[hobbit] graph remains at zero rrd problem

[Asif Iqbal]

Check this awesome 'howtograph' that Henrik just posted on his website

http://www.hswn.dk/~henrik/howtograph.txt

That might explain lot of your rrd issues.

On Fri, Nov 18, 2005 at 03:30:57PM, Tijl.VanDenBroeck at vlafo.be wrote:
> Hello,
> 
> I've been adjusting the BB informix script to send informix info to 
> hobbit, that works flawlessly. Next part is creating a graph with the 
> usage of the DB Spaces to monitor evolution. In a first instance I want to 
> avoid having trouble with a dynamic number of DB Spaces and I tried to 
> create a graph that's pretty static and limited to two DB Spaces. Creating 
> the RRD and so all seems to go fine but when I look at the graph, in the 
> legend it stays constantly at zero, it simply does not display the DBS 
> usage number and it draws a line on the bottom of the X-axis.
> 
> version:
> hobbit-4.0.2 (yes I know, I still need to upgrade, maybe this is the issue 
> itself?)
> 
> informix.sh creates the following output:
> DS:dbsusage1:DERIVE:600:0:100
> DS:dbsusage2:DERIVE:600:0:100
> informix.rrd
> 44:66
> 
> rrdtool info informix.rrd:
> filename = "informix.rrd"
> rrd_version = "0001"
> step = 300
> last_update = 1132323804
> ds[dbsusage1].type = "DERIVE"
> ds[dbsusage1].minimal_heartbeat = 600
> ds[dbsusage1].min = 0.0000000000e+00
> ds[dbsusage1].max = 1.0000000000e+02
> ds[dbsusage1].last_ds = "44"
> ds[dbsusage1].value = 0.0000000000e+00
> ds[dbsusage1].unknown_sec = 0
> ds[dbsusage2].type = "DERIVE"
> ds[dbsusage2].minimal_heartbeat = 600
> ds[dbsusage2].min = 0.0000000000e+00
> ds[dbsusage2].max = 1.0000000000e+02
> ds[dbsusage2].last_ds = "66"
> ds[dbsusage2].value = 0.0000000000e+00
> ds[dbsusage2].unknown_sec = 0
> rra[0].cf = "AVERAGE"
> rra[0].rows = 576
> rra[0].pdp_per_row = 1
> rra[0].xff = 5.0000000000e-01
> rra[0].cdp_prep[0].value = NaN
> rra[0].cdp_prep[0].unknown_datapoints = 0
> rra[0].cdp_prep[1].value = NaN
> rra[0].cdp_prep[1].unknown_datapoints = 0
> rra[1].cf = "AVERAGE"
> rra[1].rows = 576
> rra[1].pdp_per_row = 6
> rra[1].xff = 5.0000000000e-01
> rra[1].cdp_prep[0].value = 0.0000000000e+00
> rra[1].cdp_prep[0].unknown_datapoints = 0
> rra[1].cdp_prep[1].value = 0.0000000000e+00
> rra[1].cdp_prep[1].unknown_datapoints = 0
> rra[2].cf = "AVERAGE"
> rra[2].rows = 576
> rra[2].pdp_per_row = 24
> rra[2].xff = 5.0000000000e-01
> rra[2].cdp_prep[0].value = 0.0000000000e+00
> rra[2].cdp_prep[0].unknown_datapoints = 0
> rra[2].cdp_prep[1].value = 0.0000000000e+00
> rra[2].cdp_prep[1].unknown_datapoints = 0
> rra[3].cf = "AVERAGE"
> rra[3].rows = 576
> rra[3].pdp_per_row = 288
> rra[3].xff = 5.0000000000e-01
> rra[3].cdp_prep[0].value = 0.0000000000e+00
> rra[3].cdp_prep[0].unknown_datapoints = 168
> rra[3].cdp_prep[1].value = 0.0000000000e+00
> rra[3].cdp_prep[1].unknown_datapoints = 168
> 
> hobbitgraph.cfg:
> [informix]
>         TITLE Informix
>         YAXIS Percentage in use
>         DEF:dbspace1=informix.rrd:dbsusage1:AVERAGE
>         DEF:dbspace2=informix.rrd:dbsusage2:AVERAGE
>         LINE2:dbspace1#A0CC00:dbsusage1
>         LINE2:dbspace2#000CCC:dbsusage2
>         GPRINT:dbspace1:LAST: \: %5.1lf (cur)
>         GPRINT:dbspace1:MAX: \: %5.1lf (max)
>         GPRINT:dbspace1:MIN: \: %5.1lf (min)
>         GPRINT:dbspace1:AVERAGE: \: %5.1lf (avg)\n
>         GPRINT:dbspace2:LAST: \: %5.1lf (cur)
>         GPRINT:dbspace2:MAX: \: %5.1lf (max)
>         GPRINT:dbspace2:MIN: \: %5.1lf (min)
>         GPRINT:dbspace2:AVERAGE: \: %5.1lf (avg)\n
> 
> 
> I don't really see any error in the RRD file, nor in the output of my 
> script or hobbitgraph.cfg. Ofcourse informix is added to hobbitlaunch.cfg 
> in the extra tests and extra script parameters. Logs don't display 
> anything weird neither.
> 
> Perhaps someone can help me with finding my error. Thanks in advance.
> 
> Tijl
> 

-- 
Asif Iqbal
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