Steps to completely clear CRS after installing RAC failure on Linux

Failed to install RAC on Linux, complete removal of the CRS steps as follows:

1. Stop Nodeapps at all nodes

Srvctl Stop Nodeapps-n NodeName

2. Remove CRS Auto Start program

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

3, kill CSS/CRS/EVM process, and reboot node

Ps-ef | grep CSS/CRS/EVM

Kill-9 ProcessID

4, delete/tmp/.oracle or/var/tmp/.oracle

Rm-f/tmp/.oracle or Rm-f/var/tmp/.oracle

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5, delete Ocr.loc

Rm-f/etc/oracle/orc.loc

6. Uninstall CRS with Oracle Universal Installer

7. Delete CRS installation directory

RM-RF Crs_install_dir

8. Use DD to clear vote disk and OCR (bare device)

DD If=/dev/zero f=/dev/votedisk_device bs=8192 count=2560

DD If=/dev/zero f=/dev/ocr_device bs=8192 count=12800