How to Remove Failed Oracle CRS Install

Information about How to Remove a Failed Oracle CRS Install

Guide to remove or clean up a failed CRS Installation

Document Creator Todd Walters

How to Remove Failed CRS Installation

Subject: 10g RAC: How to Clean Up After a Failed CRS InstallDoc ID: Note:239998.1Type: BULLETINLast Revision Date: 01-JUN-2007Status: PUBLISHED

PURPOSE

• The purpose of this document is to help DBA's and support analysts understand how-to clean up a failed CRS (Cluster Ready Services) install for 10g RAC.

SCOPE & APPLICATION

• DBA's and Support Analysts
  10g RAC: How to Clean Up After a Failed CRS Install
• Not cleaning up a failed CRS install can cause problems like node reboots.
  Follow these steps to clean up a failed CRS install:
1. Run the rootdelete.sh script then the rootdeinstall.sh script from the $ORA_CRS_HOME/install directory on any nodes you are removing CRS from. Running these scripts should be sufficient to clean up your CRS install. If you have any problems with these scripts please open a service request. If for some reason you have to manually remove the install due to problems with the scripts, continue to step 2:
2. Stop the Nodeapps on all nodes:
• srvctl stop nodeapps -n <node name>
3. Prevent CRS from starting when the node boots. To do this issue the following as root:
• Sun:
  rm /etc/init.d/init.cssd
  rm /etc/init.d/init.crs
  rm /etc/init.d/init.crsd
  rm /etc/init.d/init.evmd
  rm /etc/rc3.d/K96init.crs
  rm /etc/rc3.d/S96init.crs
  rm -Rf /var/opt/oracle/scls_scr
  rm -Rf /var/opt/oracle/oprocd
  rm /etc/inittab.crs
  cp /etc/inittab.orig /etc/inittab
• Linux:
  rm /etc/oracle/*
  rm -f /etc/init.d/init.cssd
  rm -f /etc/init.d/init.crs
  rm -f /etc/init.d/init.crsd
  rm -f /etc/init.d/init.evmd
  rm -f /etc/rc2.d/K96init.crs
  rm -f /etc/rc2.d/S96init.crs
  rm -f /etc/rc3.d/K96init.crs
  rm -f /etc/rc3.d/S96init.crs
  rm -f /etc/rc5.d/K96init.crs
  rm -f /etc/rc5.d/S96init.crs
  rm -Rf /etc/oracle/scls_scr
  rm -f /etc/inittab.crs
  cp /etc/inittab.orig /etc/inittab
• HP-UX:
  rm /sbin/init.d/init.cssd
  rm /sbin/init.d/init.crs
  rm /sbin/init.d/init.crsd
  rm /sbin/init.d/init.evmd
  rm /sbin/rc2.d/K960init.crs
  rm /sbin/rc2.d/K001init.crs
  rm /sbin/rc3.d/K960init.crs
  rm /sbin/rc3.d/S960init.crs
  rm -Rf /var/opt/oracle/scls_scr
  rm -Rf /var/opt/oracle/oprocd
  rm /etc/inittab.crs
  cp /etc/inittab.orig /etc/inittab
• HP Tru64:
  rm /sbin/init.d/init.cssd
  rm /sbin/init.d/init.crs
  rm /sbin/init.d/init.crsd
  rm /sbin/init.d/init.evmd
  rm /sbin/rc3.d/K96init.crs
  rm /sbin/rc3.d/S96init.crs
  rm -Rf /var/opt/oracle/scls_scr
  rm -Rf /var/opt/oracle/oprocd
  rm /etc/inittab.crs
  cp /etc/inittab.orig /etc/inittab
• IBM AIX:
  rm /etc/init.cssd
  rm /etc/init.crs
  rm /etc/init.crsd
  rm /etc/init.evmd
  rm /etc/rc.d/rc2.d/K96init.crs
  rm /etc/rc.d/rc2.d/S96init.crs
  rm -Rf /etc/oracle/scls_scr
  rm -Rf /etc/oracle/oprocd
  rm /etc/inittab.crs
  cp /etc/inittab.orig /etc/inittab
4. If they are not already down, kill off EVM, CRS, and CSS processes or reboot the node:
• ps -ef | grep crs
• kill <crs pid>
• ps -ef | grep evm
• kill <evm pid>
• ps -ef | grep css
• kill <css pid>
• Do not kill any OS processes, for example icssvr_daemon process !
5. If there is no other Oracle software running (like listeners, DB's, etc...), you can remove the files in /var/tmp/.oracle or /tmp/.oracle.
• Example: rm -f /var/tmp/.oracle or  rm -f /tmp/.oracle
6. Remove the ocr.loc Usually the ocr.loc can be found at /etc/oracle
7. De-install the CRS home in the Oracle Universal Installer
8. Remove the CRS install location: rm -Rf <CRS Install Location>/*
9. Clean out the OCR and Voting Files with dd commands.
• Example:
• dd if=/dev/zero of=/dev/rdsk/V1064_vote_01_20m.dbf bs=8192 count=2560
• dd if=/dev/zero of=/dev/rdsk/ocrV1064_100m.ora bs=8192 count=12800
• If you placed the OCR and voting disk on a shared filesystem, remove them.
• If you are removing the RDBMS installation, also clean out any ASM disks if they have already been used.
10. If you would like to re-install CRS, follow the steps in the RAC Installation manual.