skip bad block in QIC-150 tar

Derek Ragona derek at
Thu Nov 1 14:35:52 PDT 2007

At 02:10 PM 11/1/2007, freebsd at wrote:
>I'm trying to recover some files from a 5 yr old tar on a QIC-150 tape.
>Unfortunately, there's a bad block on the tape;
>   tar barfs and quits when it gets to it:
>tar: Unrecognized archive format: Inappropriate file type or format
>I managed to get a complete directory listing using tar t on my first
>attempt, before the tape became unreadable; it had to work at it but
>apparently managed to eventually get the block read.
>I've cleaned the tape and retried multiple times, to no avail.
>I've tried omitting the directory containing the bad block,
>but that hasn't prevented it from terminating.
>Anyone know a way to get around this?

I would try the other tar's (bsdtar, pax, etc.) and see what happens . . .

Also check the man pages and see if there is a commandline option to 
continue after error.


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