ODF/Ceph reporting clock skews

Issue

• How to resolve MON clock skew issue in OCS 4.x
• Ceph OSD node with time sync issue

• The command ceph -s showing one or more mons are out of time sync

  # ceph -s
    cluster:
      id:     1111111-2222-3333-4444-555556666666
      health: HEALTH_WARN
              clock skew detected on mon.b, mon.c 
  ...
  

• OSD fails to start with repeating message unable to obtain rotating service keys; retrying

  Jun 24 09:55:38 node-406 conmon[285430]: 2022-06-24 09:55:38.834 7f0a516cddc0 -1 osd.2 17318 unable to obtain rotating service keys; retrying
  Jun 24 09:55:44 node-406 conmon[287350]: 2022-06-24 09:55:44.308 7f2c99f5fdc0 -1 osd.26 17318 unable to obtain rotating service keys; retrying
  Jun 24 09:56:04 node-406 conmon[288107]: 2022-06-24 09:56:04.078 7f8ad797fdc0 -1 osd.14 17318 unable to obtain rotating service keys; retrying
  Jun 24 09:56:06 node-406 conmon[284444]: 2022-06-24 09:56:06.466 7ffb7a2c3dc0 -1 osd.38 17318 unable to obtain rotating service keys; retrying
  Jun 24 09:56:08 node-406 conmon[285430]: 2022-06-24 09:56:08.835 7f0a516cddc0 -1 osd.2 17318 unable to obtain rotating service keys; retrying