Re: Packet writing and backups (was: Re: program for backing up data)
On Tue, May 20 2003, Rogério Brito wrote:
> On May 19 2003, Nirmal Govind wrote:
> > Hi.. is there a free program for backing up specific folders on the
> > hard disk onto a CD or external hard disk? I mean something that
> > doesn't overwrite files that haven't changed etc. and only makes the
> > necessary addition/deletion/replacement...
>
> This thread is quite appropriate, as I've currently looking
> for ways to automate more and more of my tasks.
>
> I'm also looking to *wisely* use tools to lower the effort
> sufficient to restore data in a crash-recovery situation
> and making my data cleaner/cross-platform as well as
> generating portable backups are both vital parts of my plan.
>
> I want to make backups of files that are not very much
> compressible (mpeg files, for instance) and that potentially
> span multiple CD-RWs.
>
> The closest to the ideal situation that I found was to use my
> CD-RW with packet writing tools. This way, I think that I can
> just use tar with its multivolume switch (-M) and backup the
> way I want.
>
> If, on the other hand, one wishes to use the CD-RW as a live
> filesystem for day-to-day work, I would think that rsync would
> do the trick.
>
> More information about packet writing can be found at
> <http://packet-cd.sourceforge.net/> and recent patches at
> <http://w1.894.telia.com/~u89404340/patches/packet/2.4/>. User
> space tools are already packaged for Debian in form of the
> udftools package.
>
> I am compiling my kernel (on i386) with packet writing support
> right now and I'll keep the list posted on the results I get.
> I'd appreciate if other people did the same.
Sounds interesting, I'd love to hear how well pktcdvd works for
something like that today. I haven't tested on ppc hardware, I suppose I
should know that I have a superdrive enabled beast...
--
Jens Axboe
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