[Pacemaker] Problems settings up MySQL failover

Lior Marantenboim liormmm at gmail.com
Mon Feb 22 07:36:38 EST 2010


Yes, both scripts work perfectly well manually. (the ones that come on
/usr/lib/ocf/resource.d/heartbeat/)

2010/2/19 Angie T. Muhammad <angie.tawfik at gmail.com>

>
>
> On Fri, Feb 19, 2010 at 7:19 PM, Lior Marantenboim <liormmm at gmail.com>wrote:
>
>> Hello everyone
>>
>> I've having trouble trying to set up a simple MySQL failover (make
>> Pacemaker start it on one node, and if it shuts down, start it on the
>> other). CRM shows as if MySQL is not running but it actually is, and since
>> it doesn't see it that way, it tries to start it on the other node as well.
>> I'm using Debian Lenny, corosync 1.2.0, Pacemaker 1-0-051b78d5f321 and
>> cluster glue
>>
>> Thanks for any help!
>>
>> This is my setup:
>>
>> hpblade02:~# crm configure show
>> node hpblade01
>> node hpblade02 \
>>     attributes standby="off"
>> primitive MySQLIP ocf:heartbeat:IPaddr \
>>     params ip="10.10.99.57" cidr_netmask="32" \
>>     op monitor interval="30s" \
>>     meta target-role="Started"
>> primitive mysql ocf:heartbeat:mysql \
>>     op monitor interval="30s" timeout="60s" \
>>     meta target-role="Started"
>> location cli-prefer-mysql mysql \
>>     rule $id="cli-prefer-rule-mysql" inf: #uname eq hpblade01
>>
>> property $id="cib-bootstrap-options" \
>>     dc-version="1.0.7-051b78d5f32195bd9d83447343606211993169e7" \
>>     cluster-infrastructure="openais" \
>>     expected-quorum-votes="2" \
>>
>>     stonith-enabled="false" \
>>     no-quorum-policy="ignore" \
>>     last-lrm-refresh="1266599381"
>> rsc_defaults $id="rsc-options" \
>>     resource-stickiness="100"
>> hpblade02:~#
>>
>> And here is crm_mon output:
>>
>> hpblade02:~# crm_mon
>> Defaulting to one-shot mode
>> You need to have curses available at compile time to enable console mode
>> ============
>> Last updated: Fri Feb 19 14:16:30 2010
>> Stack: openais
>> Current DC: hpblade01 - partition with quorum
>> Version: 1.0.7-051b78d5f32195bd9d83447343606211993169e7
>> 2 Nodes configured, 2 expected votes
>> 2 Resources configured.
>> ============
>>
>> Online: [ hpblade01 hpblade02 ]
>>
>>  MySQLIP    (ocf::heartbeat:IPaddr):    Started hpblade01
>>
>> Failed actions:
>>     mysql_start_0 (node=hpblade01, call=22, rc=-2, status=Timed Out):
>> unknown exec error
>>     mysql_start_0 (node=hpblade02, call=24, rc=-2, status=Timed Out):
>> unknown exec error
>> hpblade02:~#
>>
>> With pacemaker and corosync stopped on both nodes:
>  can you successfully start / stop / check status of  MySQL manually?
>
>
>> _______________________________________________
>> Pacemaker mailing list
>> Pacemaker at oss.clusterlabs.org
>> http://oss.clusterlabs.org/mailman/listinfo/pacemaker
>>
>>
>
>
> --
> All the best,
> Angie
>
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>
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