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Oracle RAC

Términos RAC a estudiar

Voting Disks Uses VD to determine which nodes are members of a cluster. You can configure VD on ASM, or shared storage. You should have at least 3 VD, unless you have a storage device, such as a disk array that provides external redundancy.
Oracle Cluster Registry Clusterware uses OCR to store and manage info about the components that Clusterware controls, such as db, listeners, VIPs, services and any applications. OCR stores configuration information in a series of key-value pairs in a tree structure
CRS Primary prog for mnging HA operations in a cluster The crsd manages resources based on the config info that is stored in OCR for each resource When you have RAC installed, the crsd process monitors db, and so on, and autom restarts when a fail occurs
Created by: fcojaviermr77