@nacc: Well one of our customers had the issue that munin-graph was
producing serveral gigabytes (~3GB) of error logs within a very short
time-frame (hours).
the server & client was the latest 14.04 available munin/munin-node
package and the server was unable to poll the munin-node for several
weeks, i guess that triggered the messages.
I'm attaching a munin-graph.log snippet & the corresponding rrd file.
----------------cut-------------------
2017/03/22 09:03:32 [WARNING] Could not draw graph
"/data_XXX/var_cache_munin_www/host.fqdn.domain/mongodb201.host.fqdn.domain/diskstats_utilization/vg00_var-day.png":
/data_XXX/var_cache_munin_www/host.fqdn.domain/mongodb201.host.fqdn.domain/diskstats_utilization/vg00_var-day.png
2017/03/22 09:03:32 [RRD ERROR] Unable to graph
/data_XXX/var_cache_munin_www/host.fqdn.domain/mongodb201.host.fqdn.domain/diskstats_utilization/vg00_var-week.png
: start (1489449812) should be less than end (1489147500)
2017/03/22 09:03:32 [RRD ERROR] rrdtool 'graph'
'/data_XXX/var_cache_munin_www/host.fqdn.domain/mongodb201.host.fqdn.domain/diskstats_utilization/vg00_var-week.png'
\
'--title' \
'Disk utilization for /dev/vg00/var - by week' \
'--start' \
'-12000m' \
'--base' \
'1000' \
'--lower-limit' \
'0' \
'--upper-limit' \
'100' \
'--rigid' \
'--vertical-label' \
'% busy' \
'--slope-mode' \
'--height' \
'175' \
'--width' \
'400' \
'--imgformat' \
'PNG' \
'--lazy' \
'--units-exponent' \
'0' \
'--font' \
'DEFAULT:0:DejaVuSans,DejaVu Sans,DejaVu LGC Sans,Bitstream Vera Sans' \
'--font' \
'LEGEND:7:DejaVuSansMono,DejaVu Sans Mono,DejaVu LGC Sans
Mono,Bitstream Vera Sans Mono,monospace' \
'--color' \
'BACK#F0F0F0' \
'--color' \
'FRAME#F0F0F0' \
'--color' \
'CANVAS#FFFFFF' \
'--color' \
'FONT#666666' \
'--color' \
'AXIS#CFD6F8' \
'--color' \
'ARROW#CFD6F8' \
'--border' \
'0' \
'-W' \
'Munin 2.0.19-3' \
'DEF:autil=/var/lib/munin/host.fqdn.domain/mongodb201.host.fqdn.domain-diskstats_utilization-vg00_var-util-g.rrd:42:MAX'
\
'DEF:iutil=/var/lib/munin/host.fqdn.domain/mongodb201.host.fqdn.domain-diskstats_utilization-vg00_var-util-g.rrd:42:MIN'
\
'DEF:gutil=/var/lib/munin/host.fqdn.domain/mongodb201.host.fqdn.domain-diskstats_utilization-vg00_var-util-g.rrd:42:AVERAGE'
\
'CDEF:cutil=gutil,POP,UNKN' \
'COMMENT: ' \
'COMMENT: Cur\:' \
'COMMENT:Min\:' \
'COMMENT:Avg\:' \
'COMMENT:Max\: \j' \
'LINE1:gutil#00CC00:Utilization ' \
'GPRINT:cutil:LAST:%6.2lf' \
'GPRINT:iutil:MIN:%6.2lf' \
'GPRINT:gutil:AVERAGE:%6.2lf' \
'GPRINT:autil:MAX:%6.2lf\j' \
'COMMENT:Last update\: Fri Mar 10 13\:15\:11 2017\r' \
'--end' \
'1489147500'
2017/03/22 09:03:32 [WARNING] Could not draw graph
"/data_XXX/var_cache_munin_www/host.fqdn.domain/mongodb201.host.fqdn.domain/diskstats_utilization/vg00_var-week.png":
/data_XXX/var_cache_munin_www/host.fqdn.domain/mongodb201.host.fqdn.domain/diskstats_utilization/vg00_var-week.png
2017/03/22 09:03:32 [RRD ERROR] Unable to graph
/data_XXX/var_cache_munin_www/host.fqdn.domain/mongodb201.host.fqdn.domain/diskstats_utilization/vg02_datadb2-day.png
: start (1490049812) should be less than end (1489148100)
2017/03/22 09:03:32 [RRD ERROR] rrdtool 'graph'
'/data_XXX/var_cache_munin_www/host.fqdn.domain/mongodb201.host.fqdn.domain/diskstats_utilization/vg02_datadb2-day.png'
\
'--title' \
'Disk utilization for /dev/vg02/datadb2 - by day' \
'--start' \
'-2000m' \
'--base' \
'1000' \
'--lower-limit' \
'0' \
'--upper-limit' \
'100' \
'--rigid' \
'--vertical-label' \
'% busy' \
'--slope-mode' \
'--height' \
'175' \
'--width' \
'400' \
'--imgformat' \
'PNG' \
'--lazy' \
'--units-exponent' \
'0' \
'--font' \
'DEFAULT:0:DejaVuSans,DejaVu Sans,DejaVu LGC Sans,Bitstream Vera Sans' \
'--font' \
'LEGEND:7:DejaVuSansMono,DejaVu Sans Mono,DejaVu LGC Sans
Mono,Bitstream Vera Sans Mono,monospace' \
'--color' \
'BACK#F0F0F0' \
'--color' \
'FRAME#F0F0F0' \
'--color' \
'CANVAS#FFFFFF' \
'--color' \
'FONT#666666' \
'--color' \
'AXIS#CFD6F8' \
'--color' \
'ARROW#CFD6F8' \
'--border' \
'0' \
'-W' \
'Munin 2.0.19-3' \
'DEF:autil=/var/lib/munin/host.fqdn.domain/mongodb201.host.fqdn.domain-diskstats_utilization-vg02_datadb2-util-g.rrd:42:MAX'
\
'DEF:iutil=/var/lib/munin/host.fqdn.domain/mongodb201.host.fqdn.domain-diskstats_utilization-vg02_datadb2-util-g.rrd:42:MIN'
\
'DEF:gutil=/var/lib/munin/host.fqdn.domain/mongodb201.host.fqdn.domain-diskstats_utilization-vg02_datadb2-util-g.rrd:42:AVERAGE'
\
'CDEF:cutil=gutil,POP,UNKN' \
'COMMENT: ' \
'COMMENT: Cur\:' \
'COMMENT:Min\:' \
'COMMENT:Avg\:' \
'COMMENT:Max\: \j' \
'LINE1:gutil#00CC00:Utilization ' \
'GPRINT:cutil:LAST:%6.2lf' \
'GPRINT:iutil:MIN:%6.2lf' \
'GPRINT:gutil:AVERAGE:%6.2lf' \
'GPRINT:autil:MAX:%6.2lf\j' \
'COMMENT:Last update\: Fri Mar 10 13\:15\:11 2017\r' \
'--end' \
'1489148100'
----------------cut-------------------
** Attachment added:
"mongodb201.host.fqdn.domain-diskstats_utilization-vg00_var-util-g.rrd"
https://bugs.launchpad.net/ubuntu/+source/munin/+bug/1322264/+attachment/4847945/+files/mongodb201.host.fqdn.domain-diskstats_utilization-vg00_var-util-g.rrd
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https://bugs.launchpad.net/bugs/1322264
Title:
Munin fails to generate graph, stat should be less than end
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