IV99554: CTDBD FAILS TO START WITH UNABLE TO SET SCHEDULER TO SCHED_FIFO

APAR status

• Closed as duplicate of another APAR.

Error description

• The gpfs-ctdb service fails to start due to the failure
  of systemd to allocate a real-time CPU budget for the
  ctdb
  daemon.
  
  # mmces service start smb
  Redirecting to /bin/systemctl start  gpfs-ctdb.service
  Job for gpfs-ctdb.service failed because the control
  process exited with error code. See "systemctl status
  gpfs-ctdb.service" and "journalctl -xe" for details.
  mmcesop: Command failed. Examine previous error messages
  to determine cause.
  mmces service: Command failed. Examine previous error
  messages to determine cause.
  
  # systemctl status gpfs-ctdb.service
  ● gpfs-ctdb.service - CTDB
   Loaded: loaded
  (/usr/lib/systemd/system/gpfs-ctdb.service; disabled;
  vendor preset: disabled)
   Active: failed (Result: exit-code) since Thu 2017-08-17
  10:57:39 BST; 8s ago
  Process: 7646 ExecStart=/usr/lpp/mmfs/bin/ctdbd_wrapper
  /run/ctdb/ctdbd.pid start (code=exited, status=1/FAILURE)
  
  ctdbd[7658]: Created PID file /run/ctdb/ctdbd.pid
  ctdbd[7658]: Removed stale socket
  /var/run/ctdb/ctdbd.socket
  ctdbd[7658]: Listening to ctdb socket
  /var/run/ctdb/ctdbd.socket
  ctdbd[7658]: Unable to set scheduler to SCHED_FIFO
  (Operation not permitted)
  ctdbd[7658]: CTDB daemon shutting down
  ctdbd_wrapper[7646]: CTDB exited during initialisation -
  check logs.
  systemd[1]: gpfs-ctdb.service: control process exited,
  code=exited status=1
  systemd[1]: Failed to start CTDB.
  systemd[1]: Unit gpfs-ctdb.service entered failed state.
  systemd[1]: gpfs-ctdb.service failed.
  

Local fix

Problem summary

Problem conclusion

Temporary fix

Comments

• This APAR is a duplicate of IV99555
  

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

Fix information

Applicable component levels