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[Linux-cluster] RE: Can't create LV in 2-node cluster



Hi Mark,

This is just an experimental cluster for now, not production, so 2-nodes
is sufficient (as long as it doesn't significantly alter the setup, which
I don;t think it does). I have two multi-pathed iSCSI targets for storage,
one each on two separate boxes. I have got this going previously on a
slightly different set-up elsewhere, but this is my next effort that
incorporates easy shutdown/startup of the storage and cluster. Except I
can't get the LV up and running...

Thanks, Mike

Date: Mon, 6 Oct 2008 11:03:57 -0500
From: "Mark Chaney" <macscr macscr com>
Subject: RE: [Linux-cluster] Can't create LV in 2-node cluster
To: "'linux clustering'" <linux-cluster redhat com>
Message-ID: <04cb01c927cd$24b23ed0$6e16bc70$ com>
Content-Type: text/plain;        charset="us-ascii"

What are you using for shared storage? Also, 2 node clusters are highly
discouraged from my experience and recommendations of others.

-----Original Message-----
From: linux-cluster-bounces redhat com
[mailto:linux-cluster-bounces redhat com] On Behalf Of
michael osullivan auckland ac nz
Sent: Monday, October 06, 2008 10:28 AM
To: linux-cluster redhat com
Subject: [Linux-cluster] Can't create LV in 2-node cluster

Hi everyone,

I have created a 2-node cluster and (after a little difficulty) created a
clustered volume group visible on both nodes. However, I can't create a
logical volume on either node. I get the following error:

Error locking on node <other node>: Error backing up metadata, can't find
VG for group #global
Aborting. Failed to activate new LV to wipe the start of it.

I have locking_type = 3 and locking_library = liblvm2clusterlock.so. The
metadata areas and sequence nos are the same using vgdisplay on both
nodes.

Can anyone help me create LVs? I am happy to provide any extra info needed.

Thanks, Mike




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