On Thu, Mar 22, 2007 at 09:46:39AM +0100, Adolf Markus Berthold wrote:
> This is a blocksize problem. I had the same problem with
> package version 2.5.1p1-2.1 and a HP DAT72 usb drive.

What about specifying `mt -f /dev/nst0 setblk 512' in a pre-script
before backup ?

The default is AFAIK 0, which means `take the I/O size provided by 
size of write(2) as block size'.

Using 512 means it will work with any block size which is a multiple of
512. It may be a little less efficient than full-blown block sizes but
it will also help with the absence of padding (tar pads at least 10240
bytes by default).



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