手工删除19c rac

ZhangQi

在某些时候,需要删除掉手工删除19c RAC,重新安装,以下是比较简便的操作(使用root用户操作)

source /home/grid/.bash_profile
crsctl stop crs
systemctl disable oracle-ohasd
systemctl stop oracle-ohasd
systemctl disable oracle-tfa.service
systemctl stop oracle-tfa

rm -rf /etc/oracle
rm -rf /etc/ora*
rm -rf /u01
rm -rf /tmp/CVU*
rm -rf /tmp/.oracle
rm -rf /var/tmp/.oracle
rm -f /etc/init.d/init.ohasd
rm -f /etc/systemd/system/oracle-ohasd.service
rm -f /etc/systemd/system/oracle-tfa.service

--清理ASM磁盘
dd if=/dev/zero of=/dev/asm_ocr1 bs=1024 count=1
dd if=/dev/zero of=/dev/asm_ocr2 bs=1024 count=1
dd if=/dev/zero of=/dev/asm_ocr3 bs=1024 count=1