[ClusterLabs] Antw: Resources wont start on new node unless it is the only active node

Klaus Wenninger kwenning at redhat.com
Wed Nov 9 07:10:44 EST 2016

On 11/09/2016 09:33 AM, Ulrich Windl wrote:
>>>> Ryan Anstey <ryan at treasuremart.net> schrieb am 08.11.2016 um 19:54 in Nachricht
> <CAPj0oHxtumVgCbGO7ff6xTtd+=3FZbWiSBVmrHOCFuBRLMR-pg at mail.gmail.com>:
>> I've been running a ceph cluster with pacemaker for a few months now.
>> Everything has been working normally, but when I added a fourth node it
>> won't work like the others, even though their OS is the same and the
> Welcome to the club ;-)
>> configs are all synced via salt. I also don't understand pacemaker that
>> well since I followed a guide for it. If anyone could steer me in the right
>> direction I would greatly appreciate it. Thank you!
> I would start examining/showing the cluster status (I use "crm_mon -1Arfj"). Everything online? Same status from each node?

crm_simulate -Ls is a good source of information as well regarding
current status, what pacemaker thinks would be allow to do
(scores for resources) and what it would like to do about the things
it thinks are not OK as is (Transition summary).

>> - My resources only start if the new node is the only active node.
>> - Once started on new node, if they are moved back to one of the original
>> nodes, it won't go back to the new one.
>> - My resources work 100% if I start them manually (without pacemaker).
>> - (In the logs/configs below, my resources are named "unifi", "rbd_unifi"
>> being the main one that's not working.)
>> Log when running cleaning up the resource on the NEW node:
>> Nov 08 09:25:20 h4 Filesystem(fs_unifi)[18044]: WARNING: Couldn't find
>> device [/dev/rbd/rbd/unifi]. Expected /dev/??? to exist
>> Nov 08 09:25:20 h4 lrmd[3564]: notice: lxc_unifi_monitor_0:18018:stderr [
>> unifi doesn't exist ]
>> Nov 08 09:25:20 h4 crmd[3567]: notice: Operation lxc_unifi_monitor_0: not
>> running (node=h4, call=484, rc=7, cib-update=390, confirmed=true)
>> Nov 08 09:25:20 h4 crmd[3567]: notice: h4-lxc_unifi_monitor_0:484 [ unifi
>> doesn't exist\n ]
>> Nov 08 09:25:20 h4 crmd[3567]: notice: Operation fs_unifi_monitor_0: not
>> running (node=h4, call=480, rc=7, cib-update=391, confirmed=true)
>> Nov 08 09:25:20 h4 crmd[3567]: notice: Operation rbd_unifi_monitor_0: not
>> running (node=h4, call=476, rc=7, cib-update=392, confirmed=true)
>> Log when running cleaning up the resource on the OLD node:
>> Nov 08 09:21:18 h3 crmd[11394]: warning: No match for shutdown action on
>> 167838209
> This indicates a node communication problem!
> [...]
> Regards,
> Ulrich
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