HP XP P9500 Storage User Manual
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Figure 25 A 4x4x4 Cascade configuration example
Operations during a host failure at the primary site
During a host failure at the primary site, the Reverse Resync function is used to reverse the copying
direction of the Continuous Access Synchronous Z copy group from the intermediate site to the
primary site. As a result, the configuration can be switched to a Multi-Target configuration whose
operations are performed from the intermediate site to continue the operations.
shows a configuration example after a failover during a host failure at the
primary site.
Replication products and data center configurations
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