Hi,
Les Mikesell wrote on 2011-09-12 07:49:14 -0500 [Re: [BackupPC-users] bakuppc
is not running.]:
> On Mon, Sep 12, 2011 at 12:04 AM, Adi Spivak <adispi AT compulab.co DOT il>
> wrote:
> > when i did du on a full backup folder of a spesific pc i saw it to be 300GB.
> > i then run the script i mentioned and it not only removed the full
> > backup but its coresponding incornly backups, which is quite logical.
> > however, the free space on my backup drive was not changed and was not
> > added the 300+GB that was deleted by the script.
>
> Remember that backuppc pools all identical content. If the same files
> exist in any other backups of the same or other machines, the space
> won't be released. Your status page should have a line showing
> "Nightly cleanup removed ...." with the time of the last run.
it does (well, at least the log file contains the data):
Adi Spivak wrote on 2011-09-12 08:04:13 +0300 [Re: [BackupPC-users] bakuppc is
not running.]:
> 2011-09-12 02:39:16 Cpool nightly clean removed 233720 files of size 42.78GB
> 2011-09-12 02:39:16 Cpool is 1346.20GB, 1022043 files (145 repeated, 27 max
> chain, 23731 max links), 4369 directories
This means it claims to recently have deleted 42.78 GB worth of pool files
(which may be the portion of your 300 GB that was not shared with other
backups).
> Here are the parameters asked:
>
> $Conf{WakeupSchedule} = [
> '1',
> [...]
> ];
> $Conf{MaxBackupPCNightlyJobs} = '2';
> $Conf{BackupPCNightlyPeriod} = '1';
That looks good. BackupPC_nightly should be running at 1:00 a.m. Your log file
seems to confirm this (assuming it takes about 100 minutes to complete, which
seems fair):
> as for the log, my guess is it is running, but not doing what it
> supposed to:
> 2011-09-12 02:38:31 BackupPC_nightly now running BackupPC_sendEmail
> 2011-09-12 02:39:16 Finished admin (BackupPC_nightly -m 0 127)
> 2011-09-12 02:39:16 Pool nightly clean removed 0 files of size 0.00GB
> 2011-09-12 02:39:16 Pool is 0.00GB, 0 files (0 repeated, 0 max chain, 0
> max links), 1 directories
> 2011-09-12 02:39:16 Cpool nightly clean removed 233720 files of size 42.78GB
> 2011-09-12 02:39:16 Cpool is 1346.20GB, 1022043 files (145 repeated, 27
> max chain, 23731 max links), 4369 directories
I can't find anything strange about this. Can you confirm that the 42.78 GB
have been freed (note that they may have been - partly - reused by following
backups)? Have you got reason to be *sure* more than that would have been
unique to this backup (plus the dependant incrementals)? When did you remove
the 300 GB? Was it before 2011-09-11 01:00:00? If so, what did the following
nightly run (next 1:00 a.m. or slightly later) report?
> and version: 3.2.0 on ubuntu server.
The downside of pooling is that you need to remove all instances using one
pool file to actually get back the space. The downside of compression is that
you only get back the compressed size. All of that is not surprising, but it
makes estimations really hard. In particular, what you get back from deleting
a backup is not necessarily the same amount of space it took to store the
backup when it was done. It all depends on which files are (and were) shared
with earlier and later backups.
Hope that helps.
Regards,
Holger
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