a2zinterviews

45.	Explain the procedure of restoring RMAN for the recovery if all the instances are down.
	Following is the procedure of restoring RMAN for the recovery: Bring all the nodes down Start a node Restore all the datfiles and archive logs Recover the node Open the database Bring other nodes up Confirm that all nodes are operational
	Discuss Your Name Your Email-ID Your Answer

46.	What is the use of cluster interconnect?
	Cluster interconnect is the network between any two nodes in RAC. It is used for any communication between two nodes. Generally, it is a high speed connection used for cache fusion.
	Discuss Your Name Your Email-ID Your Answer

47.	Why do we need to store datafiles in shared storage in RAC environment?
	A RAC setup is essentially a single database accessible through multiple nodes. Therefore, the datafiles in a RAC setup must be share while the processes, which are used to manage or access those files, are available on each individual node.
	Discuss Your Name Your Email-ID Your Answer

48.	What is the difference between server side and client side connection load balancing?
	Listener performs client side load balancing on client while load balancing advisory is used for server side load balancing. Server side load balancing distributes processing work load among Oracle RAC nodes; whereas, client side load balancing distributes new connections among Oracle RAC nodes.
	Discuss Your Name Your Email-ID Your Answer