Re: [BackupPC-users] simple backup scheme, 1xfull, 6xinc
2013-10-04 15:26:03
Les Mikesell <lesmikesell AT gmail DOT com> wrote on 10/04/2013
02:20:19 PM:
> Are all of your backup runs completing every day?
That is also a great question. If your incrementals
span more than a week, there will be more than one full that they depend
on. All of the assumptions you've put in place only work if the backups
run exactly the way they're supposed to; if you do not actually *complete*
6 incrementals between your fulls, you will have more than 2 full backups!
For testing purposes, I would set FullKeepCnt to 1
and IncKeepCnt to 1; then you know that there will be only one full
that will be kept by the incremental (meaning that you will bounce between
one and two full backups).
While you're at it, set FullPeriod to 1.97 to accelerate
the testing process.
Then let it run. You should start with 1 full
after day 1, then 1 full 1 inc after day 2, then 2 full 1 inc after day
3, then 1 full 1 inc after day 4, and then alternate between those last
two states.
Another way of testing this would be to back up a
*MUCH* smaller chunk of data: say, a few GB. Then let it run
with your normal settings and confirm that everything works like it's supposed
to. Then you can expand the amount of data you back up and see how
the space is used on your backup disk to see if everything is going to
fit.
Tim Massey
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