Hi there,

On Wed, 23 Aug 2023, Kirby wrote:

I am running BackupPC-4.4.0-1.el8.x86_64 on an up-to-date CentOS Stream
release 8 system. This system has been runing since early 2015 with
updates, both hardware and software. Things work wonderfully, one might
say too good. It seems old backups are not going away.

I have the following in my config.pl -
$Conf{FullPeriod} = '6.97';

$Conf{FullKeepCnt} = [
 4, 0, 3, 0, 2, 0, 1
];

My understanding is that this should keep at most 10 backups distributed
across the last 64 weeks (448 days). Instead a I have hosts with 60 full
weekly backups going back over 500 days. Am I misunderstanding the
FullKeepCnt option?

I don't know if this is your issue, but in config.pl did you see this?

8<--------------------------------------------------------------------------
# There are two reasons you will want a non-zero $Conf{FillCycle} setting
# when you are only doing incrementals:
#
# - a filled backup is a starting point for merging deltas when you restore
#   or view backups.  So having periodic filled backups makes it more
#   efficient to view or restore older backups.
#
# - more importantly, in V4+, deleting backups is done based on Fill/Unfilled,
#   not whether the original backup was full/incremental.  If there aren't any
#   filled backups (other than the most recent), then the $Conf{FullKeepCnt}
#   and related settings won't have any effect.
8<--------------------------------------------------------------------------

--

73,
Ged.


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