[xymon] custom check / graphs with multiple rrd files

[Vernon Everett]

http://xymonton.trantor.org/doku.php/monitors:diskstat.ksh

Have fun. :-)
If it shows up on an iostat -xn then it should do the job.

Cheers
    Vernon




On Thu, Sep 9, 2010 at 12:05 PM, Roland Soderstrom <
rolands at logicaltech.com.au> wrote:

>  I got the iostat trend graphs working now :-)
> My approach is a bit rough though, I bet yours is better.
> Will it take care of metadevices? /dev/global cluster disks? /dev/did
> disks?
>
>
> - Roland
>
>
>  On  9/09/10 01:57 PM, Vernon Everett wrote:
>
> Would be unfair to start the race after I have finished :-)
>
> About to post to Xymonton.
> Will update you once done.
>
> Cheers
>     Vernon
>
> On Thu, Sep 9, 2010 at 11:03 AM, Roland Soderstrom <
> rolands at logicaltech.com.au> wrote:
>
>>  Hi,
>>
>> I'm trying to do the same (for solaris)
>> By default the code is there on the client, but the server lacks the code
>> to create the rrd file.
>> The data is there on the server.
>> This command shows me that the data is actually received by the server.
>> xymonserver % $BB $BBDISP 'clientlog server0 section=iostatdisk'
>> in hobbitd/rrd/do_iostat.c there is a do_iostatdisk_rrd function.
>> but it isn't in hobbitd/do_rrd.c
>> I'm not any good at C so I can just see it lacks some coding.
>> The correct approach would be to fix the source so it includes and creates
>> the iostatdisk rrd's and trend graphs will just work.
>>
>> Until next version I tried to fix it.
>> I've tried to modify Stef Coenes iostat script but I can't get any data
>> into the rrd file, it is just empty. (NaN)
>> The graphs on the trends page is there but shows nothing.
>> bash-3.00$ /usr/local/rrdtool-1.2.19/bin/rrdtool dump
>> /usr/local/xymon/data/rrd/server0/iostat-disk.ssd59.rrd | grep last_ds
>>                 <last_ds> UNKN </last_ds>
>> bash-3.00$
>>
>> I'm setting up a new test environment with Xymon 4.2.3 to see if I could
>> get things going.
>> I'm creating a new iostat script from scratch and trying to get the data
>> to the trends page.
>>
>> Well see who wins the race.
>>
>> - Roland
>>
>>
>>
>>
>> On  9/09/10 09:21 AM, Vernon Everett wrote:
>>
>> Funny you mention that, I just completed a script that does disk iostat,
>> and graphs all the columns from an iostat -X
>> (Solaris centric, but I am sure you could mod it for any other OS)
>>
>> The graphs show up in trends.
>> For us it made no sense to create an alert based on iostat, but rather to
>> record it for and use it as a forensic tool if/when things went bad.
>>
>> It has been running in test overnight, and if all looks good, I will post
>> it later today.
>>
>> Cheers
>>     Vernon
>>
>>
>> On Thu, Sep 9, 2010 at 4:47 AM, Daniel Bourque <dbourque at weatherdata.com>wrote:
>>
>>> Hi all,
>>>
>>>   I want to create graphs for i/o per seconds on all disks on host
>>> bob.somewhere.com . I am trying to do like the disk check, but I can't
>>> hobbit to create multiple rrd files.
>>>
>>> so my check ends up running the following
>>>
>>> -------
>>>
>>> /usr/lib/hobbit/client/bin/bb 1.1.1.1 "status
>>> bob,somewhere,com.iostat_tps,sda green Wed Sep  8 15:01:49 CDT 2010
>>>
>>>       iostat_tps : 23.40
>>> "
>>>
>>> /usr/lib/hobbit/client/bin/bb 1.1.1.1 "status
>>> bob,somewhere,com.iostat_tps,sdb green Wed Sep  8 15:01:49 CDT 2010
>>>
>>>       iostat_tps : 12.00
>>> "
>>>
>>> -----
>>>
>>> in hobbitserver.cfg :
>>>
>>> I appended "iostat_tps=ncv"  to TEST2RRD
>>> I added NVC_iostat_tps="iostat_tps:GAUGE"
>>>
>>> ----
>>>
>>> I restarted the rrd processes
>>>
>>> ----
>>>
>>> I am not seeing
>>>
>>> iostat_tps,sda.rrd
>>> iostat_tps,sdb.rrd
>>>
>>> under /opt/hobbit/data/rrd/bob.somewhere.com/
>>>
>>> ----
>>>
>>> my hope is to able to do a graph using something like
>>>
>>> [iostat_tps]
>>>
>>>       FNPATTERN iostat_tps(.*).rrd
>>>
>>>
>>>
>>> Any ideas ?
>>>
>>>
>>> hobbit 4.2.0
>>> RHEL 3
>>>
>>>
>>> Thank !
>>>
>>>
>>> --
>>> Dan
>>>
>>>
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>>>
>>>
>>>
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>
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