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RMAN-12017: could not locate pieces of backup set key string

RMAN-12017: could not locate pieces of backup set key string
Cause: Copies of the specified backup set key could not be accessed on any of the allocated channels.
Action: Allocate additional channels on other nodes of the cluster or, if the backup pieces has been deleted, use the CROSSCHECK BACKUP command to correct the recovery catalog or target database control file entries.

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小智
RMAN-12017:无法找到备份集密钥字符串的片段,
.原因:无法在任何分配的通道上访问指定备份集密钥的副本。,
.操作:在群集的其他节点上分配其他通道,或者如果备份已删除,请使用CROSSCHECK BACKUP命令更正恢复目录或目标数据库控制文件条目。,
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