Re: [Dump-users] dump & cdrecord

[Stelian P. <st...@po...>]

On Mon, Dec 20, 2004 at 09:01:53AM -0500, David Gesswein wrote:

> > Personnaly I don't directy use a fifo but dump into a temp
> > file which I burn afterwards, and this always worked for me. I don't
> > see how this could change something for you but still, you may want
> > to try it.
> > 
> Do you then burn it as an ISO file system so the file you are duming
> shows up as a file on the CD?  If so thats the difference. 

No, I burn as the dump as an ISO image, which will get automatically
padded by cdrecord to the multiple of the cd block size (I guess).

>> The cdrecord
> method I used is writing raw data so you can't mount it.  The -pad adds
> extra 0's to the end of the track so dump will read extra data.  If you 
> are writing it as a file it will be read as the correct length.
> 
> Can dumps data structure deal with finding extra junk at the end of a volume?
> If not I don't see how the method I used based on the example could work.

That's what the restore -V option is there for. 

Correction: looking at the source I see that -V is used only when 
reading multi-volume *compressed* dumps (and indeed, this is what I
use myself). I wonder whether uncompressed dumps need a special treatement
or not...

> 
> I will also look at the shunt program suggested.
> 
> > Anther thing you could try is extracting with 'restore -rf' instead
> > of the interactive mode. The code is a bit different, maybe there
> > is something there.
> > 
> Does this really need a clean partition?  

No, a clean directory only, it will extract all the dump into the current
directory.

Stelian.
-- 
Stelian Pop <st...@po...>