Dell PowerStore 500T EMC PowerStore REST API Reference Guide - Page 253
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planned failover: • Unplanned failover • Delete the replication session by removing the protection policy on the storage resource After a planned failover, the replication session is in an inactive state. You can use the reprotect action to synchronize the destination storage resource, and then resume the replication session. The auto-reprotect feature can also be used after a planned failover by using the reverse parameter, which activates the session in the reverse direction. Unplanned failures are events such as source system failure or an event on the source system that leads to downtime for production access. Unplanned failovers are issued from the destination system, and are indicated by setting the is_planned parameter to false. Unplanned failovers provide production access to the original destination resource from a preview synchronized point-in-time snapshot referred to as replication common-base. After an unplanned failover, you can restore the system from any point-in-time snapshots on the new source resource. Unplanned failovers place the original source resource into destination mode once it reestablishes a connection to the source system. You can use the reprotect action to synchronize the destination storage resource, and then resume the replication session. After the replication session has failed over, you can resize the volume group or change the volume group membership on the new source resource. Parameters Type Path Name id required Description Unique identifier of the replication session. Schema string Body body optional replication_session_f ailover Responses HTTP Code 204 Description Success 400 Invalid Request 404 Not Found 422 Operation Failed Schema No Content error_response error_response error_response 252
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