Ufsdump Solaris 11

Hello, i have a solaris 11 sparc64 and Im trying to do a backup to tape. This is the display:

# ufsdump 0uf /dev/rmt/0cbn /dev/rdsk/c2t0d0s2
DUMP: Date of this level 0 dump: February 27, 2013 01:58:23 PM CET
DUMP: Date of last level 0 dump: the epoch
DUMP: Dumping /dev/rdsk/c2t0d0s2 to /dev/rmt/0cbn.
DUMP: Mapping (Pass I) [regular files]
DUMP: Mapping (Pass II) [directories]
DUMP: bread: dev_seek error: No such device or address
DUMP: Warning - directory at inode `64301' is corrupted
DUMP: SIGBUS() ABORTING!
Abort

Can you helpme please? sorry for my english. Thanks. Regards

Have you done an fsck of the UFS filesystems on that device?

Did the fsck and after reboot the system no boot :frowning:

This is the message:

Error /packages/zfs-file-system last trap: fast data access MMU miss

thanks