The SS hangs, consumes memory, and stops processing SNMP. Online Backup (OLB) fails and the SS will hang on shutdown as well.
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The SS hangs, consumes memory, and stops processing SNMP. Online Backup (OLB) fails and the SS will hang on shutdown as well.

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Article ID: 6216

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Updated On:

Products

CA Spectrum DX NetOps

Issue/Introduction

The SpectroSERVER's SNMP stack hangs and causes the following problems:

Online Backup (OLB) failures

SNMP requests are ignored

Updated SNMP communications are missed

False Management Agent Lost alarms are generated

Inability for the SS process to stop

Environment

Release: SDBSFO99000-10.2-Spectrum-Device Based Suite-Server FOC
Component:

Cause

This was due to code issues in the SpectroSERVERs SNMP layer.

Resolution

This is resolved in 10.2.1 and in the following patches for releases prior to 10.2.1:

10.2.0 - Spectrum_10.02.00.PTF_10.2.020*

(*This patch also includes a fix for SDM/SDC.)

10.1.2 - Spectrum_10.01.02.D101h

10.1.1 - Spectrum_10.01.01.D76j

 

The release notes show the following:

 

 Symptom: Rare but consistent SpectroSERVER hangs due to multiple problems with the SNMP subsystem. 

        Symptoms can include failed online backups, failed shutdowns and invalid management agent lost alarms.

 

        Resolution: Major overhaul of SNMP subsystem, designed to improve efficiency and stability. 

(DE198464, 00502085)

 

If you need one of the PTF or D patches above, please open a case and request the patch (http://support.ca.com).