Sorry -- You are correct... it is actually under evms for the ocfs2
partitions. This has been a crazy week for me.

On Tue, Sep 29, 2009 at 11:50 AM, Brian Kroth <bpkr...@gmail.com> wrote:
> Angelo McComis <ang...@mccomis.com> 2009-09-29 11:19:
>> I'm sorry -- it's lvm2, and yes. :-)
>>
>> On Tue, Sep 29, 2009 at 10:41 AM, Charlie Sharkey
>> <charlie.shar...@bustech.com> wrote:
>> >
>> > It was mentioned:
>> >
>> >    - Checked our lvm configuration - seems to be good as well.
>> >
>> > Is lvm supported by ocfs2 ?
>
> I didn't think this part was true.  The issue being that all nodes need
> to be aware of possible metadata changes to the volume group and logical
> volumes.
>
> clvm (which I believe is supported by Novell) can handle that locking
> between nodes so that they have a consistent view of the metadata, but
> last I checked it used a different cluster stack that wasn't quite
> supported by ocfs2 yet and running both sided by side would run into
> some fencing issues.
>
> Alternatively I think you can (read unsupported, but does work) do
> simple LVM configurations like linear spans since they don't have any
> striping metadata information that needs to be updated.  The trick is
> that you need to take everything offline when you want to make any
> changes to the volume group or logical volume.
>
> Brian
>

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