It's most likely a combination of hardware, operating systems, and
SNMP agents. We've experience a wide range of SNMP difficulties
associated with 64 bit vs 32 bit platforms, 32 bit counters expressed
using 64 bits, missing parts of SNMP tables, inconsistent units (kb
vs b vs mb), and others...
If you have a Linux server available I highly recommend you download
and install net-snmp. It has a great utility named "snmpwalk" that
you can use to view the data returned by the SNMP agent running on a
remote device. We use this extensively when troubleshooting.
-c
On Mar 22, 2007, at 10:56 PM, W. Chris Shank wrote:
I've got a couple dozen servers being monitored with Zenoss - Linux
Debian & Ubuntu, Win2K, and Win2K3. Even though I installed the
snmpd software on all of them in the same way (specific to their
OS) - i'm finding that there are data inconsistencies on the Perf
and other data. For instance, why is it that on some win2K servers,
it will show disk utilization. Same with some linux boxes too.
Also, some servers have great perf graphs while others have
nothing. Is this a function of the hardware? I'm still learning
about SNMP stuff, so any help is appreciated. Also, I've found few
books on the subject. What's a good primer on SNMP overall?
--
W. Chris Shank
ACE Technology Group, LLC
www.myremoteITdept.com
(610) 640-4223
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