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Re: [Linux-cluster] gfs mount at boot



On 06/09/2011 10:46 AM, Budai Laszlo wrote:
Hi,

What should be done in order to mount a gfs file system at boot?
I've created the following line in /etc/fstab:

/dev/clvg/gfsvol        /mnt/testgfs            gfs     defaults        0 0

but it is not mounting the fs at boot. If I run "mount -a" then the fs
will get mounted.
Is there any option for fstab to specify that this mount should be
delayed  until the cluster is up and running?

Thank you,
Laszlo

The trick is that you need to setup the GFS2 partition with "rw,suid,dev,exec,nouser,async" instead of "defaults". This is because "defaults" implies "auto", and the cluster is not online that early in the boot process.

To have it mount on boot, start the cluster (chkconfig cman on). If you defined GFS2 as a managed resource, then also enable rgmanager at boot. If not, then instead, enable "gfs2" at boot.

If you're not using RHCS, then the same should still work. You just need to ensure that the service that provides quorum (corosync in pacemaker) starts so that the cluster can form and provide DLM, which is needed by GFS2. With DLM, then it's a matter of starting the resource manager (pacemaker/rgmanager) if the partitions are managed, or starting GFS2 which will consult /etc/fstab and mount any found GFS2 partitions.

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