[collectd] rrdc_update failed with status -1
Benjamin DUPUIS
benjamin.dupuis at quake.fr
Wed Mar 28 09:30:23 CEST 2012
Hi,
I had the same problem
Collectd is run at root
RRDCached is run at rrdcached.
When rrd files are created they are owned by root.root, so rrdcached cannot write
chmod 777 (yes it's bad) on your rrds files and it'll work
I'm searching for a greater solution.
Best regards
----- Message d'origine -----
De: Stian Øvrevåge <sovrevage at gmail.com>
Date: Mon, 26 Mar 2012 23:33:31 +0200
Sujet: Re: [collectd] rrdc_update failed with status -1
À: Cyril Feraudet <collectd at feraudet.com>
Cc: collectd at verplant.org
>Tried now using
>
>rrdcached -f 7200 -w 3600 -z 900 -b
>/opt/collectd/var/lib/collectd/rrd/ -P FLUSH,BATCH,UPDATE,STATS -l
>127.0.0.1 -l unix:/tmp/rrdcached.sock
>
>No change tho. No packets after the connection has been established.
>
>Tried simulating using telnet, working just fine:
>
>root at collectd-new:/home/kbandusr# telnet localhost 42217
>Trying 127.0.0.1...
>Connected to localhost.
>Escape character is '^]'.
>STATS
>9 Statistics follow
>QueueLength: 0
>UpdatesReceived: 12
>FlushesReceived: 0
>UpdatesWritten: 0
>DataSetsWritten: 0
>TreeNodesNumber: 1
>TreeDepth: 1
>JournalBytes: 0
>JournalRotate: 0
>UPDATE no-kvh020-sw01/snmp/if_drop_discard_err_que-Vlan1328.rrd
>1332797080:0:0:0:0
>0 errors, enqueued 1 value(s).
>BATCH
>0 Go ahead. End with dot '.' on its own line.
>UPDATE no-kvh020-sw01/snmp/if_drop_discard_err_que-Vlan1328.rrd
>1332797085:0:0:0:0
>UPDATE no-kvh020-sw01/snmp/if_drop_discard_err_que-Vlan1328.rrd
>1332797090:0:0:0:0
>.
>0 errors
>quit
>Connection closed by foreign host.
>
>Regards,
>Stian Øvrevåge
>
>On Mon, Mar 26, 2012 at 10:08 PM, Cyril Feraudet <collectd at feraudet.com> wrote:
>> Have look to "-P" option of rrdcached about permission.
>>
>> I've debugged some issue with rrdcached using strace to see entire error message sent to collectd.
>>
>> Cyril
>>
>> On 26 mars 2012, at 22:01, Stian Øvrevåge wrote:
>>
>>> It always works with sockets and never works with network.
>>>
>>> So I don't think there is an error with the rrd or polling itself.
>>>
>>> Also; tcpdump shows that collectd with connect to rrdcached but does
>>> NOT send ANY
>>> packets when updating and returning thousands of errors. I believe
>>> that the connection handled by collectd is somewhat faulty... I can
>>> connect to rrdcached by telnet and issue commands without problem...
>>>
>>> Brgds,
>>> Stian Øvrevåge
>>>
>>> On Mon, Mar 26, 2012 at 9:57 PM, Cyril Feraudet <collectd at feraudet.com> wrote:
>>>> Hi,
>>>>
>>>> Many issue :
>>>> - Your rrd was updated before with a value in the future : rrdtool info /opt/collectd/var/lib/collectd/rrd/no-kvh020-sw01/snmp/if_drop_discard_err_que-Vlan1309.rrd to check las update
>>>> - Host polling no-kvh020-sw01 has his time in the past.
>>>> - More than one no-kvh020-sw01 configured
>>>> - ...
>>>>
>>>> Cyril
>>>> On 26 mars 2012, at 21:00, Stian Øvrevåge wrote:
>>>>
>>>>> Hi,
>>>>>
>>>>> When trying to use DaemonAddress "127.0.0.1:42217" I'm receiving
>>>>>
>>>>> Mar 26 20:52:25 collectd-new collectd[13065]: Filter subsystem:
>>>>> Built-in target `write': Dispatching value to all write plugins failed
>>>>> with status -1.
