RMAN-06091: no channel allocated for maintenance (of an appropriate type)
Cause: A command was entered that requires a maintenance channel, and no maintenance channel is allocated, or none of the appropriate type.
Action: Use ALLOCATE CHANNEL FOR MAINTENANCE before deleting backup pieces, or using the CROSSCHECK or DELETE EXPIRED commands. Proxy copies require a non-DISK channel.
RMAN-06092
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RMAN-06091no channel allocated for maintenance (of an appropriate type)