[Pacemaker] Configuration help.

[James FLatten]

Never mind.  I re-did my cluster fail-over tests and I did not see this 
behavior.  It is possible that I caught the cluster during a DRBD re-sync.

Thank you,
-Davin

On 02/15/2012 11:35 AM, James FLatten wrote:
> I hope this mess makes sense!  My current setup looks like this:
>
>     nodea                 nodeb
> +-----------+ +-----------+
> |      eth0 |---------| eth0      |
> |      eht1 |---------| eth1      |
> |      eth2 |--+  +---| eth2      |
> |           |  |  |   |           |
> |           |  +------| ilo       |
> |       ilo |-----+   |           |
> +-----------+         +-----------+
>
> (bad ascii art!)
>
> I have crossed connected the HP iLO3 interfaces and setup stonith on 
> each node.  This works well but for the scenario of complete loss of a 
> node.  I would like to configure the cluster so it behaves like so:
>
> Secondary complete failure (Power completely gone)
>
> nodea(P) --- nodeb(S)
> nodea(P) --- (gone)
>
> result: nodea remains primary, services are *not* interrupted
>
> Primary complete failure (Power completely gone)
>
> nodea(P) --- nodeb(S)
> (gone)   --- nodeb(S)
> -- administrator intervention --
> (gone)   --- nodeb(P)
>
> result: Services can be restored after admin confirms primary is 
> indeed gone.
>
> Is this possible with my setup?
>
> Here is my current config:
>
> node nodea \
>     attributes standby="off"
> node nodeb \
>     attributes standby="off"
> primitive ClusterIP ocf:heartbeat:IPaddr2 \
>     params ip="192.168.1.3" cidr_netmask="32" \
>     op monitor interval="30s"
> primitive datafs ocf:heartbeat:Filesystem \
>     params device="/dev/drbd0" directory="/data" fstype="ext3" \
>     meta target-role="Started"
> primitive drbd0 ocf:linbit:drbd \
>     params drbd_resource="drbd0" \
>     op monitor interval="31s" role="Slave" \
>     op monitor interval="30s" role="Master"
> primitive drbd1 ocf:linbit:drbd \
>     params drbd_resource="drbd1" \
>     op monitor interval="31s" role="Slave" \
>     op monitor interval="30s" role="Master"
> primitive fence-nodea stonith:fence_ipmilan \
>     params pcmk_host_list="nodeb" ipaddr="xxx.xxx.xxx.xxx" 
> login="xxxxxxx" passwd="xxxxxxxx" lanplus="1" timeout="4" auth="md5" \
>     op monitor interval="60s"
> primitive fence-nodeb stonith:fence_ipmilan \
>     params pcmk_host_list="nodea" ipaddr="xxx.xxx.xxx.xxx" 
> login="xxxxxxx" passwd="xxxxxxxx" lanplus="1" timeout="4" auth="md5" \
>     op monitor interval="60s"
> primitive httpd ocf:heartbeat:apache \
>     params configfile="/etc/httpd/conf/httpd.conf" \
>     op monitor interval="1min"
> primitive patchfs ocf:heartbeat:Filesystem \
>     params device="/dev/drbd1" directory="/patch" fstype="ext3" \
>     meta target-role="Started"
> group web datafs patchfs ClusterIP httpd
> ms drbd0clone drbd0 \
>     meta master-max="1" master-node-max="1" clone-max="2" 
> clone-node-max="1" notify="true" target-role="Master"
> ms drbd1clone drbd1 \
>     meta master-max="1" master-node-max="1" clone-max="2" 
> clone-node-max="1" notify="true" target-role="Master"
> location fence-on-nodea fence-nodea \
>     rule $id="fence-on-nodea-rule" -inf: #uname ne nodea
> location fence-on-nodeb fence-nodeb \
>     rule $id="fence-on-nodeb-rule" -inf: #uname ne nodeb
> colocation datafs-with-drbd0 inf: web drbd0clone:Master
> colocation patchfs-with-drbd1 inf: web drbd1clone:Master
> order datafs-after-drbd0 inf: drbd0clone:promote web:start
> order patchfs-after-drbd1 inf: drbd1clone:promote web:start
> property $id="cib-bootstrap-options" \
>     dc-version="1.1.6-3.el6-a02c0f19a00c1eb2527ad38f146ebc0834814558" \
>     cluster-infrastructure="openais" \
>     expected-quorum-votes="2" \
>     stonith-enabled="false" \
>     no-quorum-policy="ignore" \
>     last-lrm-refresh="1328556424"
> rsc_defaults $id="rsc-options" \
>     resource-stickiness="100"
>
> Is this possible?
>
> Thank you,
> Davin
>
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