OpenBSD w/ DISMAN-EVENT-MIB swapError / memMinimumSwap

"Brian A. Seklecki" <[email protected]>
Newsgroups gmane.network.net-snmp.user
Message-ID <[email protected]>
[with the correct address list this time]

All:

Another issue with OpenBSD.  Using the 'defaultMonitor' config with OpenBSD 
3.7/i386 running Net-SNMP 5.2.1p1.  At agent restart, I always get a trap from 
the agent about swap:

example:

Jul 25 08:49:01 nmsHostname snmptrapd[72648]: 2005-07-25 08:49:01 hostname.com 
[UDP: [192.168.1.1]:45160]: DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: 
(40857874) 4 days, 17:29:38.74 SNMPv2-MIB::snmpTrapOID.0 = OID: 
DISMAN-EVENT-MIB::mteTriggerFired DISMAN-EVENT-MIB::mteHotTrigger = STRING: 
memory DISMAN-EVENT-MIB::mteHotTargetName = STRING: 
DISMAN-EVENT-MIB::mteHotContextName = STRING: DISMAN-EVENT-MIB::mteHotOID = 
OID: UCD-SNMP-MIB::memSwapError.0 DISMAN-EVENT-MIB::mteHotValue = INTEGER: 1 
UCD-SNMP-MIB::memErrorName.0 = STRING: swap UCD-SNMP-MIB::memSwapErrorMsg.0 =
STRING: Running out of swap space (0)


I'm not sure where DISMAN-EVENT-MIB is pulling information about swap (sysctl? 
kernel? userland?), but it's erroneous in this case.


# swapctl  -l
Device      1K-blocks     Used    Avail Capacity  Priority
/dev/raid0a   2097024        0  2097024     0%    0

In UCD-SNMP-MIB.txt, the following is defined:

memMinimumSwap OBJECT-TYPE
     SYNTAX      Integer32
     MAX-ACCESS  read-only
     STATUS      current
     DESCRIPTION
         "Minimum amount of free swap required to be free
          or else memErrorSwap is set to 1 and an error string is
          returned memSwapErrorMsg."
     ::= { memory 12 }


And that traces to net-snmp-5.2.1.2/agent/mibgroup/ucd-snmp/memory.h where
#define MEMSWAPMINIMUM 12

...I'll look into how FreeBSD and OpenBSD accumulate this value differently. 
It's burried in the source somewhere.


l8*
 	-lava

x.25 - minix - bitnet - plan9 - 110 bps - ASR 33 - base8


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