[Pacemaker] Two slave nodes, neither will promote to Master

Andreas Kurz andreas at hastexo.com
Mon Jun 25 16:11:56 UTC 2012


On 06/25/2012 05:48 PM, Regendoerp, Achim wrote:
> Hi,
> 
> I'm currently looking at two VMs which are supposed to mount a drive in
> a given directory, depending on who's the master. This was decided above
> me, therefore no DRBD stuff (which would've made things easier), but
> still using corosync/pacemaker to do the cluster work.
> 
> As it is currently, both nodes are online and configured, but none are
> switching to Master. In lack of a DRBD resource, I tried using the Dummy
> Pacemaker. If that's not the correct RA, please enlighten me on this too.

Well, if you don't need DRBD anymore remove its configuration including
order/colocation constraints from the cluster configuration.

Regards,
Andreas

-- 
Need help with Pacemaker?
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> 
> Below's the current config:
> 
> node NODE01 \
>         attributes standby="off"
> node NODE02 \
>         attributes standby="off"
> primitive clusterIP ocf:heartbeat:IPaddr2 \
>         params ip="10.64.96.31" nic="eth1:1" \
>         op monitor on-fail="restart" interval="5s"
> primitive clusterIParp ocf:heartbeat:SendArp \
>         params ip="10.64.96.31" nic="eth1:1"
> primitive fs_nfs ocf:heartbeat:Filesystem \
>         params device="/dev/vg_shared/lv_nfs_01" directory="/shared"
> fstype="ext4" \
>         op start interval="0" timeout="240" \
>         op stop interval="0" timeout="240" on-fail="restart"
> primitive ms_dummy ocf:pacemaker:Dummy \
>         op start interval="0" timeout="240" \
>         op stop interval="0" timeout="240" \
>         op monitor interval="15" role="Master" timeout="240" \
>         op monitor interval="30" role="Slave" on-fail="restart" timeout-240
> primitive nfs_share ocf:heartbeat:nfsserver \
>         params nfs_ip="10.64.96.31" nfs_init_script="/etc/init.d/nfs"
> nfs_shared_infodir="/shared/nfs" nfs_notify_cmd="/sbin/rpc.statd" \
>         op start interval="0" timeout="240" \
>         op stop interval="0" timeout="240" on-fail="restart"
> group Services clusterIP clusterIParp fs_nfs nfs_share \
>         meta target-role="Started" is-managed="true"
> multiple-active="stop_start"
> ms ms_nfs ms_dummy \
>         meta target-role="Master" master-max="1" master-node="1"
> clone-max="2" clone-node-max="1" notify="true"
> colocation services_on_master inf: Services ms_nfs:Master
> order fs_before_services inf: ms_nfs:promote Services:start
> property $id="cib-bootstrap-options" \
>         dc-version="1.1.6-3.el6-a02c0f19a00c1eb2527ad38f146ebc0834814558" \
>         cluster-infrastructure="openais" \
>         expected-quorum-votes="2" \
>         no-quorum-policy="ignore" \
>         stonith-enabled="false"
> rsc_defaults $id="rsc-options" \
>         resource-stickiness="200"
> 
> These are the installed packages
> 
> cluster-glue-1.0.5-2.el6.x86_64
> cluster-glue-libs-1.0.5-2.el6.x86_64
> clusterlib-3.0.12.1-23.el6_2.1.x86_64
> corosync-1.4.1-4.el6_2.2.x86_64
> corosynclib-1.4.1-4.el6_2.2.x86_64
> pacemaker-1.1.6-3.el6.x86_64
> pacemaker-cli-1.1.6-3.el6.x86_64
> pacemaker-cluster-libs-1.1.6-3.el6.x86_64
> pacemaker-libs-1.1.6-3.el6.x86_64
> resource-agents-3.9.2-7.el6.x86_64
> 
> running on CentOS 6.
> 
> If anyone has any idea/suggestion/input/etc. I'd be grateful.
> 
> Cheers,
> 
> Achim
> 
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