A company has implemented a stretch cluster, active/passive configuration, between two sites that are 100km apart in conjunction with synchronous data replication. They want to perform an upgrade to the primary server and need to run the application at the secondary site with minimal disruption, while still maintaining data integrity. What is the safest procedure to failover the application to the remote site without any data loss?
A.
stop services on local host, failover cluster alias, failover storage
B.
stop services on local host, failover application, failover cluster alias
C.
stop services on local host, failover storage, failover cluster alias
D.
stop services on local host, failover cluster alias, failover application