Ubuntu 10.04 / OMSA / SNMP memory issue

Prudhvi_Tella at Dell.com Prudhvi_Tella at Dell.com
Fri Sep 10 11:45:32 CDT 2010


This issue has been raised couple weeks ago (on SLES 11 SP1 too), and is currently being investigated. We will post an update once the development team finds the root cause.

> ------------------------------
> 
> Message: 5
> Date: Fri, 10 Sep 2010 17:29:21 +0200
> From: Karsten Suehring <ksuehring at web.de>
> Subject: Ubuntu 10.04 / OMSA / SNMP memory issue
> To: linux-poweredge at dell.com
> Message-ID: <4C8A4ED1.3050402 at web.de>
> Content-Type: text/plain; charset=ISO-8859-1
> 
> Hi,
> 
> I'm using OMSA on different PowerEdge machines with Ubuntu Linux (64-bit)
> as my OS. I'm also
> using Nagios with the check_openmanage module to monitor these
> machines.
> 
> My setup seems to work fine with Ubuntu 9.04 (Jaunty) and the
> Debian/Ubuntu packages provided
> by Sara (https://subtrac.sara.nl/oss/omsa_2_deb).
> 
> Then I tried upgrading the Ubuntu release on one machine to 10.04 (lucid)
> and noticed that the
> dsm_sa_snmpd process memory usage grew about 30 MByte on each SNMP
> call from the
> check_openmanage script.
> 
> I filed the bug into the Sara bug tracker and there seem to be other people
> with the same
> problem, but no solution so far.
> <https://subtrac.sara.nl/oss/omsa_2_deb/ticket/65>
> <https://subtrac.sara.nl/oss/omsa_2_deb/ticket/66>
> 
> I now uninstalled the Sara packages and installed the official packages from
> Dell and I'm still
> seeing the same problem.
> 
> I can trigger the memory growth by calling check_openmanage by hand, but
> not with snmpwalk
> (snmpwalk -OS -v 1 -c public $HOST .1.3.6.1.4.1.674.10892.1)
> 
> I suspect that the problem is caused somewhere by the SMUX interaction
> between the OMSA SNMP
> daemon and net-snmpd which has been updated in Ubuntu 10.04.
> 
> Does anybody have an idea how to solve this problem?
> 
> Best regards,
> Karsten
> 
> 
> 
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> 
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