Category Archives: RAC

OHASD Fails To Start RAC Components…Or..”Please Continue,Sir”!

On Oracle 11.2.0.4, when a node crashes, and the storage disks are a bit late to the party (as being the cause of the crash!), when starting OHASD the manual way, it can happen it says it’s starting, kicks in … Continue reading

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When Adding A Node To RAC fails..Or.. “Try It Again, Sammy!”

Normally when adding a new node to a RAC Cluster is fairly simple, provided one keeps the OS the same, and specifically the Linux kernel EXACTLY the same..But as always, it’s different in the real world where reality is creating … Continue reading

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Converting Single Instance to RAC..OR..”Just add water..”

We had the need to clone a RAC for upgrading purposes, and although the steps are quite straight forward, there are always some caveats. The steps are: – Clone the RAC (or basically one node) to a single instance. – … Continue reading

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