RMAN-06091: no channel allocated for maintenance (of an
appropriate type)
Answer Posted / guest
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.
Please add more information about this Error
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