[Borgbackup] Pruning Schedule Not Working as Expected

[Blu Finney]

You'll have to pardon me.  After thinking about this more I can
understand why the "snapshot" mentality really doesn't apply here.

I'll have to spend some time doing some math to get the results I'm
looking for.

Thanks for your help.


-----Original Message-----
From: Blu Finney <me at blufinney.com>
To: Elladan <elladan at eskimo.com>
Cc: borgbackup at python.org
Subject: Re: [Borgbackup] Pruning Schedule Not Working as Expected
Date: Wed, 14 Mar 2018 21:06:21 -0700

Thank you for the simple explanation.  I totally misunderstood the
documentation - I think because of my "snapshot" mindset (like good ole
sun zfs).

Here I thought "--keep-hourly 24" meant keep archives from the past 24
hours, and "--keep-minutely 60" meant keep archives from the past 60
minutes, and so on.

Is there a way to implement the snapshot mentality using "--keep-
within"?

e.g.
--keep-within 60M --keep-within 24H --keep-within 7D ...


Sorry for the sophmoric question, I'm really having a hard time
wrapping my head around the "--keep-hourly X" way of thinking in order
to achieve the results I'm looking for.


-----Original Message-----
From: Elladan <elladan at eskimo.com>
To: Blu Finney <me at blufinney.com>
Cc: borgbackup at python.org
Subject: Re: [Borgbackup] Pruning Schedule Not Working as Expected
Date: Wed, 14 Mar 2018 19:42:22 -0700

On Wed, Mar 14, 2018 at 7:01 PM, Blu Finney <me at blufinney.com> wrote:
> 
> Hi,
> 
> I've been using Borg backup since Mar 5th and am not clear why the
> pruning schedule isn't working as expected.
> 
> Details:
> - Running backup every 3 hours (8 archives created per day)
> - Pruning command used: borg prune :: --keep-within 3H --keep-
> minutely
> 60 --keep-hourly 24 --keep-daily 7 --keep-weekly 4 --keep-monthly 12
> --
> keep-yearly 1 --prefix {hostname}- --debug --stats --list
> 
> Using these prune settings I was expecting some of the 8 daily
> archives
> to have been pruned by now.  Yet none have been pruned.
> 
> Have I misunderstood or misconfigured something?

You've basically asked borg prune to do this (rules applied one after
another):

1. Keep all archives in the last 3 hours.
2. Keep the last 60 archives, but not more than one per minute.
3. Keep the last the last 24 archives, but not more than one per hour.

And so on. So basically, you've asked it to keep a very large number
of archives.
_______________________________________________
Borgbackup mailing list
Borgbackup at python.org
https://mail.python.org/mailman/listinfo/borgbackup
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 833 bytes
Desc: This is a digitally signed message part
URL: <http://mail.python.org/pipermail/borgbackup/attachments/20180314/37d8187b/attachment.sig>