Ken Moffat wrote:
> Things you might want to consider are "how often do I revert a
> change of the installed packages ?" and "how long does it take to
> notice that an upgrade gave a problem?".
I've noticed "upgrades" actually being bad within a few
minutes, on occasion :-)
I've reverted probably five or six times on my home system,
in as many years.
> For me, a series of backups kept for a week or more *mostly* caught
> the times where I had problems, but two took were more severe and
Good backups are a necessity. I don't install stuff which might
"break" my system unless I have a recent good backup. I consider
them so important, that I wrote a Hint about it.
[...]
> In any case, backups (plus a LiveCD or second system which can
> mount the affected system and revert it to the backup) seem, to me,
> to be an essential feature of looking after a system built "my way".
Well, I'd go beyond that. It essential. Full stop, no elaboration
necessary.
[...]
> As to using something that isn't in the upstream kernel to handle
> versioning of the data : it's your data ;) Do you feel lucky ?
Yes, that's why I mentioned it. I wonder why a UnionFS type of
handler hasn't made its way upstream, if they are actually robust
and useful.
> Well do ya ? In the past, I tried reiserfs3 for test data when
> development was happening, and sure enough I lost some of that data.
> That wasn't a problem, but it reinforced my belief that I want a
> *reliable* filesystem for my data. So, I was slow to move to ext4.
Yah. I'm so slow, I'm using ext3.
> If you have a *test* machine, that might be an ideal place to try
> things out. Just make sure all the *real* data is elsewhere, and
> verify the contents of backups.
For playing around, I'll do anything on a test machine, and I do have
a couple.
Mike
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