RE: Help - recovering without amanda
2003-12-02 08:50:31
> I always restore to a temp space, just in case.
I should have done this...I never do direct restores...ugh
>
> > # mt rewind
> > # mt fsf 1
> > # dd if=/dev/rmt/0hn bs=1 skip=1 | /usr/local/bin/tar -xf -
> ^
> Bad. It should be bs=32k, as above (and as in the header you
> got running
> the first command). Also, an even safer way is to not do the pipe:
>
> dd if=/dev/rmt/0hn bs=32k skip=1 of=output.file
>
> Then you can do 'tar t' on the output file to get a table of
> contents and *really* make sure it's what you want.
The bs=1 was a typo...I can't cut and paste because this box is on a
test LAN that's not even getting out the door...my bad. But skipping the
pipe is a good suggestion.
>
> Here's a brief summary. Amanda stores several files on a
> tape. The first
> is the tape header. That's what you skip over with 'mt fsf
> 1'. The next
> file is the first dump image. The next is the second image,
> etc. Each
> dump image has a 32k amanda header, and then the image.
>
> The dd command with with 'bs=32k skip=1' reads the whole
> file, skipping
> over the first 32k -- the amanda header. It stops when it
> hits EOF of
> that dump image. If you run the exact same dd command again,
> you'll grab
> the next backup image.
>
Thanks...I'll keep plugging away...
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