BackupPC-users

Re: [BackupPC-users] RRDTool NaN problem (rrdtool 1.3.6 on CentOS 6.5)

2014-05-18 08:31:21
Subject: Re: [BackupPC-users] RRDTool NaN problem (rrdtool 1.3.6 on CentOS 6.5)
From: "Dr. Boris Neubert" <omega AT online DOT de>
To: "General list for user discussion, questions and support" <backuppc-users AT lists.sourceforge DOT net>
Date: Sun, 18 May 2014 14:30:06 +0200
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? 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>

The sequence of scripted commands is:

BackupPC_serverMesg backup all
wait until no more BackupPC jobs are running
BackupPC_nightly -m 0 255
BackupPC_rrdUpdate

Cheers,
Boris

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