RMAN-06091 no channel allocated for maintenance (of an appropriate type)

RMAN-06091 no channel allocated for maintenance (of an appropriate type)

Example

RMAN-00571: ===========================================================

RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============

RMAN-00571: ===========================================================

RMAN-03002: failure of delete command at 06/03/2008 23:22:20

RMAN-06091: no channel allocated for maintenance (of an appropriate type)

Details

Backups failing due to the following when running any of the following options with "delete obsolete"

RMAN> delete obsolete;

RMAN> delete noprompt obsolete;

RMAN> delete force obsolete;

Solution

Run the following to specify the device type , in this example use device type disk

RMAN> delete noprompt obsolete device type disk;

If the above fails, allocate the appropriate channel for maintenance , perform the appropriate crosschecks and delete option.
In this example the device type disk was allocated for maintenance

ALLOCATE CHANNEL FOR MAINTENANCE DEVICE TYPE DISK;

run

{

report obsolete;

CROSSCHECK BACKUP;

CROSSCHECK COPY;

DELETE EXPIRED BACKUP;

DELETE EXPIRED COPY;

delete obsolete;

}

release channel;