HP StorageWorks 8000 NAS - Manual (Page 27)

NAS 8000 Concepts 25
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Figure 2 Cluster Components
Failover Models
Failover is a backup operational mode in which the functions of one NAS
server are assumed by the other NAS server when a NAS server becomes
unavailable through failure or scheduled down time.
The following two modes are supported for the NAS servers in the cluster:
■ Active/Active
■ Active/Passive