[Linux-cluster] GFS and Cluster
jeff.sturm at eprize.com
Mon Feb 15 21:57:17 UTC 2010
Mounting a GFS filesystem on two or more nodes concurrently requires
that you have a lock manager in place. The cluster suite provides DLM
for this, which absolutely requires an operational cluster.
(You can mount GFS on a single node with no cluster, but that's not a
very interesting way to use GFS.)
From: linux-cluster-bounces at redhat.com
[mailto:linux-cluster-bounces at redhat.com] On Behalf Of Fagnon Raymond
Sent: Monday, February 15, 2010 3:40 PM
To: linux clustering
Subject: [Linux-cluster] GFS and Cluster
I have a hypothetical question. Will GFS work without the cluster
software active? Here is what I would like to do.
I have a two node nfs cluster. Currently the cluster is set up as active
standby. What I propose is to shutdown the cluster software leaving GFS
in place. Have both nodes NFS out /datadir. Put the virtual ip on an f5
load balancer and have NFS load balanced between the two nodes. This
will allow me to leverage both servers instead of leaving one idle.
Is this possible to accomplish. My understanding is that gfs is used to
allow two nodes access to one file system whether they are running
cluster software or not.
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