[ClusterLabs] ocf:heartbeat:LVM or /etc/lvm/lvm.conf settings question

[emmanuel segura]

you described your problem, but didn't show any logs or cluster config.

2016-08-10 23:47 GMT+02:00 Darren Kinley <dkinley at mdacorporation.com>:
> The default lvm.conf's filter includes /dev/drbdX
>
>     # By default we accept every block device except udev names, floppy and cdrom drives:
>     filter = [ "r|/dev/.*/by-path/.*|", "r|/dev/.*/by-id/.*|", "r|/dev/fd.*|", "r|/dev/cdrom|", "a/.*/" ]
>
> -----Original Message-----
> From: emmanuel segura [mailto:emi2fast at gmail.com]
> Sent: Wednesday, August 10, 2016 2:33 PM
> To: Cluster Labs - All topics related to open-source clustering welcomed <users at clusterlabs.org>
> Subject: Re: [ClusterLabs] ocf:heartbeat:LVM or /etc/lvm/lvm.conf settings question
>
> your lvm filter include the drbd devices /dev/drbdX ?
>
> 2016-08-10 21:38 GMT+02:00 Darren Kinley <dkinley at mdacorporation.com>:
>> Hi,
>>
>> I have an LVM logical volume and used DRBD to replicate it to another
>> server.
>> The /dev/drbd0 has PV/VG/LVs which are mostly working.
>> I have colocation and order constraints that bring up a VIP, promote
>> DRBD and start LVM plus file systems.
>>
>> The problem arises when I take the active node offline.
>> At that point the VIP and DRBD master move but the PV/VG are not
>> scanned/activated, the file systems are not mounted and “crm status”
>> reports an error for the ocf:heartbeat:LVM resource
>>
>> “Volume group [replicated] does not exist or contains an error!
>> Using volume group(s) on command line.”
>>
>> At this point the /dev/drbd0 physical volume is not known to the
>> server and the fix requires
>>
>> root# pvscan –cache /dev/drbd0
>> root# crm resource cleanup grp-ars-lvm-fs
>>
>> Is there an ocf:heartbeat:LVM setting or /etc/lvm/lvm.conf settings to
>> force the PV/VGs to come online?
>> It is not clear whether the RA script “exclusive” or “tag” settings
>> are needed or there is a corresponding lvm.conf setting.
>>
>> Is l”vm.conf write_cache_state = 0” recommended by the DRBD User Guide
>> correct?
>>
>> Thanks,
>> Darren
>>
>>
>>
>> _______________________________________________
>> Users mailing list: Users at clusterlabs.org
>> http://clusterlabs.org/mailman/listinfo/users
>>
>> Project Home: http://www.clusterlabs.org Getting started:
>> http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
>> Bugs: http://bugs.clusterlabs.org
>>
>
>
>
> --
>   .~.
>   /V\
>  //  \\
> /(   )\
> ^`~'^
>
> _______________________________________________
> Users mailing list: Users at clusterlabs.org http://clusterlabs.org/mailman/listinfo/users
>
> Project Home: http://www.clusterlabs.org Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
> Bugs: http://bugs.clusterlabs.org
> _______________________________________________
> Users mailing list: Users at clusterlabs.org
> http://clusterlabs.org/mailman/listinfo/users
>
> Project Home: http://www.clusterlabs.org
> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
> Bugs: http://bugs.clusterlabs.org



-- 
  .~.
  /V\
 //  \\
/(   )\
^`~'^