RMAN-06091: no channel allocated for maintenance
Symptoms When attempting to delete obsolete backups from RMAN using the following command: RMAN> delete obsolete; the following error occurs: RMAN-00571: =========================================================== RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS =============== RMAN-00571: =========================================================== RMAN-03002: failure of delete command at 05/07/2008 22:04:21 RMAN-06091: no channel allocated for maintenance (of an appropriate type) . Cause Tape channel had not being allocated when attempt to delete obsolete backup on tape or disk. Using the following command to verify that there are backup sets on tape. RMAN> list backup; This will show you the backup details informing you which channel device type that needs to be allocated. Solution To implement the solution, please execute the following steps: Please run the following commands to delete obsolete backup sets on both disk an