On 5/14/07, Eric Wages <[EMAIL PROTECTED]> wrote:
I've got some liebert PDUs that I'm trying to monitor. Unfortunately, many of them have already rolled over to their signed negative integer values, but are incrementing as expected.When I add a metric to associated with the OID for WattHours, systems that have negative (but incrementing) values do not create graphs, and show not-a-number in the value field. Systems that have positive values for the WattHours do display data. Is there any way to fix this issue? Is it an underlying RRD issue, or a Zenoss issue?
Eric, It looks like this is a bug in RRDTool versions at least up to 1.2.19, which is what Zenoss is packaging with the source install method. I found this link to a related RRDTool ticket: http://oss.oetiker.ch/rrdtool-trac/ticket/78 I'm attaching a patch that can be used to fix this problem in rrdtool-1.2.19. It should be copied to zenossinst/externallibs/rrdtool-1.2.19.patch02 if you are doing the source based install method. Once this patch is in place, you need to cleanup any previous builds of rrdtool by running "rm -Rf zenossinst/build/rrdtool-1.2.19" then running "make rrdtool-install" from the zenossinst directory. This will apply the patch, compile rrdtool and install it into Zenoss' lib directory. I'm CCing this message to the developers list in case they want to include this fix in the repository. -- Chet Luther [EMAIL PROTECTED]
rrdtool-1.2.19.patch02
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