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Date: Mon, 11 Jun 2001 15:32:11 -0700
From: Flemming Froekjaer <flemming@froekjaer.org>
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Subject: Backup to DLT drive
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I'm trying to do a dump to a 35 GB DLT drive. The filesystem is only
about 1.6 GB, but dump claimes it needs around 40 tapes for the backup.
What am I doing wrong?

> dump -f /dev/nrsa0 /usr
  DUMP: Date of this level 0 dump: Mon Jun 11 23:13:53 2001
  DUMP: Date of last level 0 dump: the epoch
  DUMP: Dumping /dev/amrd0s1f (/usr) to /dev/nrsa0
  DUMP: mapping (Pass I) [regular files]
  DUMP: mapping (Pass II) [directories]
  DUMP: estimated 1613523 tape blocks on 40.99 tape(s).
  DUMP: dumping (Pass III) [directories]
  DUMP: dumping (Pass IV) [regular files]
  DUMP: Closing /dev/nrsa0
  DUMP: Change Volumes: Mount volume #2
  DUMP: Is the new volume mounted and ready to go?: ("yes" or "no") no
  DUMP: Do you want to abort?: ("yes" or "no") yes
  DUMP: The ENTIRE dump is aborted.

> df
Filesystem    1K-blocks     Used    Avail Capacity  Mounted on
/dev/amrd0s1a     99183    35952    55297    39%    /
/dev/amrd0s1f  16202701  1444110 13462375    10%    /usr
/dev/amrd0s1e     39647     2628    33848     7%    /var
procfs                4        4        0   100%    /proc

And this should be the relevant part of dmesg.
sa0 at ahc1 bus 0 target 5 lun 0
sa0: <QUANTUM DLT7000 2565> Removable Sequential Access SCSI-2 device
sa0: 20.000MB/s transfers (10.000MHz, offset 15, 16bit)

\Flemming


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