cib:couldn't open file /dev/shm/qb-cib_shm... Permission denied (13) and Pacemaker cluster fails to start
Last updated on SEPTEMBER 22, 2017
Applies to:Linux OS - Version Oracle Linux 7.0 to Oracle Linux 7.4 with Unbreakable Enterprise Kerne [4.1.12] [Release OL7 to OL7U4]
On : Oracle Linux 7.3 with Unbreakable Enterprise Kerne [4.1.12] version, Other Linux Issues or Packages
OL7.2 Server upgraded to 7.3 ,Server running Pacemaker cluster.
/dev/shm permission changed to drwxr-xr-t from drwxrwxrwt.
As a workaround you have changed permissions on this files manually, but these are cluster nodes, so you want this permission issue to be fixed permanently.
Upon reboot cib couldn't open file /dev/shm/qb-cib_shm... Permission denied (13)
messages appear in /var/log/messages..
Cluster fails to start
The issue can be reproduced at will with the following steps:
yum upgrade from OL7.2 OL7.3 and reboot
OL7.2 Server upgraded to 7.3
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