It's better to just use /etc/fstab and chkconfig --add the gfs/gfs2 init script...
> >
> >
> > > but in this way i don't get a monitor service which tells me if gfs is failed.
> > > Plus if i want the ftp server to stay up only if the gfs is up and
> > > fail if gfs goes down?
> >
> >
> > What you suggested would work fine.
> >
> > Note that the clusterfs agent primarily ensures that the file sys is
> > mounted and in the right place.
> >
> > Other failures (loss of quorum, node death) are handled elsewhere.
>
>
> mmm...i'm mounting gfs in virtual machines with fence_xvm enabled for
> each one domU, and fence_xvmd daemon running on each Dom0.
> if i simply do
> #xm destroy phptest
> ehre phptest is a virtual machine
> no one is able to write again on the gfs, and i get in /var/log/messages:
> fenced[1222]: fence "phptest.cluster.local" failed
> Mar 18 16:44:43 php01 fenced[1222]: fencing node "phptest.cluster.local"
> Mar 18 16:44:43 php01 ccsd[1169]: process_get: Invalid connection
> descriptor received.
> Mar 18 16:44:43 php01 ccsd[1169]: Error while processing get: Invalid
> request descriptor
> until that node is in the cluster again.
> So in this case, the vm php01 can't fence the vm phptest
>
>
> but it works only if i issue
> #fence_xvm -H phptest -a 239.192.111.136
> where 239.192.111.136 is the multicast of fence_xvmd daemon
>
> i believe i have configured something wrong...but what?
>
> --
solved!
using conga i had different virtual fence devices with name=phpxx and
domain=phpxx
in this way it does not work.
creating only one shared device named virtual_fence and associating it
with each phpxx machine does the job.
machine gets fenced, gfs gets fenced.
--
mr
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