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GroupWise gwdva process causing 100% CPU utilization on virtualized Linux server

This document (7000192) is provided subject to the disclaimer at the end of this document.

Environment

GroupWise WebAccess 7.03
Novell GroupWise WebAccess 8.0
Novell Open Enterprise Server 2 (Linux)
VMWare ESX server


Situation

Users unable to login to GroupWise WebAccess
SLES 10 SP1 server running virtualized on VMware ESX server
GroupWise gwdva parent process causing 100% CPU utilization on Linux server
All GroupWise gwdva worker threads have died or are in <defunct> 
status
Error: Request rejected because all threads are busy

Resolution

Novell made changes to address this issue in GroupWise 7.03 Hot Patch 3 and GroupWise 8.0 Hot Patch 2, which has resolved the problem for most (but not all) customers. 

Workaround : To workaround the issue with the gwdva parent thread causing 100% utilization, you can temporarily disable the gwdva, which will force the webaccess agent to handle the document viewing requests, by doing the following:


1) Edit your /etc/opt/novell/groupwise/gwha.conf file and comment out the gwdva section (by adding a "#" character at the beginning of each line), as below:

#[gwdva.sles-server]

#server = /opt/novell/groupwise/agents/bin/gwdva

#command = /etc/init.d/grpwise

#startup = gwdva.dva

#delay = 2

#wait = 10


2) Edit your Webaccess agent startup file (normally /opt/novell/groupwise/agents/share/webac70a.waa and add the following switch:

/gwdvadisable


3) Stop and restart your groupwise agents by changing to the /etc/init.d directory and running ./grpwise stop and ./grpwise start


Disclaimer

This Support Knowledgebase provides a valuable tool for NetIQ/Novell/SUSE customers and parties interested in our products and solutions to acquire information, ideas and learn from one another. Materials are provided for informational, personal or non-commercial use within your organization and are presented "AS IS" WITHOUT WARRANTY OF ANY KIND.

  • Document ID:7000192
  • Creation Date:23-APR-08
  • Modified Date:27-APR-12
    • NovellGroupWise
      Open Enterprise Server
    • SUSESUSE Linux Enterprise Server

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