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Re: [Linux-cluster] GFS Issue



lakshmana swamy wrote:

  Hi Friends,

I have configured gfs on RHEL 5.2, While mounting It gives the following error messages.

====================

[root lvs1 ~]# mount -t gfs  -v /dev/sdb1 /share/
/sbin/mount.gfs: mount /dev/sdb1 /share
/sbin/mount.gfs: parse_opts: opts = "rw"
/sbin/mount.gfs:   clear flag 1 for "rw", flags = 0
/sbin/mount.gfs: parse_opts: flags = 0
/sbin/mount.gfs: parse_opts: extra = ""
/sbin/mount.gfs: parse_opts: hostdata = ""
/sbin/mount.gfs: parse_opts: lockproto = ""
/sbin/mount.gfs: parse_opts: locktable = ""
/sbin/mount.gfs: message to gfs_controld: asking to join mountgroup:
/sbin/mount.gfs: write "join /share gfs lock_dlm laxman:gfs rw /dev/sdb1"
*/sbin/mount.gfs: fs is for a different cluster
/sbin/mount.gfs: error mounting lockproto lock_dlm*
[root lvs1 ~]#

===================
 log messages here
*
Feb 1 19:52:23 lvs1 gfs_controld[7267]: mount: fs requires cluster="laxman" current="locuz" Feb 1 19:59:46 lvs1 gfs_controld[7267]: mount: fs requires cluster="laxman" current="locuz"
*
=======

I have installed all the necessary packages. But Iam unable to figure out whats the problem, pls help me !!!

 Thanking you

laxman

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GFS volumes are tagged to the cluster they are locked by. This is done when they are created.

I've never seen this message before, but it seems straight forward - the cluster name defined in /etc/cluster/cluster.conf is different from the one tagged on the GFS volume. In this case the cluster name in /etc/cluster/cluster.conf is defined as "locuz", but the GFS volumes were tagged as belonging to "laxman"

Check cluster.conf:

[root clusternode01 ~]# cat /etc/cluster/cluster.conf|grep config_version
<cluster alias="cluster01" config_version="228" name="cluster01">

Now check the GFS volume:

[root clusternode01 ~]# gfs_tool list
18146975903901458037 dm-2 cluster01:gfs.0

You'll probably find in your case that name="cluster01" and "cluster01:gfs" don't match.

To change it, unmount the volume from all nodes, then check out the "man gfs_tool" for the "gfs_tool sb device table" command for how to modify the GFS volume. Also check https://wiki.ncl.cs.columbia.edu/wiki/index.php/GFS_Initialization for an example on how to use the command.

Regards,

Stewart


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