ソースを表示

== 使い方 ==

=== ステータス確認 ===

 mt -f /dev/nst0 status

==== 出力例 ====

* テープが入っていない場合

 SCSI 2 tape drive:
 File number=-1, block number=-1, partition=0.
 Tape block size 0 bytes. Density code 0x0 (default).
 Soft error count since last status=0
 General status bits on (50000):
  <b>DR_OPEN</b> IM_REP_EN

; DR_OPEN
: door open (no tape)
; IM_REP_EN
: immediate report mode

* 巻き戻ったテープが入っている場合

 SCSI 2 tape drive:
 File number=0, block number=0, partition=0.
 Tape block size 512 bytes. Density code 0x26 (DDS-4 or QIC-4GB).
 Soft error count since last status=0
 General status bits on (41010000):
  <b>BOT</b> ONLINE IM_REP_EN

; BOT
: Beginning of tape. テープの先頭。

* テープが進んでいる場合

 SCSI 2 tape drive:
 File number=0, block number=66304, partition=0.
 Tape block size 512 bytes. Density code 0x26 (DDS-4 or QIC-4GB).
 Soft error count since last status=0
 General status bits on (1010000):
  ONLINE IM_REP_EN

=== dump/restore ===

dump の際は、コマンド引き数の順番に気をつけること。

 # dump -0uf /dev/st0 /dev/sde1
   DUMP: Date of this level 0 dump: Fri Feb 19 15:42:25 2010
   DUMP: Dumping /dev/sde1 (/boot) to /dev/st0
   DUMP: Label: /boot1
   DUMP: Writing 10 Kilobyte records
   DUMP: mapping (Pass I) [regular files]
   DUMP: mapping (Pass II) [directories]
   DUMP: estimated 12154 blocks.
   DUMP: Volume 1 started with block 1 at: Fri Feb 19 15:42:26 2010
   DUMP: dumping (Pass III) [directories]
   DUMP: dumping (Pass IV) [regular files]
   DUMP: Closing /dev/st0
   DUMP: Volume 1 completed at: Fri Feb 19 15:42:51 2010
   DUMP: Volume 1 12230 blocks (11.94MB)
   DUMP: Volume 1 took 0:00:25
   DUMP: Volume 1 transfer rate: 489 kB/s
   DUMP: 12230 blocks (11.94MB) on 1 volume(s)
   DUMP: finished in 15 seconds, throughput 815 kBytes/sec
   DUMP: Date of this level 0 dump: Fri Feb 19 15:42:25 2010
   DUMP: Date this dump completed:  Fri Feb 19 15:42:51 2010
   DUMP: Average transfer rate: 489 kB/s
   DUMP: DUMP IS DONE

restore で内容表示

 # restore -tf /dev/st0
 Dump   date: Fri Feb 19 15:42:25 2010
 Dumped from: the epoch
 Level 0 dump of /boot on localhost:/dev/sde1
 Label: /boot1
          2      .
         11      ./lost+found
 ...