ACFS-07780
Mirror stringat string offset string length string contains stale ACFS metadata.
Cause
fsck detected inconsistent mirrors in the specified volume for the ACFS file system.
Action
If the message was generated by fsck with the -a switch, then no further action is needed. fsck will resolve the problem. If the message was generated by fsck without the -a switch, then run fsck with the -a switch to resolve the problem. Mirror inconsistency points to problems in the storage stack below ACFS. Contact Oracle Support Services.