I think this is a great way to accomplish this. I had been just using
the component to disable thresholds for filesystems I didn't care about,
but this is quite a bit more elegant (and beyond my python skills).
Better of course is an enhancement ticket showing that this is needed
OOTB. Can you put this up on the wiki with some docs on how to use this?
I think this might meet many needs in the interm.
--
James Pulver
Information Technology Area Supervisor
LEPP Computer Group
Cornell University
ccole wrote:
My management is very interested in Zenoss, but we've got a few challenges.
The first challenge is that we have a number of Windows machines that have
large shadow copy volumes. Those are intended to fill up, and alerting for
those isn't particularly useful. The second challenge is that a
one-size-fits-all threshold doesn't actually fit all.
The solution we've fixed upon is to put a custom threshold into the volume name
and work off that. Here's the code used in the /Perf/Filesystem event
transform (based off another user's change that made for more understandable
messages)
Code:
import re
perDevicePattern = re.compile(r'zz(\d{3})')
fs_id = device.prepId(evt.component)
for f in device.os.filesystems():
if f.id != fs_id: continue
p = (float(f.usedBytes()) / f.totalBytes()) * 100
freeAmtGB = (float(f.totalBytes() - f.usedBytes())) / 1024 / 1024 / 1024
# Regardless of severity, this will be the message
evt.summary = "Disk space low: %3.1f%% used (%3.2f GB free)" %
(p,freeAmtGB)
# Set a default for critical @ 95%
perDeviceThreshold = 95.0
# This is where we change to a per device threshold
if perDevicePattern.search(f.id):
perDeviceThreshold = float(perDevicePattern.search(f.id).groups()[0])
if p >= perDeviceThreshold: evt.severity = 5
break
So, is this a hack? Or is there a better way to accomplish this?
-------------------- m2f --------------------
Read this topic online here:
http://forums.zenoss.com/viewtopic.php?p=25527#25527
-------------------- m2f --------------------
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