Chapter 3: Configuring Your Library
Managing Connectivity
Quantum Scalar i6000 User’s Guide 177
FC Host Port Failover Configure the optional FC Host Port Failover (HPF) feature so that an
alternate “standby” target port on an I/O blade can assume the identity
and LUN mapping configuration of the primary “active” target port if
the primary port fails. HPF enables the library to continue operations
without requiring you to reconfigure the host or the SAN.
To enable HPF, you must make sure that two ports on the FC I/O blade
are in target mode and point-to-point connection. Use ports 1 and 2,
which are ports that are traditionally configured to be host targets.
FC I/O blade ports are numbered from bottom to top as the blade sits in
the I/O management unit.
Both ports must be attached to the same SAN fabric to provide host
access. The active primary port is used for host communications, while
the passive standby port is kept idle. The way that you configure the
recovery settings determines how the failed port behaves after it is
restored from a failed state.
The library generates a ticket when port failover occurs. Examine the
ticket and the repair page associated with the ticket to determine the
reason for the failover.
To configure HPF, perform the following steps:
1 Log on as an administrator.
2 Make sure that you are viewing the physical library. From the View
menu, click the name of the physical library.
3 Confirm that there are two ports on the I/O blade in target mode
and point-to-point connection. For more information, see
Port
Configuration on page 173.
4 Click Setup > Blades > Connectivity > FC Host Port Failover. The
FC Host Port Failover dialog box appears, showing all the FC I/O
blades found in the library. