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Date: Thu, 16 Sep 2010 09:21:20 -0400
From: Michael Smith <msmith@cbnco.com>
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Subject: Re: [linux-lvm] CLVM and LV activation
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To: LVM general discussion and development <linux-lvm@redhat.com>

aneesh vs wrote:
 > On Fri, Aug 27, 2010 at 11:36 PM, Michael Smith <msmith@cbnco.com
>> When a CLVM cluster comes up, the LVs in the clustered volume
>> groups are "not available". I can use the heartbeat LVM resource to
>> trigger a "vgchange -aly", but I'm wondering if there's a way to
>> configure it to happen automatically. It'd make my cluster config
>> simpler.

> If you are using clvm, you shouldn't wory about volume_list because clvm 
> allows nodes to activate LVs in all nodes.
> Please check what is "locking_type" in lvm.conf . It should be 3 in 
> RHEL5 so that when clvm starts it can enable all clustered VGs.

I'm using SLES11 SP1, but yes, locking_type is 3. There is no problem 
with clvm as far as I can tell - it just doesn't automatically mark the 
LVs as available. I have to run vgchange -ay to make them available. 
After that, they work.

> Please note that cluster should be quorate for clvm to start fine.

Some of my clusters are two-node so quorum isn't possible. clvm is 
running with "-q 0", so I don't think it cares. (That's the default used 
by the clvm RA.)

Thanks,
Mike