[Pacemaker] Configuring Pacemaker & DRBD

[Andrew Beekhof]

On Fri, Sep 30, 2011 at 6:06 AM, Cliff Massey <cliffm304 at cliffmassey.com> wrote:
> After digging around in the messages I found the following:
>
> notice: unpack_rsc_op: Operation convirt-drbd:0_monitor_0 found resource convirt-drbd:0 active on admin01
> notice: unpack_rsc_op: Operation convirt-drbd:0_monitor_0 found resource convirt-drbd:0 active on admin02

Are you having drbd start when the machine boots? Looks like it.  Don't do that.

> admin01 pengine: [3178]: notice: clone_print:  Master/Slave Set: ms-convirt [convirt-drbd]
> pengine: [3178]: notice: short_print:      Stopped: [ convirt-drbd:0 convirt-drbd:1 ]
> pengine: [3178]: info: native_color: Resource convirt-drbd:0 cannot run anywhere
> pengine: [3178]: info: native_color: Resource convirt-drbd:1 cannot run anywhere
> pengine: [3178]: info: master_color: ms-convirt: Promoted 0 instances of a possible 1 to master
> pengine: [3178]: notice: LogActions: Leave   convirt-drbd:0#011(Stopped)
> pengine: [3178]: notice: LogActions: Leave   convirt-drbd:1#011(Stopped)
>
> Could this be a location problem?

Yes. Look up how stonith-enabled="false" works in Pacemaker Explained.

> kernel: block drbd0: disk( UpToDate -> Failed )
> kernel: block drbd0: disk( Failed -> Diskless )
> kernel: block drbd0: drbd_bm_resize called with capacity == 0
> kernel: d-con convirt: Terminating worker thread
> lrmd: [3185]: info: RA output: (convirt-drbd:0:stop:stdout)
> lrmd: [3185]: info: RA output: (convirt-drbd:0:stop:stdout)
>
>
>  Is it having a problem updating one of the disks? If I start drbd manually it looks ok:
>
>  drbd-overview
>  0:convirt/0    Connected Secondary/Secondary UpToDate/UpToDate C r-----
>
>
> On Sep 28, 2011, at 7:25 PM, Cliff Massey wrote:
>
>>
>> I'm trying to configure Pacemaker to manage a drbd resource on a two-node RHEL 6 cluster by the following guide: http://www.clusterlabs.org/wiki/DRBD_HowTo_1.0
>>
>> drbd is 8.04 and works outside of Pacemaker.
>>
>> My configuration is very simple:
>>
>> primitive convirt_drbd ocf:linbit:drbd \
>>       params drbd_resource="convirt" \
>>       op monitor interval="59s" role="Master" timeout="30s" \
>>       op monitor interval="60s" role="Slave" timeout="30s"
>> ms ms-convirt convirt_drbd \
>>       meta clone-max="2" notify="true" globally-unique="false" target-role="Started"
>> property $id="cib-bootstrap-options" \
>>       dc-version="1.1.5-5.el6-01e86afaaa6d4a8c4836f68df80ababd6ca3902f" \
>>       cluster-infrastructure="Heartbeat" \
>>       expected-quorum-votes="2" \
>>       no-quorum-policy="ignore" \
>>       symmetric-cluster="false" \
>>       stonith-enabled="false"
>> rsc_defaults $id="rsc-options" \
>>       resource-stickiness="200"
>>
>> I start the resource by using: resource start ms-convirt. However, the resource doesn't start:
>>
>> drbd-overview
>> drbd not loaded
>>
>> Am I missing any steps?
>>
>> Cliff Massey
>> _______________________________________________
>> Pacemaker mailing list: Pacemaker at oss.clusterlabs.org
>> http://oss.clusterlabs.org/mailman/listinfo/pacemaker
>>
>> Project Home: http://www.clusterlabs.org
>> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
>> Bugs: http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker
>>
>
>
> _______________________________________________
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>
> Project Home: http://www.clusterlabs.org
> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
> Bugs: http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker
>