The Redis service remains blocked in Stopped state in controller node

Solution Verified - Updated -

Issue

After controller-2 rebooted, cluster service redis is not able to start. Last log from redis is SIGTERM scheduling shutdown...

  • /var/log/redis/redis.log

    93669:signal-handler (1576504751) Received SIGTERM scheduling shutdown...
    93669:M 16 Dec 14:59:11.447 # User requested shutdown...
    93669:M 16 Dec 14:59:11.447 * Saving the final RDB snapshot before exiting.
    93669:M 16 Dec 14:59:11.455 * DB saved on disk
    93669:M 16 Dec 14:59:11.455 * Removing the unix socket file.
    93669:M 16 Dec 14:59:11.456 # Redis is now ready to exit, bye bye...
    
  • Cluster status

    pcs status
    
    Cluster name: tripleo_cluster
    Stack: corosync
    Current DC: ctr1- (version 1.1.18-11.el7_5.3-2b07d5c5a9) - partition with         
    quorum
    Last updated: Fri Feb 14 16:54:46 2020
    Last change: Fri Feb 14 15:55:47 2020 by root via crm_resource on ctr2-
    
    3 nodes configured
    23 resources configured
    
    Online: [ ctr0- ctr1- ctr2- ]
    
    Full list of resources:
    
     ip- (ocf::heartbeat:IPaddr2):       Started ctr1-
     Clone Set: haproxy-clone [haproxy]
     Started: [ ctr0- ctr1- ctr2- ]
     Master/Slave Set: galera-master [galera]
     Masters: [ ctr0- ctr1- ctr2- ]
     ip-xxx.xxx.83.250      (ocf::heartbeat:IPaddr2):       Started ctr0-
     ip-xxx.xxx..81.250      (ocf::heartbeat:IPaddr2):       Started ctr1-
     ip-xxx.xxx.81.251      (ocf::heartbeat:IPaddr2):       Started ctr0-
    Clone Set: rabbitmq-clone [rabbitmq]
     Started: [ ctr0- ctr1- ctr2- ]
     ip-xxx.xxx.82.250      (ocf::heartbeat:IPaddr2):       Started ctr1-
    Master/Slave Set: redis-master [redis]
    Masters: [ ctr1- ]
    Slaves: [ ctr0- ]
    Stopped: [ ctr2- ]
    

Environment

Red Hat OpenStack Platform 10

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