[Linux-cluster] problem with rgmanager & depend / depend_mode
Digimer
lists at alteeve.ca
Fri Nov 15 14:09:57 UTC 2013
On 15/11/13 04:31, Fabio M. Di Nitto wrote:
> On 11/15/2013 6:35 AM, Digimer wrote:
>> Hi all,
>>
>> I'm trying to use 'depend' in rgmanager on rhel 6.4 to delay the
>> start-up of VM services until storage starts. The storage is managed as
>> a separate service (drbd -> clvmd -> gfs2). The 'depend_mode' is 'soft'.
>>
>> I got the start-up part working, but I have a problem now with
>> stopping a node. If I live-migrate a VM off of the main node and then
>> shut down it's storage, the VM shuts down immediately after with:
>
> rgmanager doesn´t support inter-service dependencies other than for
> start action.
>
> Two options:
> 1) move to pacemaker ;)
> 2) you need a custom rgmanager init script that on stop it will
> either migrate the services out of the current node and then
> stop (if the other nodes are alive), or shutdown the services
> in the correct order
>
> Fabio
Pacemaker is in the works. Will take a while though.
So 'depend' and 'depend_mode' don't work. Might be worth updating the
notes in the vm.sh meta-data.
--
Digimer
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