Patchrm is the recommended way of removing patches from the system, although the version of backoutpatch that is supplied with the patch itself can also be used if required. Don't forget that patches cannot be backed out if the “-d” option was used to install them, since this does not save copies of the replaced software.
For example, to backout patch 105181-03, we would run the following:
hydrogen# cd /var/sadm/patch hydrogen# patchrm 105181-03 Checking installed patches... Backing out patch 105181-03... Patch 105181-03 has been backed out. hydrogen#
The removal process is simply a reverse of the installation process: The patch directory itself (/var/sadm/patch/<patch id>) will be removed. The save file that was created for ...