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For 12c Database what is the difference between _exafusion_enabled (type: string) and exafusion_e

edited Mar 13, 2016 5:00AM in Database Administration (MOSC) 2 commentsAnswered

Going through a 12c database upgrade and trying to address an issue we are trying to avoid on an EBS Exadata database after the upgrade is completed based on recommendations within SuperCluster/Exadata: Stopping/Restarting 12.1.0.2 CRS/DB cause node panic on Solaris (Doc ID 1947141.1).

The document mentions just setting the hidden parameter _exafusion_enabled=FALSE, but what about the non-hidden version, exafusion_enabled init.ora parameter,  should that be turned off too?  

Also trying to understand why two versions for this parameter exists.  Can the hidden parameter be set dynamically to override the exafusion_enable init.ora parameter without bouncing the database perhaps?

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