Last updated on MARCH 01, 2017
Applies to:Oracle Database - Enterprise Edition - Version 10.2.0.1 and later
Linux RHEL 5 (PAE)
***Checked for relevance on 01-Mar-2017***
ORA-27123: unable to attach to shared memory segment when the instance starts.
Your SGA is configured bigger than 1.7 Gig.
Your O/S is Linux RHEL 5 (PAE).
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