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Which procedure would you employ to achieve the necessary application restart at the Source site?

In the exhibit above, an SRDF/AR Single Hop scenario is depicted. A failover has been performed. The R1-BCv is spilt from the Standard device at the Source site and the R1-BCV and R2 SRDF pair is in a failed-over state. At the Target site, the production application is now running from the R2 volume and the BCV is split from the R2 volume. Which procedure would you employ to achieve the necessary application restart at the Source site?

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A.
Perform a symmir restore operation from the BCV to the R2 at the Target site When the number of invalid tracks between the BCV and the R2 is at an acceptable level, stop the application and perform a symrdf failback operation. Monitor for 100% synchronization between the R2 and R1-BCV and then perform a symrdf suspend operation. Perform a symmir restore operation from the R1-BCV to the Standard device and restart the application on the Standard device.

B.
Perform a symrdf update operation. When the number of invalid tracks between the R1-BCV and the R2 is at an acceptable level, stop the application and perform a symrdf failback operation. Monitor for 100% synchronization between the R2 and R1-BCV and then perform a symrdf suspend operation. Perform a symmir restore operation from the R1-BCV to the Standard device the restart the application on the Standard device.

C.
Perform a symrdf update operation. When the number of invalid tracks between the R1-BCv and the R2 is at an acceptable level, stop the application and perform a symrdf swap operation. Perform a symmir restore operation from the R1-BCV to the Standard device and restart the application on the Standard device.

D.
Perform a symrdf update operation. When the number of invalid tracks between the R1-BCV and the R2 is at an acceptable level, stop the application and perform a symrdf restore operation. Monitor for 100% synchronization between the R2 and R1-BCV and then perform a symrdf suspend operation. Perform a symmir restore operation from the R1-BCV to the Standard device and restart the application on the Standard device.


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