HP XP Racks - Manual (Page 10)

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