Setting MEMORY_TARGET Greater Than 256Gb Causes ORA-27123 And Linux-x86_64 Error: 22 (Doc ID 1500181.1)

Last updated on OCTOBER 19, 2012

Applies to:

Oracle Server - Enterprise Edition - Version 11.2.0.3 and later
Linux x86-64

Symptoms

When attempting to start the database with MEMORY_TARGET equal to or greater than 250GB the following errors occurs:


ORA-27123: unable to attach to shared memory segment
Linux-x86_64 Error: 22: Invalid argument
Additional information: 7
Additional information: 1048578

 

Cause

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