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Re: [hobbit] Re: Custom RRD graphs

Brilliant detective work Dan. I am trying something similar, but haven't had the good luck that you enjoy.

Here is the status message being produced for a column called pg_util (Page Utilization):

status vm1.pg_util green 12 Nov 2005 10:55:57  Page Utilization  OK
pg_util : 1


z/VM Version 4 Release 4.0, service level 0402 (32-bit)
            EXTENT EXTENT  TOTAL  PAGES   HIGH    %
VOLID  RDEV  START    END  PAGES IN USE   PAGE USED
------ ---- ------ ------ ------ ------ ------ ----
440RES 0124    257    390  24120    529    559   2%
PAGSP1 0102    301   3338 546840      0      0   0%
                          ------ ------        ----
SUMMARY                   570960    529          1%
USABLE                    570960    529          1%

TEST2RRD contains 'pg_util=ncv' (it's not at the end, does it need to be?) and

NCV_pg_util="pg_util:GAUGE"

I've disabled the code in the extra script for this test and removed it from the --extra-tests list. I've verified with ps that hobbitd_channel and hobbitd_larrd aren't using them anymore. I still have a custom graph defined for this test, is that allowed using NCV or doesn't it care?

Dan Vande More wrote: 
Ok, I found the issue.

Though I've written dozens of bb clients, I've never come across
exactly how BB expects the information. This might be hobbit specific
however. In my original email, I stated I was sending the data from my
script like:

home/monitor/bb/bin/bb 1.2.3.4 "status iron1-mgmt.Memoryutil green
Memoryutil : 11"

This is not the correct way to do this hobbit-wise. You need to put a
\n in between the color status and the data you're pushing via ncv.
That is:

home/monitor/bb/bin/bb 1.2.3.4 "status iron1-mgmt.Memoryutil
green\nMemoryutil : 11"

Perhaps it's just my interpretation, but I think we should reword the
documentation to explicitly say we do not need to do any
--extra-script or --extra-tests if one is using ncv.

Finally, I perused a lot of the man pages and code for the past few
hours, and only found one error - and that was a spelling error. In
~hobbit/server/etc/hobbitgraph.cfg, temperature is misspelled:
# comment out the [tempeature] section above, and

I'm now using ncv for collecting 8 datapoints and it appears to
collect and graph data flawlessly. Thanks for the solid implementation
Henrik.

-Dan

On 11/11/05, Dan Vande More <bigdan (at) gmail.com> wrote:

Sorry for the hasty followup, but does anyone have any advice?

Thanks


On 11/10/05, Dan Vande More <bigdan (at) gmail.com> wrote:

Hello All,

I've read every post on the list, but still cannot figure out why I
can't get rrds to appear.

I've written a custom script that does something like:

/home/monitor/bb/bin/bb 1.2.3.4 "status iron1-mgmt.Memoryutil green
Memoryutil : 11"

On 1.2.3.4 (server), my hobbitserver.cfg has this:

TEST2RRD="cpu=la,disk,inode,qtree,memory,$PINGCOLUMN=tcp,http=tcp,dns=tcp,dig=tcp,time=ntpstat,vmstat,iostat,netstat,temperature,apache,bind,sendmail,mailq,nmailq=mailq,socks,bea,iishealth,citrix,bbgen,bbtest,bbproxy,hobbitd,Memoryutil=ncv"

The reason the test is memoryutil is because it's memory utilization
gotta via snmp for an ironport device.

My interpretation of the hobbitd_rrd.8 page, and this post:
http://www.hswn.dk/hobbiton/2005/06/msg00261.html
gives me reason to believe that I don't have to do anything but have a
script pass bb a "$test (=|:) value" value, and tell TEST2RRD
"$test=ncv", and I'd be graphing in no time. However, my
~hobbit/rrd/$hostname/ still doesn't have a $test.rrd.

Am I missing something? Doing something wrong? Assuming some things I
shouldn't be? Anyone have the ncv stuff working?

Thanks

Dan



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