Re: [opensuse] About Backing Up

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The Sunday 2007-05-13 at 08:17 +1000, Registration Account wrote:

I have raised a bug because the current system back in yast only offers
an incremental backup - so if you loose the first achieve your stuffed.

I don't understand this sentence... could you clarify, please?

The reply came back and described it as a Hugh code re-write within Yast

would that be "huge"?

and it was just a font end based on ---I forgot: I suggested that the
new front end should be written around CPIO . The bug is now Assigned
for a LATER status.. - Cross you fingers everyone


I have not used yast backup in a long time. I did study it, and I have a
script somewhere that reproduces it's capability somehow.

It was based on the rpm command ability to generate a list of files that
are included in the rpm database, but which were later on modified;
parsing that list it generates a backup of those files in a modified tar
gz format (one tgz per package in a bigger tar, I think). If you combine
this with autoyast, you can recreate the system part of an install,
storing just the files that were modified.

The snag is that new configuration files that are not in any rpm are not
stored either, unless you tell it to store all files not in rpms - in
which case the backup can be huge if you forget to tell it not to include
home etcetera - and you need enough space to keep a temporary uncompressed
copy of all.

Not very usable, but that was two years ago, I don't know wht they have
improved on it.

I find all backups programs I try in linux to be lacking a lot.


PS. Yes, I also think cpio would be better than tgz. Much safer. There was
a cute backup script inlcuded in the distro around version 7 or 8, using
cpio.


- --
Cheers,
Carlos E. R.
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