HP Surestore E Disk Array XP256 HP XP P9000 External Storage Access Manager Us - Page 10
Remote Web Console GUI, RAID Manager (RAID Manager), Data replication, Failover
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Remote Web Console GUI You perform ESAM tasks using the RWC graphical user interface. RWC is installed on a management computer. It communicates with the SVP of each storage system over defined TCP/IP connections. RAID Manager (RAID Manager) You can run commands using RAID Manager to perform pair tasks, which is installed on the host. You run commands from a command device on the host. Disaster recovery operations use a mix of RWC and RAID Manager. Data replication ESAM supports data sharing between the following volumes: • A volume in the primary P9500 system and a volume in secondary P9500 system. • Volumes in external storage systems. • A volume in the primary or secondary storage system and a volume in an external storage system. Failover A failover is an automatic takeover of operations from the primary storage system to the secondary storage system. This occurs when the primary storage system cannot continue host operations due to a failure in either the data path or the primary storage system. The multipath software in the host switches I/O to the remote system. A multipath software package that has been qualified with ESAM must be installed on the host. 10 External Storage Access Manager overview