Re: Data recovery from corrupted tapes

Pete Gonzalez <[email protected]> Sun, 29 Dec 2002 07:48:20 -0500
Newsgroups gmane.linux.tape
Message-ID <[email protected]>
At 05:33 PM 12/28/2002, you wrote:
>On Fri, 27 Dec 2002, Pete Gonzalez wrote:
>
>For the ftape drives, error checking and recovery are done in software
>by the driver.  The tape is read in 10K blocks, which consist of 512 byte
>sectors.  There are extra (2, I think) sectors in each block which allow
>reconstruction of sectors which have CRC errors.  This is from the last time I
>looked at the source.  It is certainly possible to get the raw sectors 
>from the
>damaged tape, but someone will have to go to the source to see whether 
>there is
>already an option for this.

Yeah, this is what I was looking for.  I was hoping a developer
(Claus-Justus Heine?) would respond, but apparently development
was abandoned a long time ago.  (?)  Are there any people reading
this list who are familiar with the source code?

Cheers,
-Pete

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