When running a DB2 backup the following error is generated.
Failed to backup Database TEPS SQL2048N An error occurred while accessing object "0". Reason code "6"
DB2DIAG file shows:
The BACKUP_IN_PROGRESS state is already on for this tablespace.
This tablespace is already in the midst of being backed up and cannot have a concurrent backup on it.
This error usually occurs after a previous backup has failed or been interrupted, leaving the DB2 database in a BACKUP_IN_PROGRESS state.
Complete this procedure as a DB2 administrator account, this procedure must be performed by a DB2 data base administrator familiar with the database and the implications of the commands.
1. run `db2_kill` to kill all hung processes.
2. run `db2start` to perform a clean restart the database engine.