How to Recreate MGMTDB Database in 19c GI

This post demonstrates how to drop and recreate the 19c MGMTDB in a couple of minutes.

Check MGMTDB Current Status

[grid@racnode1 ~]$ srvctl status mgmtdb
Database is enabled
Instance -MGMTDB is running on node racnode1

Stop ora.crf Resource on All Nodes

[root@racnode1 ~]# /u01/app/19.0.0/grid/bin/crsctl stop res ora.crf -init
CRS-2673: Attempting to stop 'ora.crf' on 'racnode1'
CRS-2677: Stop of 'ora.crf' on 'racnode1' succeeded
[root@racnode1 ~]#
[root@racnode2 ~]# /u01/app/19.0.0/grid/bin/crsctl stop res ora.crf -init
CRS-2673: Attempting to stop 'ora.crf' on 'racnode2'
CRS-2677: Stop of 'ora.crf' on 'racnode2' succeeded
[root@racnode2 ~]#

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Check MGMTDB Status after Recreation

[grid@racnode1 ~]$ srvctl status mgmtdb
Database is enabled
Instance -MGMTDB is running on node racnode2