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After changing System date in ILOM, node hangs on bootup with console showing failure at: Superblock last mount time "SOME TIME IN THE FUTURE" (Doc ID 2000224.1)

Last updated on SEPTEMBER 23, 2021

Applies to:

Exadata X5-2 Hardware - Version All Versions and later
Oracle Exadata Storage Server Software - Version 11.2.3.2.2 to 12.1.2.1.1 [Release 11.2 to 12.1]
Exadata X3-2 Hardware - Version All Versions and later
Oracle Cloud Infrastructure - Version N/A and later
Exadata X4-2 Hardware - Version All Versions and later
Information in this document applies to any platform.

Symptoms

After changing System date/time, node hangs on bootup.  Console shows failure at: Superblock last mount time ("SOME TIME IN THE FUTURE" Give root password for maintenance (or type Control-D to continue)):

This can occur on any OL version and can occur on Exadata or stand-alone systems.

Example from ILOM console:

 

 

Changes

Customer set the date/time to a point in the future using the command:

# date -s "14 APR 2016 11:11:11"                 <<< Future date

then changed it back to current date/time.

# date -s "14 APR 2015 11:11:11"                 <<< Current date

Cause

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