Difference between IBM & SUN JVM/ Porting J2EE applications

Posted by Sagar Patil

IBM’s JVM is written to meet the specs as documented by Sun.  IBM runs the test suit against their JVM to make sure that what should occur does occur.  They (IBM) feel that their code performs the requested functions more efficiently and thus performs better while still providing the same results. IBM may throw one error exception while Sun’s may throw another.

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Dataguard : Applying CPU(Cirital Patch Update) to Dataguard Environment

Posted by Sagar Patil

I have One Primary database and 2 Physical Standby Databases under RHEL 5. Here is a process to patch them with JULY CPU update “Critical Patch Update Release 10.2.0.4 for UNIX Released July 13, 2010″

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Websphere: startManager.sh doesn't work while startServer.sh does

Posted by Sagar Patil

[Dmgr]$ /opt/IBM/WebSphere/AppServer/profiles/Profile/Dmgr/bin/startManager.sh

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Installing application(EAR/WAR) thru wsadmin

Posted by Sagar Patil

The isAppReady command returns a value of true if the system is ready to start the application, or a value of false if the system is not ready to start the application, as the following examples display: Read more…

Jython script to pull out stats from websphere

Posted by Sagar Patil

Currently I have number of websphere 6.1 instances under RHEL 5.3 but not a tool like hyperic, wily introscope to monitor them actively. I started using wsadmin scripts to pull out stats thru wsadmin.

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How to Locate unix process active on a specific Port

Posted by Sagar Patil

p=$(lsof -t -i :1159); echo $p $(tr ‘\0′ ‘\n’ < /proc/$p/cmdline | tail -1)
4066 /u01/app/oracle/product/11.2.0/dbhome_1/oc4j/j2ee/OC4J_DBConsole_Server1.oracledbasupport.co.uk_TEST/config/server.xml

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WebSphere Monitoring : Wasstat.sh to parse offline PervServletApp XML output

Posted by Sagar Patil

Please use following process when you have PerfServelet (PervServletApp application ) generated offline XML files.

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Websphere : How to apply a Fix Pack

Posted by Sagar Patil

I will list here steps carried out to patch websphere 6.1. ND deployment (vertical cluster with 2 JVMs ) from 6.1.0.21 to 6.1.0.29
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Dataguard: Shell script to List Archive gap between Primary & Standby

Posted by Sagar Patil

I was looking for a NAGIOS monitoring script which will list the archive gap between Primary and 2 of my Standby databases.

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Compare Websphere Configuration Details : Visual Configuration Explorer (VCE)

Posted by Sagar Patil

I have many websphere 6.x ND clustered servers and growing every single week. Lots of them are upgraded from previous websphere installations to ND 6.x now.

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