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opatch invokes fuser even though OPATCH_NO_FUSER is to true (Doc ID 2897864.1)

Last updated on APRIL 17, 2023

Applies to:

Oracle Database - Enterprise Edition - Version and later
Information in this document applies to any platform.


 During patch apply, OPatch checks for active files and executables defined in patch inventory.xml using “fuser” command.
 If OPATCH_NO_FUSER is set to true, OPatch will not check if these files defined in executables are busy.This is an expected behavior . In this scenario ,fuser is still invoked during opatch pre-requisite checks.

following output of opatch log when debug is set on (i.e export OPATCH_DEBUG=TRUE)




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