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Failover is a emergency practice to avoid any point of failure,business impact due to loss of service and acts as a high availability.There is data loss from the point of failure The issue occurs due to unexpected event like disaster,war,datacenter destruction etc So we have two objectives : RTO(recovery time objective) and RPO(recovery point objecive)Continue reading “Failover simulation in dataguard”
Switchover is an activity which acts as a role reversal with guaranteed protection to data. Here primary database acts as a standby and standby database acts as a primary!! We can perform switchover in situations like maintenance of primary database like patching,migration of a database from one server to another etc.. ON PRIMARY: Check theContinue reading “Switchover on dataguard”
Solution: Check for the location of the asm disks on the mountpoint Specify the same location on the “change discovery path” ASM Disks are visible now cool!!!
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