redis-bundle fails to start with "Wrong signature trying to load DB from file"

Solution Verified - Updated -


  • When we try to make a failed controller(controller-2) to our controller cluster, we see that redis-bundle on the node fails to start
[heat-admin@controller-0 ~]$ sudo pcs status

Full list of resources:
 Docker container set: redis-bundle []
   redis-bundle-0   (ocf::heartbeat:redis): Master controller-0
   redis-bundle-1   (ocf::heartbeat:redis): Slave controller-1
   redis-bundle-2   (ocf::heartbeat:redis): Stopped controller-2

Failed Actions:
* redis_start_0 on redis-bundle-2 'not running' (7): call=8, status=complete, exitreason='',
    last-rc-change='Wed Oct  1 12:34:56 2019', queued=0ms, exec=800ms
  • In /var/log/containers/redis/redis.log, we found the following error
98:M 01 Oct 12:34:56.789 # Wrong signature trying to load DB from file
98:M 01 Oct 12:34:56.789 # Fatal error loading the DB: Invalid argument. Exiting.


  • Red Hat OpenStack Platform 13

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