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How to Clean Up After a Failed Oracle Clusterware (CRS) Installation

原创 Linux操作系统 作者:oracle_ace 时间:2009-08-25 10:39:11 0 删除 编辑
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 sufficent to clean up your CRS install.  Rootdelete.sh
accepts options like nosharedvar/sharedvar, and nosharedhome/sharedhome. Make
yourself familiar with these options by reading the Oracle Clusterware and
Oracle Real Application Clusters Administration and Deployment Guide.
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

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
    ps -ef | grep evm
    kill
    ps -ef | grep css   
    kill

   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 /*

9. Clean out the OCR and Voting Files with dd commands.  Example:

        dd if=/dev/zero f=/dev/rdsk/V1064_vote_01_20m.dbf bs=1M count=256
        dd if=/dev/zero f=/dev/rdsk/ocrV1064_100m.ora bs=1M count=256

   See the Clusterware Installation Guide for sizing requirements... 

   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. It is good practice to reboot the node before starting the next install.

11.If you would like to re-install CRS, follow the steps in the RAC Installation manual.

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