On 04/25/2012 11:00 AM, Frank Meier wrote:
> Am 24.04.2012 17:53, schrieb pacemaker-requ...@oss.clusterlabs.org:
> 
>> Message: 2
>> Date: Tue, 24 Apr 2012 15:58:53 +0000
>> From: "Daugherity, Andrew W" <adaugher...@tamu.edu>
>> To: "<pacemaker@oss.clusterlabs.org>" <pacemaker@oss.clusterlabs.org>
>> Subject: Re: [Pacemaker] LVM restarts after SLES upgrade
>> Message-ID: <114ad516-3da6-43e1-8d15-f5d9d3eaa...@tamu.edu>
>> Content-Type: text/plain; charset="us-ascii"
>>
>> On Apr 24, 2012, at 4:28 AM, <pacemaker-requ...@oss.clusterlabs.org>
>>  <pacemaker-requ...@oss.clusterlabs.org> wrote:
>>
>>> Date: Tue, 24 Apr 2012 09:34:12 +0000
>>> From: emmanuel segura <emi2f...@gmail.com>
>>> Message-ID:
>>>       <CAE7pJ3DGvkzMR1d9HNm76s8wtrAj0t1==31rnafhe-yegtv...@mail.gmail.com>
>>>
>>> Hello Frank
>>>
>>> Maybe this it's not the probelem, but i see this constrain wrong from
>>> my point of view
>>> =============================================================
>>> order o-Testclustervm inf: c-xen-vg-fs vm-clusterTest
>>> order o-clvmglue-xenvgfs inf: c-clvm-glue c-xen-vg-fs
>>> =============================================================
>>> to be
>>> =============================================================
>>> order o-clvmglue-xenvgfs inf: c-clvm-glue c-xen-vg-fs
>>> order o-Testclustervm inf: c-xen-vg-fs vm-clusterTest
>>> =============================================================
>>
>> How is that any different?  Both sets of order constraints are identical, 
>> and look correct.  Changing the order you add them in makes no difference, 
>> as the rules are evaluated as a set, and the crm shell will reorder them in 
>> alphabetical (ASCIIbetical, actually) order anyway.
>>
>>
>>> 2012/4/24, Frank Meier <frank.me...@hr-group.de>:
>>>> Every time the vgdisplay -v TestXenVG is hanging(ca.2min)
>>>>
>>>> I see two of this peocesses:
>>>> /bin/sh /usr/lib/ocf/resource.d//heartbeat/LVM monitor
>>>> /bin/sh /usr/lib/ocf/resource.d//heartbeat/LVM monitor
>>>> is this OK, or have we a race condition?
>>
>> Frank, I see you have multipath in your LVM config.  Have you tried it with 
>> multipath disabled?  I wonder if this isn't a pacemaker/corosync problem but 
>> rather a lower-level storage problem.  Still, whatever the cause, it doesn't 
>> fill me with confidence about upgrading to SLES 11 SP2... I guess it's time 
>> to bring up that test cluster I've been meaning to build.
>>
>> -Andrew
>>
> 
> Hi,
> 
> yes, I've tested now without multipathd, but the problem exist furthermore.

You already found this thread?

http://lists.linux-ha.org/pipermail/linux-ha/2011-November/044267.html

.... there was also another discussion I can't find atm regarding
possible tunings like i/o scheduler and lvm filter changes.

Regards,
Andreas

-- 
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