[Perfparse-users] Re: [Nagiosplug-devel] Performance output of the disk plugin

[Cook, Garry]

I don't know about how to handle the range issue, but I fixed the flipped values issue. I thought that I posted to this list with the patch, but maybe I didn't. Check the sourceforge.net nagiosplug site, I posted a patch there (search for user: g_force). If you can't locate it, let me know and I can dig it up and resend to the list...
 
-g

	-----Original Message----- 
	From: perfparse-users-admin at lists.sourceforge.net on behalf of Ben Clewett 
	Sent: Thu 7/22/2004 9:45 AM 
	To: Jaap Hogenberg 
	Cc: nagiosplug-devel at lists.sourceforge.net; 'perfparse-users at lists.sourceforge.net' 
	Subject: Re: [Perfparse-users] Re: [Nagiosplug-devel] Performance output of the disk plugin
	
	

	Yes I know the check_disk returns the values upside down.  Very 
	annoying!  Half my disks are showing up as CRITICAL too :) 

	I did post a bug about this, but not sure what happened to it. 

	It's early days yet for performance data, I am sure everything will fall 
	into place over next few months. 

	I might even find time to add range support to PerfParse if it's 
	important.  But please don't hold your breath! 

	Regards, Ben 


	Jaap Hogenberg wrote: 

	> On Thu, 2004-07-22 at 16:21, Ben Clewett wrote: 
	> 
	>>Jaap, 
	>> 
	>> From the perspective of PerfParse, this unfortunately does not 
	>>understand a range of data.  Due to a flaw in the original data 
	>>structure, it can only store a single value each for the critical and 
	>>warn values.  Further, it uses these to draw just single line on the 
	>>graphs.  Considerable work would be required to rebuild the product for 
	>>a range. 
	> 
	> OK , I understand. 
	> 
	> 
	>>You are the first person I have ever seen who has requested support for 
	>>this, and as far as I know, not a single plugin uses this format :) 
	> 
	> Well, some of my custom check scripts do  ;-) 
	> Until I decided to rip that out , because it confused perfparse  :) 
	> 
	> 
	> 
	>>I do note that the range you specify in this case adds no more 
	>>information to the output than using threshold values. 
	> 
	> Uhm, this particular case is a plugin that reports free space, 
	> so the tresholds are not "upper" treshold but lower tresholds, 
	> meaning that when the value drops BELOW the treshold, a warning or 
	> critical status should be set, with critical < warning 
	> 
	> Just using the treshold values would generete these alerts when 
	> exceeding the tresholds. 
	> That's why I though using ranges would be usefull. 
	> 
	> Apart from that, the tresholds that this plugin generates are wrong 
	> anyway : it reports the free space, and the tresholds are not set 
	> to 30 and 10 % (in the example below) but to the values that would be 
	> correct when calculating USED space, i.e. 70 and 90 % 
	> 
	> All together, it sounds like we would be better of having a plugin that 
	> would report on used space percentages than free space ..... 
	> 
	> Regards, and thanks for the help 
	> 
	> Jaap Hogenberg 
	> 
	> 
	>>Somebody here might correct me on this:  I believe the range is used 
	>>where an OK range may be either side of a WARN range, which it's self is 
	>>either side of a CRITICAL range.  Set by specifying overlapping ranges: 
	>> 
	>>  OK [-WARN--[--CRITIAL--]--WARN-] OK 
	>> 
	>>Or in reverse where the '@' is used: an OK range sits between a WARN 
	>>range, which sits between a CRITICAL range: 
	>> 
	>>---CRITICAL-]--WARN-] OK [-WARN--[-CRITIAL--- 
	>> 
	>>I do wish to support this one day in PerfParse as this is a powerful 
	>>option.  If any person here can shine a light on how the ranges should 
	>>correctly be used, and how to understand overlapping ranges, and most 
	>>important, will standard plugins be written to use these, and if so, 
	>>when?  I would be interested in knowing :) 
	>> 
	>>Regards, Ben. 
	>> 
	>> 
	>>Jaap Hogenberg wrote: 
	>> 
	>> 
	>>>Hi, 
	>>> 
	>>>While playing with perfparse 0.99.01 and the nagios plugin check_disk , 
	>>>it occurs to me that the performance data for this plugin is not 
	>>>correct. When I run the plugin, this is what I get: 
	>>>( currently using check_disk 1.42 from plugins 1.4.0alpha2 ) 
	>>> 
	>>> 
	>>>nagios at gilmore:~/cvs/nagiosplug/plugins$ ./check_disk -w 30% -c 10% -p / 
	>>>DISK OK - free space: / 8171 MB (85%);| /=8170MB;6728;8650;0;9612 
	>>> 
	>>>>From the "plugin developers doc" I gather that the second and third 
	>>>field in the performance data output should be of the "range type" 
	>>>and since we are working with "free space" any value bigger than 
	>>>the warning and critical tresholds is good , so we need to alert 
	>>>when the value is inside a range using the "@" sign.... 
	>>> 
	>>>This means the "warn" field should contain  @((max * 100)/10:((max * 
	>>>100)/30) 
	>>>and the "crit" field should show @[0:]((max * 100) /10 
	>>> 
	>>>in values:   .... | /=8170MB;@961:2884;@0:961;0;9612 
	>>> 
	>>>Is this right ? 
	>>> 
	>>>I have tried to change the code myself, so that I could supply 
	>>>patches, but my C coding skills are lousy. 
	>>> 
	>>>I would appriciate the help, and many thanks for the great work done 
	>>>allready! 
	>>> 
	>>>Regards, 
	>>>Jaap Hogenberg 
	>>> 
	>>> 
	>>> 
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	> 
	> 
	> 
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