1, through the root user into the grid oracle_home
[[Email protected]]# source/home/grid/.bash_profile
[[Email protected]]# cd $ORACLE _home/crs/install/
2, run for example the following two scripts (only one node running, the root user)
[Email protected]]#./rootcrs.pl-verbose-deconfig-force
[Email protected]]#./crsconfig_params
3, switch to the grid user, run deinstall to uninstall, according to the prompt is complete, and then go to another node as prompted to run the corresponding script.
[[Email protected]]# Su-grid
[Email protected]]$./deinstall
4. Delete the Oracle files under the/etc/folder with root (two nodes running)
[Email protected]]$ exit
[[Email protected]]# rm-rf/etc/orainst.loc
5. Format ASM Disk header.
[[email protected]] DD If=/dev/zero count=10 bs=512 of=/dev/sde1
Oracle 11g RAC Manual Uninstall Grid,no deinstall
