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Your company can back up the control file when how the database is mounted along with open. RMAN has a snapshot control folder to ensure a read-consistent version. If Set up CONTROLFILE AUTOBACKUP is For (by default it is OFF), then RMAN essentially backs up the control file and server parameter file after every back-up and after database basique changes. The limit file autobackup contains meta-data about the previous backup, which is crucial to achieve disaster recovery.
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Together with client load balancing enabled, the driver randomly determines the order of my connection attempts to nodes throughout the Oracle RAC system. For example, Node B may end tried first, followed after Nodes D, C, with a. Subsequent connection retry attempts will continue to be use this order. Using a randomly learned order makes it a great deal likely that any type node in the Oracle RAC system will continually be so overwhelmed with transmission requests that it perfectly start refusing connections.
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