적수네 동네 - 질문과 답변 [ 게시물 수정 ]

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테이프 미디어로 주중에는 L2 백업을 주말에는 L1 백업을하는데요.. 
 원인모를 에러로 이번주중에 두번정도 백업이 안됬습니다.. 
 어떤 에러인지를 모르겠어서 조언을 구합니다. 
 아래는 백업 로그 파일입니다.
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  DUMP: Date of this level 2 dump: Sat Nov  9 04:30:00 2002
  DUMP: Date of last level 1 dump: Sun Nov  3 04:30:01 2002
  DUMP: Dumping /dev/sdc1 (/user) to /dev/nst0
  DUMP: Label: none
  DUMP: mapping (Pass I) [regular files]
  DUMP: mapping (Pass II) [directories]
  DUMP: estimated 447598 tape blocks.
  DUMP: Volume 1 started at: Sat Nov  9 04:31:17 2002
  DUMP: dumping (Pass III) [directories]
  DUMP: dumping (Pass IV) [regular files]
  DUMP: write error 3420 blocks into volume 1
  DUMP: fopen on /dev/tty fails: Device not configured
  DUMP: The ENTIRE dump is aborted.
  DUMP: Date of this level 2 dump: Sat Nov  9 04:33:25 2002
  DUMP: Date of last level 1 dump: Sun Nov  3 05:32:52 2002
  DUMP: Dumping /dev/sdb1 (/CVS) to /dev/nst0
  DUMP: Label: none
  DUMP: mapping (Pass I) [regular files]
  DUMP: mapping (Pass II) [directories]
  DUMP: estimated 9347 tape blocks.
  DUMP: Volume 1 started at: Sat Nov  9 04:34:25 2002
  DUMP: write error 20 blocks into volume 1
  DUMP: fopen on /dev/tty fails: Device not configured
  DUMP: The ENTIRE dump is aborted.
  DUMP: Date of this level 2 dump: Sat Nov  9 04:34:26 2002
  DUMP: Date of last level 1 dump: Sun Nov  3 05:33:23 2002
  DUMP: Dumping /dev/sdd1 (/work) to /dev/nst0
  DUMP: Label: none
  DUMP: mapping (Pass I) [regular files]
  DUMP: mapping (Pass II) [directories]
  DUMP: estimated 13051 tape blocks.
  DUMP: Volume 1 started at: Sat Nov  9 04:35:52 2002
  DUMP: write error 0 blocks into volume 1
  DUMP: fopen on /dev/tty fails: Device not configured
  DUMP: The ENTIRE dump is aborted.
  DUMP: Date of this level 2 dump: Sat Nov  9 04:35:52 2002
  DUMP: Date of last level 1 dump: Sun Oct 27 05:43:48 2002
  DUMP: Dumping /dev/sde1 (/user1) to /dev/st0
  DUMP: Label: none
  DUMP: mapping (Pass I) [regular files]
  DUMP: mapping (Pass II) [directories]
  DUMP: estimated 3352079 tape blocks.
  DUMP: Volume 1 started at: Sat Nov  9 04:39:34 2002
  DUMP: write error 20 blocks into volume 1
  DUMP: fopen on /dev/tty fails: Device not configured
  DUMP: The ENTIRE dump is aborted.
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 왜그럴까요.. ㅡ.ㅡ;