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gmane.network.net-snmp.user |
| Message-ID |
<[email protected]> |
Hi,
I figured out what the problem was. The NFS mounts our machines had were
hanging, thus causing SNMP to hang when requesting data about these
storages.
I remounted the NFS mounts and all is working again.
Thought I'd let you all know.
-Jeffrey
---------------------------------
Jeffrey Lensen
hyves: http://skyler.hyves.nl
mail/msn: [email protected]
Pamidipati Suresh-G20238 wrote:
> Hi Jeffrey,
>
> As the following statements show that open call is returned with error
> ENOENT, snmpd didn't get stuck at this function call.
>
> Regards,
> Suresh.
>
>
>
> -----Original Message-----
> *From:* [email protected]
> [mailto:[email protected]] *On Behalf
> Of *[email protected]
> *Sent:* Tuesday, July 18, 2006 3:01 PM
> *To:* [email protected]
> *Subject:* Re: SNMPD hangs after awhile
>
> Thanks Suresh.
>
> I ran strace and for some reason, it cleaned out the queue...
> I'm not exactly sure why snmpd gets stuck. When I keep strace open
> and I send a snmpwalk to the host and it starts to hang again. I
> see alot of functions being called, but the only somewhat
> error-like notification I can find is this one:
>
> open("/etc/hosts.allow", O_RDONLY) = -1 ENOENT (No such
> file or directory)
> open("/etc/hosts.deny", O_RDONLY) = -1 ENOENT (No such
> file or directory)
>
> Which is correct, cause they don't exist. Could snmpd really crash
> because of this???
>
> -Jeffrey
>
>---------------------------------
>Jeffrey Lensen
>hyves: http://skyler.hyves.nl
>mail/msn: [email protected]
>
>
>
>
> Pamidipati Suresh-G20238 wrote:
>
>> Hi,
>>
>> I don't the reason for this behavior..
>> But, on mvl-ppc, we also observed that snmpd hangs sometimes.
>> When we checked the strace of SNMPD at that point of time, it was
>> stuck in the SYS_265() system call. Can you please check with
>> strace when snmpd hangs.
>>
>> Thanks,
>> Suresh.
>>
>>
>>
>> -----Original Message-----
>> *From:* [email protected]
>> [mailto:[email protected]] *On
>> Behalf Of *[email protected]
>> *Sent:* Tuesday, July 18, 2006 1:57 PM
>> *To:* [email protected]
>> *Subject:* SNMPD hangs after awhile
>>
>> Hello all,
>>
>> Currently I have Nagios set up to use SNMP 5.2.2 to perform
>> checks on nearly 200 machines. Recently some of my SNMPD
>> daemons started hanging and stop responding to snmp requests.
>> When I check with netstat, I get these results back:
>>
>> Active Internet connections (only servers)
>> Proto Recv-Q Send-Q Local Address Foreign
>> Address State PID/Program name
>> udp 107824 0 *:snmp
>> *:* 31154/snmpd
>>
>> The Recv-Q has become insanely high (it's always 107824),
>> which leads me to believe the SNMPD daemon has been floaded
>> with requests somehow.
>> Does anyone know a workaround of some kind, or a way to flush
>> the queue if the SNMPD daemon crashed or something?
>>
>> Thanks!
>>
>> -Jeffrey
>>
>>--
>>---------------------------------
>>Jeffrey Lensen
>>hyves: http://skyler.hyves.nl
>>mail/msn: [email protected]
>>
>>
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