[Pacemaker] Master Slave resource

[Andrew Beekhof]

On Wed, Dec 8, 2010 at 12:26 PM, ruslan usifov <ruslan.usifov at gmail.com> wrote:
> hello
>
> I have 2 node cluster with follow conf:
> node storage0
> node storage1
> primitive drbd_web ocf:linbit:drbd \
>         params drbd_resource="web" \
>         op monitor interval="30s" timeout="60s"
> primitive iscsi_ip ocf:heartbeat:IPaddr2 \
>         params ip="192.168.17.19" nic="eth1:1" cidr_netmask="24" \
>         op monitor interval="10s" \
>         meta target-role="Started"
> primitive iscsi_web_target ocf:heartbeat:iSCSITarget \
>         params iqn="iqn.2010-06.playrix.local:san.web" implementation="iet"
> \
>         op monitor interval="10s" timeout="30s" depth="0" \
>         meta target-role="Started"
> primitive iscsi_web_target_lun1 ocf:heartbeat:iSCSILogicalUnit \
>         params lun="1" path="/dev/drbd1"
> target_iqn="iqn.2010-06.playrix.local:san.web" implementation="iet" \
>         op monitor interval="10s" timeout="30s"
> group iscsi iscsi_ip iscsi_web_target iscsi_web_target_lun1
> ms ms_drbd_web drbd_web \
>         meta master-max="1" master-node-max="1" clone-max="2"
> clone-node-max="1" notify="true" target-role="Started"
> colocation iscsi_on_drbd inf: ms_drbd_web:Master iscsi
> order iscsi_target_after_drbd inf: ms_drbd_web:promote iscsi_web_target
> order iscsi_target_lun_after_iscsi_target inf: iscsi_web_target
> iscsi_web_target_lun1
> property $id="cib-bootstrap-options" \
>         dc-version="1.0.10-b0266dd5ffa9c51377c68b1f29d6bc84367f51dd" \
>         cluster-infrastructure="openais" \
>         expected-quorum-votes="2" \
>         stonith-enabled="false" \
>         no-quorum-policy="ignore"
> rsc_defaults $id="rsc-options" \
>         resource-stickiness="100"
>
>
> after some throbles with pacemaker(segfault in older version in ubuntu) I
> can not get to work ms_drbd_web. It always show only slaves status:

This says only promote drbd where iscsi group is running:
    colocation iscsi_on_drbd inf: ms_drbd_web:Master iscsi

And since its only partially active, drbd wont be made a master.
Perhaps you want:
    colocation iscsi_on_drbd inf: iscsi ms_drbd_web:Master

> ============
> Last updated: Tue Dec  7 14:00:13 2010
> Stack: openais
> Current DC: storage0 - partition with quorum
> Version: 1.0.10-b0266dd5ffa9c51377c68b1f29d6bc84367f51dd
> 2 Nodes configured, 2 expected votes
> 2 Resources configured.
> ============
>
> Online: [ storage1 storage0 ]
>
>  Master/Slave Set: ms_drbd_web
>      Slaves: [ storage0 storage1 ]
>  Resource Group: iscsi
>      iscsi_ip   (ocf::heartbeat:IPaddr2):       Started storage1
>      iscsi_web_target   (ocf::heartbeat:iSCSITarget):   Started storage1
>      iscsi_web_target_lun1      (ocf::heartbeat:iSCSILogicalUnit):
> Stopped
>
> Failed actions:
>     iscsi_web_target_lun1_monitor_0 (node=storage0, call=5, rc=5,
> status=complete): not installed
>     iscsi_web_target_monitor_0 (node=storage0, call=4, rc=5,
> status=complete): not installed
>     iscsi_web_target_lun1_start_0 (node=storage1, call=13, rc=1,
> status=complete): unknown error
>
> but no split brain situation(nothing about in logs)
> If i do master selection myself,
>
> drbdadm -- --overwrite-data-of-peer primary all
>
> pacemaker still switch move to [Slave, Slave]
>
> I found follow errors in my corosync.log:
>
> ERROR: clone_rsc_order_rh_non_clone: Unknown action:
> iscsi_web_target_demote_0
>
>
> What i do wrong, and how can i restore drdb to work?
>
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>
>