a2zinterviews

13.	What is Global Resource Directory (GRD)?
	GRD is used to GES and GCS to maintain status of datafiles and cached blocks. This process provides required information for cache fusion and maintains data integrity.
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14.	List the characteristics of Oracle services?
	An Oracle service must have a unique name. It offers workload balancing and failover options.
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15.	What are the modes of deleting instances from Oracle RAC databases?
	You can delete the instance using either the silent mode or the interactive mode using DBCA.
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16.	Name some Oracle Clusterware tools and their uses?
	Following are several tools to manage Oracle Clusterware: Cluster Verification Utility (CVU): Verifies various cluster components to detect problems in the environment. Oracle Enterprise Manager (OEM) : Provides graphic user interface to manage database. Server Control – Refers to the command line utility to manage database. Cluster Ready Service Control (CRSCTL) – Refers to a command line tool to manually control Clusterware, such as start and stop Clusterware. Oracle Interface Configuration (OIFCFG) – Refers to a command line tool to allocate and de-allocate network interfaces to components. OCR Configuration (OCRCONFIG) – Refers to a command line tool that can be used for OCR administration.
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