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Instance shutdown frequently in Oracle RAC 11gr2 OL 6.2 64 bit

Hasan Al MamunJun 10 2014 — edited Jun 30 2014

I have Installed and deployed a 2-node RAC in Oracle Linux 6.2 64-bit. I have been facing Instance shutdown problem very frequently. In most of the cases I see the error

Status Failed ORA-12541: TNS:no listener (DBD ERROR: OCIServerAttach)

Facing problem with both the instances sometimes both are down and end user is disrupted. Sometimes Instance starts automatically and otherwise I have to explicitly start the instance(s). Is it possible that NAS is the culprit for the Instance shutdown because it is an old NAS, I have concern about it.

any suggestions... Please

Hasan Al Mamun

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Locked on Jul 28 2014

Added on Jun 10 2014

#11gr2, #performance-availability, #rac-asm-clusterware-installation

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