using tar with DAT drives

Paul Civati paul at xciv.org
Fri Jun 1 11:04:44 BST 2001


Ian Pallfreeman <ip at mcc.ac.uk> wrote:

> The ``dump'' utility's counterpart, ``restore'', figures out the
> block size for itself. Yet another reason to use dump/restore
> rather than tar for real whole-partition backups.

dump(8) also allows you to specify the size of the media explicitly:

  -B records
          The number of 1 KB blocks per volume.  This option overrides
          the calculation of tape size based on length and density.

-Paul-




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