11G: OCR Manual Backups

OCR is a file that manages cluster and Oracle Real Application Clusters (Oracle RAC) database configuration information. The OCR contains information about the cluster node list, instance-to-node mapping information, and…

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ASM Disk Discovery

While creating ASM diskgroup or adding new disk to a existing diskgroup, Disk should be visible in V$ASM_DISK. ASM discovers and examines the contents of all of the disks that…

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CPU (Critical Patch Update) and N-apply

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OVERVIEW Oracle has been regularly releasing security fixes for all it's products to take care of any security vulnerability. Since 2005 Oracle formulated a policy that it will release CPU…

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