18.05.2014 16:30, Dr. Boris Neubert пишет:
> Thanks, Alexander, for the quick reply!
>
> Am 18.05.2014 14:10, schrieb Alexander Moisseev:
>> 18.05.2014 14:34, Dr. Boris Neubert пишет:
>>> Dear list,
>>>
>>> after some debugging I found out that my poolUsage.rrd recently only
>>> contains NaN:
>>>
>> Check /var/log/BackupPC/BackupPC/LOG around lines begins with "sRRD
>> updated:".
>
> I can see nothing special, e.g.
>
> 2014-03-31 12:08:44 Pool4 nightly clean removed 0 files of size 0.00GB
> 2014-03-31 12:08:44 Pool4 is 0.00GB, 0 files (0 repeated, 0 max chain, 0 max
> links), 0 directories
> 2014-03-31 12:08:44 Cpool4 nightly clean removed 1730 files of size 6.38GB
> 2014-03-31 12:08:44 Cpool4 is 1132.52GB, 884443 files (0 repeated, 0 max
> chain, 20184 max links), 16512 directories
> 2014-03-31 12:08:44 Running BackupPC_rrdUpdate (pid=4659)
> 2014-03-31 12:08:44 admin-1 : 2014-03-31 12:08:44 RRD updated: date
> 1396310400; cpoolKb 0.000000; total 7533552426.886719; poolKb 0.000000;
> pool4Kb 0.000000; cpool4Kb 1159702004.000000
> 2014-03-31 12:08:44 Finished admin-1 (BackupPC_rrdUpdate)
>
> I should have mentioned that I use BackupPC 4.0.0.alpha3. And that I run
> a sequence of commands manually instead of using the wake-up mechanisms
> (this is because I remotely power on the BackupPC machine, have the
> backups run, and the machine shut down and powered off after all jobs
> are complete). Could this be incompatible with the way
> BackupPC_rrdUpdate works?
This incompatible with the way RRD works.
http://oss.oetiker.ch/rrdtool/doc/rrdcreate.en.html#___top
The known rates during a PDP's "step" interval are used to calculate an average
rate for that PDP. If the total "unknown" time accounts for more than half the
"step", the entire PDP is marked as "unknown".
I think it should work if you will power on the BackupPC machine every midnight
and run BackupPC_rrdUpdate.
I wonder because the last line in the
> poolUsage.rrd is for tomorrow 2 a.m. CEST:
>
> <!-- 2014-05-19 02:00:00 CEST / 1400457600 -->
> <row><v> NaN </v><v> NaN </v><v> NaN </v><v> NaN </v><v> NaN </v></row>
>
It's ok. RRDUpdate stores data in RRD with predicted time of next update.
--
Alexander
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