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

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rman删除过期备份时遇到RMAN-06091,MOS[ID 567555.1]记录了这个问题。

Encountered RMAN-03002 and RMAN-06091 when Deleting Obsolete Backups [ID 567555.1]

RMAN> delete obsolete;

Backup Set 14178 03-NOV-11
Backup Piece 14178 03-NOV-11 BE_thmqp0ha_1_1

RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of delete command at 11/14/2011 18:13:02
RMAN-06091: no channel allocated for maintenance (of an appropriate type)

RMAN> list backup;
BS Key Size       Device Type Elapsed Time Completion Time
------- ---------- ----------- ------------ ---------------
14411   257.00M    SBT_TAPE    00:00:06     13-NOV-11
        BP Key: 14411   Status: AVAILABLE Compressed: NO Tag: TAG20111113T050047
        Handle: BE_4smrhb1n_1_1   Media:

只删除disk上的RMAN备份

RMAN> allocate channel for maintenance type disk;

RMAN> delete obsolete device type disk;

RMAN> delete obsolete;

链接：http://blog.csdn.net/lwei_998/article/details/6969689

http://diandiandiandididi.blogbus.com/logs/63425209.html

http://blog.sina.com.cn/s/blog_7643a1bf0100w1sj.html