DFS0420A DBD dbdname STOPPED --- PREVIOUS WRITE ERROR DETECTED.
Explanation
Restart processing found a database that previously incurred a write error. If you recovered the database, issue a /DBR DB dbdname, UPDATE DB NAME(name) STOP(ACCESS)1, /START DB, or an UPDATE DB START(ACCESS) command. If you did not recover the database, it must be recovered before the database is restarted or the data integrity can be lost.
1 These
commands do not automatically issue checkpoints unless OPTION(FEOV) is
specified.
System action
Processing continues.
Operator response
(master terminal) Notify the system programmer. If the database has been recovered before restart, start the database with the /DBR and /START DB commands or UPDATE DB NAME(dbdname) STOP(ACCESS) and UPDATE DB NAME(dbdname) START(ACCESS). If recovery has not been done, wait until recovery is performed before starting the database.Programmer response
Perform a database recovery before IMS restart. Ensure that the database has been recovered before restarting it.