[ale] Full filesystem backup to CD-R (fwd)

Michael Hirsch mhirsch at nubridges.com
Thu Jul 11 14:59:13 EDT 2002


On Thu, 2002-07-11 at 13:50, tslane at attbi.com wrote:
> I would think you could use mknod to create a pipe 
> w/backgrounded split (& possibly gzip) for mkisofs then 
> just burn & remove each split subfile.
> 
> would that not work?
> Geoffery,
> 
> Doesn't this constrain you to only backing up filesystems that are < one
> cd-r's capacity?  I'm looking for something that will recognize that it
> won't all fit on one cd and split up automatically.  I think with your
> approach, I'd have to verify each time to make sure I wasn't overfilling
> the iso.  Of course, I could be wrong.

I agree with you, you should get an actual backup tool.  If you really
want to use CDs, I've found that with ecdroast, I think it is, you can
select all the files you want to copy to CDs, then have the program
autoselect files to fit.  It seems to use a greedy algorithm, so it
isn't perfect, but pretty good.  It think it only computes per
directory, if that is the way you selected.  Then you can burn the CD
with the selected files.  After burning, remove the selected files from
the list.  Iterate the above until all files have been burned.

I've used this to make MP3 cds and it worked pretty well.  Of course, it
makes it not so easy to find each file because they are rationally
saved.

--Michael


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