Installing and configuring the shared disk subsystem

OPS/RAC stores all common data such as logs, control files, and Oracle data in the shared disk that can be accessed by all OPS/RAC instances in different nodes. Each instance of an OPS/RAC database has its own log files that should be in the shared disk so that other instances can access them during recovery. Control files and data files are shared by instances in the cluster, so they are also put into the shared disk. You can install OPS/RAC binaries into the shared disk or into local disks of each node. We chose to install the binaries into the local disk of each node. The shared disk subsystem must be partitioned to be shared raw. The raw devices must be created by the root user.

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