12c Upgrade : DBUA fails with Error ORA-27125: unable to create shared memory segment
(Doc ID 2106336.1)
Last updated on FEBRUARY 13, 2019
Applies to:Oracle Database - Enterprise Edition - Version 220.127.116.11 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Oracle Solaris on SPARC (64-bit)
While upgrading from 11gr2 to 12c(18.104.22.168),DBUA fails with below error –
The environment is a Solaris Super Cluster where AMM(Automatic Memory Management) & hence effectively,OSM(Optimized Shared Memory segment) is being used.
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