MySQL Cluster Does Not Restart Due to Ndbd File System Inconsistency Error During Startphase 4
(Doc ID 1364988.1)
Last updated on MARCH 01, 2018
Applies to:MySQL Cluster - Version 7.1 and later
Information in this document applies to any platform.
MySQL Cluster does not restart due to Ndbd file system inconsistency errors on a data node.
The entire MySQL Cluster is down.
In the Cluster Error Log we can verify that the problem occurs during the Start Phase 4 of the corrupted node (in this example Node 4):
[MgmSrvr] INFO -- Node 4: Start phase 1 completed
[MgmSrvr] INFO -- Node 3: Start phase 2 completed (system restart)
[MgmSrvr] INFO -- Node 4: Start phase 2 completed (system restart)
[MgmSrvr] INFO -- Node 3: Start phase 3 completed (system restart)
[MgmSrvr] INFO -- Node 4: Start phase 3 completed (system restart)
[MgmSrvr] ALERT -- Node 1: Node 4 Disconnected
[MgmSrvr] ALERT -- Node 4: Forced node shutdown completed. Occurred during startphase 4. Caused by error 2815: 'File not found(Ndbd file system inconsistency error, please report a bug). Ndbd file system error, restart node initial'.
An alternative error on Node 4 that will cause the same problem at cluster level is Error 2352:
After Node 4 is forced to shutdown (due to errors 2815 or 2352), the other nodes are forced to shutdown due to error 2308:
2011-10-05 15:10:40 [MgmSrvr] ALERT -- Node 3: Forced node shutdown completed. Occured during startphase 4. Caused by error 2308: 'Another node failed during system restart, please investigate error(s) on other node(s)(Restart error). Temporary error, restart node'.
As a result the entire cluster does not start.
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