[Linux-cluster] want to use GFS2

[rhurst at bidmc.harvard.edu]

Just two cents, I believe Red Hat does support GFS2 on single server using lock_nolock, because we do SAN "snaps" of actively clustered GFS2 volumes (simple flatfiles, no databases) and present the snap luns to a media agent server to backup the data oob.  RHN was okay with that configuration and we have been running it this way on GFS and GFS2 for 5-years without issue.


-----Original Message-----
From: linux-cluster-bounces at redhat.com [mailto:linux-cluster-bounces at redhat.com] On Behalf Of Bob Peterson
Sent: Monday, February 14, 2011 8:37 AM
To: linux clustering
Subject: Re: [Linux-cluster] want to use GFS2

----- Original Message -----
| Hi,
| 
| You need to setup a simple cluster and a proper fencing mechanism . No 
| need to configure any services since you want to use GFS2 on both the 
| nodes.
| Start the cluster, mount the gfs2 by /etc/fstab entry.
| 
| Note: You can't use GFS2 without a Cluster setup.
| 
| Dominic

Hi,

Well, technically you can use GFS2 without a cluster setup.
I believe Red Hat doesn't support it, and the storage can't be mounted by more than a single computer (with "lock_nolock"
locking protocol), but it can be done.

Regards,

Bob Peterson
Red Hat File Systems

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