>>>>> Mar 26 20:52:25 collectd-new collectd[13065]: rrdcached plugin:
>>>>> rrdc_update (/opt/collectd/var/lib/collectd/rrd/no-kvh020-sw01/snmp/if_drop_discard_err_que-Vlan1309.rrd,
>>>>> [1332787945:0:0:0:0], 1) failed with status -1.
>>>>>
>>>>> For ALL updates.
>>>>>
>>>>> This is my rrdcached plugin config:
>>>>>
>>>>> <Plugin "rrdcached">
>>>>> #DaemonAddress "unix:/tmp/rrdcached.sock"
>>>>> DaemonAddress "127.0.0.1:42217"
>>>>> DataDir "/opt/collectd/var/lib/collectd/rrd"
>>>>> #CreateFiles true
>>>>> #CollectStatistics true
>>>>> StepSize 30
>>>>> HeartBeat 600
>>>>> RRaTimespan 3600
>>>>> RRaTimespan 86400
>>>>> RRaTimespan 604800
>>>>> RRaTimespan 2678400
>>>>> RRaTimespan 166224000
>>>>> </Plugin>
>>>>>
>>>>> I run rrdcached with "/opt/rrdtool-1.4.7/bin/rrdcached -f 7200 -w 3600
>>>>> -z 900 -b /opt/collectd/var/lib/collectd/rrd/ -l 127.0.0.1 -l
>>>>> unix:/tmp/rrdcached.sock"
>>>>>
>>>>> The reason I want to test using network sockets is that the unix
>>>>> sockets seem to cause thousands of disk reads and writes according to
>>>>> VMware disk statistics.
>>>>>
>>>>> A tcpdump with ascii decode only shows this: (No data? And statistics
>>>>> which I thought I disabled?)
>>>>>
>>>>> 20:56:52.891588 IP localhost.42381 > localhost.42217: Flags [P.], seq
>>>>> 385950220:385950226, ack 4144176433, win 349, options [nop,nop,TS val
>>>>> 133288705 ecr 133281205], length 6
>>>>> E..:x. at .@................."....1...].......
>>>>> ........STATS
>>>>>
>>>>> 20:56:52.891734 IP localhost.42217 > localhost.42381: Flags [P.], seq
>>>>> 1:21, ack 6, win 256, options [nop,nop,TS val 133288705 ecr
>>>>> 133288705], length 20
>>>>> ...............1.."......<.....
>>>>> ........9 Statistics follow
>>>>>
>>>>> 20:56:52.891760 IP localhost.42381 > localhost.42217: Flags [.], ack
>>>>> 21, win 349, options [nop,nop,TS val 133288705 ecr 133288705], length
>>>>> 0
>>>>> E..4x. at .@................."....E...])......
>>>>> ........
>>>>> 20:56:52.891777 IP localhost.42217 > localhost.42381: Flags [P.], seq
>>>>> 21:176, ack 6, win 256, options [nop,nop,TS val 133288705 ecr
>>>>> 133288705], length 155
>>>>> E...C. at .@..................E.."............
>>>>> ........QueueLength: 0
>>>>> UpdatesReceived: 0
>>>>> FlushesReceived: 0
>>>>> UpdatesWritten: 0
>>>>> DataSetsWritten: 0
>>>>> TreeNodesNumber: 0
>>>>> TreeDepth: 0
>>>>> JournalBytes: 0
>>>>> JournalRotate: 0
>>>>>
>>>>> 20:56:52.891783 IP localhost.42381 > localhost.42217: Flags [.], ack
>>>>> 176, win 357, options [nop,nop,TS val 133288705 ecr 133288705], length
>>>>> 0
>>>>> E..4x. at .@................."........e)......
>>>>> ........
>>>>>
>>>>>
>>>>> Regards,
>>>>> Stian Øvrevåge
>>>>>
>>>>> _______________________________________________
>>>>> collectd mailing list
>>>>> collectd at verplant.org
>>>>> http://mailman.verplant.org/listinfo/collectd
>>>>
>>>>
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>>
>
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