On Wed, 28 Jun 2000, Nigel Trivass wrote:
> Hi,
>
> I'm trying to extract the contents of a 4MM tape using dd.
>
> The tape contains backup data from a Windows NT machine. I am waiting for
> confirmation of the backup software used.
>
> Can I use dd to extract the contents of the tape?
>
> I've tried using this command
>
> dd if=/dev/st0 of=tapedata
>
> But LINUX responds
>
> dd: /dev/st0: Input/output error
> 0+0 records in
> 0+0 records out
>
> I checked that all was well with the tape drive by successfully extracting
> data from another tape containing linux backup data.
>
> We are using redhat 6, and an internal 4MM tape.
>
> Can anybody help?
>
> Cheers,
>
> Nigel
>
>
You may be out of luck, depending on the program used to make the tape.
It sure looks like the data is writen to the tape in a format that dd
cann't handle. You may be able to get around this if you know the block
size that was used, but you will still have problems trying to do
anything with the data. It is hard enough with differnet version of the
same backup software... Unless you know the format the origional backup
program used?
Mikkel
--
Do not meddle in the affairs of dragons,
for you are crunchy and taste good with ketchup.
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