Completely uninstall Oracle and grid software

This article mainly describes how to completely uninstall Oracle and grid software.

Operating Environment

SuSE11

Operation Steps

1. Switch Oracle user, stop Oracle Database Listener and DB instance

/as sysdba SQL> shutdown immediate; SQL> Exit

2. Switch grid user, stop ASM instance monitoring and has service under grid

-F

Description: You can use Ps-ef | Grep-e ' Oracle|grid ' | Grep-v grep to confirm if there are any processes. If so, kill them manually.

3, switch root user, delete/opt/oracle,/opt/oracrs,/opt/oraadm,/opt/orainventory directory

rm -rf/opt/ rm-rf/opt/rm -rf/opt/oraadm
root# rm-rf/opt/orainventory

4. Delete Dbhome, oraenv, coraenv files in/usr/local/bin directory

rm /usr/local/bin/ rm/usr/local/bin/rm /usr/local/bin/coraenv

5. Delete Oratab, orainst.loc files in/etc directory

rm /etc/rm /etc/orainst.loc

6. Delete the/tmp directory to install the related files generated by Oracle

rm ora*RMrm cuv*rm orainst*

7. Delete Oracle users and grid users

root# Userdel--rf grid

8. Delete DBA and Oinstall user group

root# Groupdel dbaroot# Groupdel oinstall

9. Cleaning up DG Information

root# cd/dev/ddif=/dev/zero of=./dg_ora bs=8k count=10240DD if=/dev/zero of=./dg_data bs=8k count=10240ddif=/dev/zero of=./dg_ Backup bs=8k count=10240

10. End of operation.

Completely uninstall Oracle and grid software