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How to Run OUI Prerequisite Check

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OUI Prerequisite Check

To make sure that the database server is ready for installing Oracle home, we can perform a dry run to determine the fulfillment of prerequisites by Oracle universal installer (OUI).

Here we run the installer with -executePrereqs flag by the following ways.

  1. Using GUI
  2. Silent Mode

Either way runs only prerequisite check, nothing is applied.

Using GUI

We can visually see items which can not pass the prerequisite check.

[oracle@test ~]$ $ORACLE_HOME/runInstaller -executePrereqs
Launching Oracle Database Setup Wizard...
Oracle 19c Prerequisite Check

Oracle 19c Prerequisite Check

If the option "Ignore All" in the screen can be checked, the item is ignorable.

Silent Mode

If GUI cannot be an option in your situation, e.g. no X window (X11), you may also check the prerequisite in silent mode.

[oracle@test ~]$ $ORACLE_HOME/runInstaller -executePrereqs -silent
Launching Oracle Database Setup Wizard...

[WARNING] [INS-13014] Target environment does not meet some optional requirements.
CAUSE: Some of the optional prerequisites are not met. See logs for details. /tmp/InstallActions2023-01-17_07-05-59PM/installActions2023-01-17_07-05-59PM.log
ACTION: Identify the list of failed prerequisite checks from the log: /tmp/InstallActions2023-01-17_07-05-59PM/installActions2023-01-17_07-05-59PM.log. Then either from the log file or from installation manual find the appropriate configuration to meet the prerequisites and fix it manually.

We may check the log file for more information.

[oracle@test ~]$ vi /tmp/InstallActions2023-01-17_07-05-59PM/installActions2023-01-17_07-05-59PM.log
...
INFO:  [Jan 17, 2023 7:06:05 PM] Swap Size: This is a prerequisite condition to test whether sufficient total swap space is available on the system.
INFO:  [Jan 17, 2023 7:06:05 PM] Severity:IGNORABLE
INFO:  [Jan 17, 2023 7:06:05 PM] OverallStatus:VERIFICATION_FAILED
INFO:  [Jan 17, 2023 7:06:05 PM] -----------------------------------------------
INFO:  [Jan 17, 2023 7:06:05 PM] Verification Result for Node:test
INFO:  [Jan 17, 2023 7:06:05 PM] Expected Value:8.3027GB (8706056.0KB)
INFO:  [Jan 17, 2023 7:06:05 PM] Actual Value:3.875GB (4063228.0KB)
INFO:  [Jan 17, 2023 7:06:05 PM] Error Message:PRVF-7573 : Sufficient swap size is not available on node "test" [Required = 8.3027GB (8706056.0KB) ; Found = 3.875GB (4063228.0KB)]
INFO:  [Jan 17, 2023 7:06:05 PM] Cause: The swap size found does not meet the minimum requirement.
INFO:  [Jan 17, 2023 7:06:05 PM] Action: Increase swap size to at least meet the minimum swap space requirement.

It's also the SWAP size problem, such failed prerequisites can be ignored in silent mode.

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