SNMP : sysUptime and hrSystemUptime on SGI IRIX [Was [Re: Getting Nagios and AIX SNMP working together happily]]

[Raphaël 'SurcouF' Bordet]

Le samedi 10 mars 2007 à 11:08 -0500, Michael Weiner a écrit :

> Not trying to highjack this interesting thread, but has anyone managed to do
> the same against SGI IRIX? What annoys me most is that when i query system i
> get the uptime of the actual snmpd instance not the host - which may or may
> not necessarily be the same length of time. I have googled and googled and
> have had no real success.
> 
> Anyone doing this that might be able to help?

Hi, 

According to SNMPv2-MIB, syUpTime (OID you're talking about) is:

"The time (in hundredths of a second) since the network management
portion of the system was last re-initialized.".

If you want to get host uptime, you've better to check hrSystemUptime
from HOST-RESOURCES-MIB : 

"The amount of time since this host was last initialized.  Note that
this is different from sysUpTime in the SNMPv2-MIB [RFC1907] because
sysUpTime is the uptime of the network management portion of the
system."

I've never used IRIX but I think you must have "host-snmp" subagent to
be running in order  to implements RFC1514 (or HOST-RESOURCES-MIB) : 
http://techpubs.sgi.com/library/tpl/cgi-bin/getdoc.cgi?coll=0650&db=relnotes&fname=/usr/relnotes/host_snmp


Regards,

-- 
Raphaël 'SurcouF' Bordet



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