E20-845 Business Continuity Expert Exam for Implementation Engineers
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Note 2: E20-845 Answers are not shown in demo questions.
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Demo Question 5.
A customer needs to migrate its Oracle database on DMX via SRDF to a remote site several thousand kilometers away. To avoid I/O impact on host performance, synchronization is achieved with an SRDF Adaptive Copy configuration. Which process should you follow to guarantee consistency after the R1-R2 swap?
A. Wait for devices to reach the synchronized state, set the RDF mode to update until zero; then, using a hot-split of the Oracle database, failover operations.
B. After an appropriate number of invalids has been reached, set the RDF mode to update until zero; then, using a hot-backup of the Oracle database, failover operations.
C. Wait for devices to reach the synchronized state and split the link using the "-consistent" switch.
D. After an appropriate number of invalids has been reached, set the RDF mode to synchronous; then, using a hot-backup of the Oracle database, failover operations.
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