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RE: [rhelv5-list] Clustered LVM



Which version of lvm2-cluster are you using? Are you subscribed to the
Beta channel for Cluster Storage? 

I am running the "standard" version, but there is a later one in the
Beta channel:

root# rpm -q lvm2-cluster
lvm2-cluster-2.02.26-1.el5 

Thanks,

Kevin

-----Original Message-----
From: rhelv5-list-bounces redhat com
[mailto:rhelv5-list-bounces redhat com] On Behalf Of Nuno Fernandes
Sent: Saturday, May 03, 2008 2:30 PM
To: rhelv5-list redhat com
Subject: Re: [rhelv5-list] Clustered LVM

On Monday 28 April 2008 07:57:39 Zavodsky, Daniel (GE Money) wrote:
> Hello,
>     I have been experiencing exactly the same issues... and I found
the
> trick with restarting clvmd myself too. :-) It looks like the problem
> happens when you are using both non-clustered and clustered LVM.
I'm also using both clustered and non-clustered lvm on the same machine
and i 
don't have that problem.. Everything is working fine.

Best regards,
Nuno Fernandes

>     I don't think you are doing anything wrong.
>
> Regards,
>     Daniel
>
>
>
>   _____
>
> From: rhelv5-list-bounces redhat com
> [mailto:rhelv5-list-bounces redhat com] On Behalf Of Collins, Kevin
> [Beeline]
> Sent: Friday, April 25, 2008 9:08 PM
> To: rhelv5-list redhat com
> Subject: [rhelv5-list] Clustered LVM
>
>
>
> Hi,
>
>         I am working through the process of building my first GFS
> installation and cluster. So far, things are going well. I have shared
> SAN disk that is visible to both nodes, I've got the basic cluster up
> and I am now starting to create my LVM structure.
>
> I spent a lot of time trying to determine why I was seeing errors
> similar to the following when trying to create LVs in a new VG:
>
> root# lvcreate -L 50M /dev/vgtest
>   Rounding up size to full physical extent 52.00 MB
>   Error locking on node cpafisxb: Volume group for uuid not found:
> IC070PzNGG68uEesi33dH902E4GeGEvwcAccZY4AdnJRkPHUL7EYJzL0Xxkg3eqV
>
>   Error locking on node cpafisxa: Volume group for uuid not found:
> IC070PzNGG68uEesi33dH902E4GeGEvwcAccZY4AdnJRkPHUL7EYJzL0Xxkg3eqV
>
>   Failed to activate new LV.
>
> I noticed that I did not have a /dev/vgtest on the node where I
created
> the VG. I discovered (by googling the error message above) that
another
> person had seen a similar problem and resolved it by restarting the
> clvmd service. I did the same thing and the problem was resolved - I
> don't see that error when creating LVs in that VG, and I now have a
> /dev/vgtest and associated files (only on the node I created it on).
>
> Now, I created a new VG, try to create a new LV within it and see the
> same error! I see in the clvmd man page that there is a "-R" option,
> which sounds like maybe what should be done instead of restarting
clvmd.
> Tried it, but no luck - same error and no /dev/ directory created.
> Restart clvmd, instant fix.
>
> So - what am I doing wrong here? I can't imagine I am supposed to
> restart clvmd every time I create a new VG, am I?
>
> Additionally, I can see the clustered VGs and LVs on my other node,
but
> there are not any files in /dev for the clustered VGs - is this
normal?
> I have also restarted clvmd there with no effect.
>
> Thanks,
>
> Kevin


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