# mt stat
HP DDS-4 DAT (Sun) tape drive:
sense key(0x0)= No Additional Sense residual= 0 retries= 0
file no= 0 block no= 0
mt -f /dev/rmt/0mn erase
/dev/rmt/0mn: write protected or reserved.
Getting error while ufsdump ....
--- Dumping / to /dev/rmt/0mn ---
DUMP: Date of this level 0 dump: Fri Apr 02 04:04:16 2010
DUMP: Date of last level 0 dump: the epoch
DUMP: Dumping /dev/md/rdsk/d0 /) to /dev/rmt/0mn.
DUMP: Mapping (Pass I) [regular files]
DUMP: Mapping (Pass II) [directories]
DUMP: Writing 32 Kilobyte records
DUMP: Estimated 1594010 blocks (778.33MB).
DUMP: NEEDS ATTENTION: Cannot open `/dev/rmt/0mn'. Do you want to retry the open?: ("yes" or "no") YES
DUMP: NEEDS ATTENTION: Cannot open `/dev/rmt/0mn'. Do you want to retry the open?: ("yes" or "no") YES
DUMP: NEEDS ATTENTION: Cannot open `/dev/rmt/0mn'. Do you want to retry the open?: ("yes" or "no") YES
DUMP: NEEDS ATTENTION: Cannot open `/dev/rmt/0mn'. Do you want to retry the open?: ("yes" or "no") YES