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Oracle Database 11g Oracle Real Application Clusters Handbook, Second Edition by K Gopalakrishnan

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Backup and Recovery of the Voting Disk and OCR

The voting disk and OCR are the two critical components in Oracle Clusterware. Here we discuss the backup and recovery of the voting disk and OCR.

Oracle Clusterware backups should include the voting disk and OCR components. The voting disk is a disk partition that stores information about the status of the nodes and membership details. The OCR is a file that manages the configuration and the details about the services. We recommended mirroring the voting disk and the OCR using Oracle-provided mirroring techniques. Mirroring the voting disk and OCR can be configured during installation or at later stages dynamically.

Backup and Recovery of Voting Disks

Voting disks can be backed up by the standard ...

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