[ClusterLabs] Why Won't Resources Move?

Eric Robinson eric.robinson at psmnv.com
Wed Aug 1 03:49:23 UTC 2018


I have what seems to be a healthy cluster, but I can't get resources to move.

Here's what's installed...

[root at 001db01a cluster]# yum list installed|egrep "pacem|coro"
corosync.x86_64                  2.4.3-2.el7_5.1                 @updates
corosynclib.x86_64               2.4.3-2.el7_5.1                 @updates
pacemaker.x86_64                 1.1.18-11.el7_5.3               @updates
pacemaker-cli.x86_64             1.1.18-11.el7_5.3               @updates
pacemaker-cluster-libs.x86_64    1.1.18-11.el7_5.3               @updates
pacemaker-libs.x86_64            1.1.18-11.el7_5.3               @updates

Cluster status looks good...

[root at 001db01b cluster]# pcs status
Cluster name: 001db01ab
Stack: corosync
Current DC: 001db01b (version 1.1.18-11.el7_5.3-2b07d5c5a9) - partition with quorum
Last updated: Wed Aug  1 03:44:47 2018
Last change: Wed Aug  1 03:22:18 2018 by root via cibadmin on 001db01a

2 nodes configured
11 resources configured

Online: [ 001db01a 001db01b ]

Full list of resources:

p_vip_clust01  (ocf::heartbeat:IPaddr2):       Started 001db01b
p_azip_clust01 (ocf::heartbeat:AZaddr2):       Started 001db01b
Master/Slave Set: ms_drbd0 [p_drbd0]
     Masters: [ 001db01b ]
     Slaves: [ 001db01a ]
Master/Slave Set: ms_drbd1 [p_drbd1]
     Masters: [ 001db01b ]
     Slaves: [ 001db01a ]
p_fs_clust01   (ocf::heartbeat:Filesystem):    Started 001db01b
p_fs_clust02   (ocf::heartbeat:Filesystem):    Started 001db01b
p_vip_clust02  (ocf::heartbeat:IPaddr2):       Started 001db01b
p_azip_clust02 (ocf::heartbeat:AZaddr2):       Started 001db01b
p_mysql_001    (lsb:mysql_001):        Started 001db01b

Daemon Status:
  corosync: active/disabled
  pacemaker: active/disabled
  pcsd: active/enabled

Constraints look like this...

[root at 001db01b cluster]# pcs constraint
Location Constraints:
Ordering Constraints:
  promote ms_drbd0 then start p_fs_clust01 (kind:Mandatory)
  promote ms_drbd1 then start p_fs_clust02 (kind:Mandatory)
  start p_fs_clust01 then start p_vip_clust01 (kind:Mandatory)
  start p_vip_clust01 then start p_azip_clust01 (kind:Mandatory)
  start p_fs_clust02 then start p_vip_clust02 (kind:Mandatory)
  start p_vip_clust02 then start p_azip_clust02 (kind:Mandatory)
  start p_vip_clust01 then start p_mysql_001 (kind:Mandatory)
Colocation Constraints:
  p_azip_clust01 with p_vip_clust01 (score:INFINITY)
  p_fs_clust01 with ms_drbd0 (score:INFINITY) (with-rsc-role:Master)
  p_fs_clust02 with ms_drbd1 (score:INFINITY) (with-rsc-role:Master)
  p_vip_clust01 with p_fs_clust01 (score:INFINITY)
  p_vip_clust02 with p_fs_clust02 (score:INFINITY)
  p_azip_clust02 with p_vip_clust02 (score:INFINITY)
  p_mysql_001 with p_vip_clust01 (score:INFINITY)
Ticket Constraints:

But when I issue a move command, nothing at all happens.

I see this in the log on one node...

Aug 01 03:21:57 [16550] 001db01b        cib:     info: cib_perform_op:  ++ /cib/configuration/constraints:  <rsc_location id="cli-prefer-ms_drbd0" rsc="ms_drbd0" role="Started" node="001db01a" score="INFINITY"/>
Aug 01 03:21:57 [16550] 001db01b        cib:     info: cib_process_request:     Completed cib_modify operation for section constraints: OK (rc=0, origin=001db01a/crm_resource/4, version=0.138.0)
Aug 01 03:21:57 [16555] 001db01b       crmd:     info: abort_transition_graph:  Transition aborted by rsc_location.cli-prefer-ms_drbd0 'create': Configuration change | cib=0.138.0 source=te_update_diff:456 path=/cib/configuration/constraints complete=true

And I see this in the log on the other node...

notice: p_drbd1_monitor_60000:69196:stderr [ Error signing on to the CIB service: Transport endpoint is not connected ]

Any thoughts?

--Eric



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