Brian Butler wrote:
>..
> mt -f /dev/st0 status
> /dev/st0: Device or resource busy
> 
> This is the same result as before, either with an action or with a
> non-action command.
> 
> I'm a member of group "Disk" and the same results occur as when I'm logged
> into as root.  Incidentally, Bacula is also a member of group "Disk."

Is Bacula running? If I remember correctly, some programs _can_
essentially take control of the st0 device, and mt will report busy to
avoid having some accidental interference with an ongoing backup.

You maybe can find out more with the lsof command. I can never remember
the right options, so usually do something like

  lsof | grep st0

..jim



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