Oracle RAC Interview Questions and Answers for Experienced - 2

Question: 6

What is the use of RMSn?

RMNs are RAC Management Processes. These processes manage RAC and create more resources whenever new instances are added to RAC.

Question: 7

Explain the software component of RAC?

In a RAC set up, each node has an instance similar to a non RAC database.

Each instance in RAC has its own memory structures and background processes.

Oracle RAC instances use two processes: GRS (Global Enqueue Service) and GCS( Global Cache Service) that enable cache fusion.

Question: 8

Which tools are available to manage RAC environment?

RAC can be managed using Oracle Enterprise Manager (OEM), Server Control Utility (srvctl) and Database Configuration Assistant (DBCA).

Question: 9

Give some example of storage solutions that support cluster storage.

Automatic Storage Management (ASM), raw disk devices, Network File System (NFS), and Oracle Cluster File Systems (OCFS2 and OCFS) support cluster storage.

Question: 10

How can you connect to a specific node in a RAC environment?

You can use the tnsnames.ora configuration file to ensure that you have the INSTANCE_NAME parameter specified in it.