[Nagiosplug-help] Check_snmp and Could not open pipe: error VERSION 2

[Subhendu Ghosh]

On Wed, 11 Jun 2003, Pietro Bandera wrote:

> Hi all
> 
> I need to check the disk of some ibm server by this oid
> 
> enterprises.ibm.ibmProd.ibmServeRaid.ibmServeRaidMIB.ibmServeRaidMibObje
> cts.ibmServeRaidInfo.ibmServeRaidPhysDeviceTable.ib
> mServeRaidPhysDeviceEntry.ibmServeRaidPhysDeviceStatus

This is the column oid in a table.

> 
> Unfortunatly the output of that snmp call i this:
> 
> enterprises.ibm.ibmProd.ibmServeRaid.ibmServeRaidMIB.ibmServeRaidMibObje
> cts.ibmServeRaidInfo.ibmServeRaidPhysDeviceTable.ibmServeRaidPhysDeviceE
> ntry.ibmServeRaidPhysDeviceStatus."110" = empty(7)

This is the instance of a row in the above column.


> I said unfortunatly because, as you can see, the identifier fo the disk
> i betweeen "comma"!!!(arggg damn ibm)

There a re quite a few mibs that use an octect string as table index 

> That seems not to be a problem for snmpget command in fact if i do this:
> 
> []# snmpget 192.168.0.37 public
> enterprises.ibm.ibmProd.ibmServeRaid.ibmServeRaidMIB.ibmServeRaidMibObje
> cts.ibmServeRaidInfo.ibmServeRaidPhysDeviceTable.ibmServeRaidPhysDeviceE
> ntry.ibmServeRaidPhysDeviceStatus.\"113\"
> enterprises.ibm.ibmProd.ibmServeRaid.ibmServeRaidMIB.ibmServeRaidMibObje
> cts.ibmServeRaidInfo.ibmServeRaidPhysDeviceTable.ibmServeRaidPhysDeviceE
> ntry.ibmServeRaidPhysDeviceStatus."113" = online(2)
> 
> I got a right answer 
> 
> while if i use the check_snmp command with the same sintax i got this:
> 
> 
> []# /usr/local/netsaint/libexec/check_snmp 192.168.0.37 -C public -o
> enterprises.ibm.ibmProd.ibmServeRaid.ibmServeRaidMIB.ibmServeRaidMibObje
> cts.ibmServeRaidInfo.ibmServeRaidPhysDeviceTable.ibmServeRaidPhysDeviceE
> ntry.ibmServeRaidPhysDeviceStatus.\"113\" -l Disco -s "online(2)" Could
> not open pipe: /usr/bin/snmpget -m ALL -v 1 192.168.0.37 public
> enterprises.ibm.ibmProd.ibmServeRaid.ibmServeRaidMIB.ibmServeRaidMibObje
> cts.ibmServeRaidInfo.ibmServeRaidPhysDeviceTable.ibmServeRaidPhysDeviceE
> ntry.ibmServeRaidPhysDeviceStatus."113"
> 
> 
> Why?
> 
> Well i found out what seems to be...
> 
> >From netsaint/nagios FAQ
> 
> "If you have defined a process check command that uses the
> check_netsaint 
> plugin, make sure that the plugin is functioning as it should. Execute 
> the check_netsaint plugin from the command line and check the results. 
> If the plugin is reporting that the NetSaint process cannot be found or 
> if it returns a "Could not open pipe" message, you may need to edit the 
> PS_RAW_COMMAND definition in the common/config.h file of the plugin 
> distribution to match the syntax for the *ps* command on your system. 
> For example, under FreeBSD you should use either /"/bin/ps -ao 'state 
> user ppid args'"/ or /"/bin/ps -axo 'state user ppid command'"/ (it 
> seems to vary). Once you've changed the PS_RAW_COMMAND definition, 
> recompile the plugins and test the newly compiled check_netsaint plugin 
> to see if it works."
> 

This issue is not related to the problem you are having. It was about the 
check_netsaint/check_nagios plugins.


run the check_snmp command in verbose mode
run the check_snmp command under strace

post the output of the two..
-- 

-sg