Issue:
Receiving TNS-12564: TNS:connection refused when trying to
startup my instance.
Reason:
The "TNS-12564: TNS:connection refused when trying to startup
my instance" was caused by a memory issue. My newly created instance
on my RAC was causing memory issues.
Fix:
I modified the Total SGA Size (MB) setting via Database Control on
my old instance, so that I could startup my new instance.
Use Xattr CloudFiler™ to dedup, encrypt and move your RMAN backups to the cloud.
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