Thanks very much for the great letter about monitoring disk and cpu with SNMP

[Stanley Hopcroft]

Dear Ladies and Gentlemen,

I am writing to acknowledge Robert Suh's recent letter (
From: Robert Suh <roberts at bl...> 
RE: Monitoring Disk and CPU Utilization   
2004-02-13 15:06 ) about this matter.

It is rare to see such a helpful digest of useful information in
presenting the OIDs of a whole buch of useful MIB variables.

Lovely piece of work !.

FWIW 

1 The Robert Suh letter refers to gross disk and CPU usage (ie the free
space on the disk is greater or less than a threshold)

2 There are a number of more specialised/constrained/limited approaches
to check with SNMP that nominated processes and disks are below
threshold.

IIRC, there are plugins that implement these approaches (at least two
[2] Al Tobey efforts in the contrib directory
'check_snmp_disk_monitor' and
'check_snmp_process_monitor'

Sadly the latter one does not appear to check that the nominated process
has not consumed too much of the CPU (like check_procs). This however,
may not be possible to do easily with SNMP.

Both these plugins require the Perl SNMP.pm module (not to be confused
with Net::SNMP.

There is also the David Alden Net::SNMP check_snmp_procs that I have
somehow managed to mangle/mutilate/prevent turning into a plugin.

I'll try and resurrect that ASAP. 

Please accept my apologies David.

).

Yours sincerely.
-- 
------------------------------------------------------------------------
Stanley Hopcroft
------------------------------------------------------------------------

'...No man is an island, entire of itself; every man is a piece of the
continent, a part of the main. If a clod be washed away by the sea,
Europe is the less, as well as if a promontory were, as well as if a
manor of thy friend's or of thine own were. Any man's death diminishes
me, because I am involved in mankind; and therefore never send to know
for whom the bell tolls; it tolls for thee...'

from Meditation 17, J Donne.


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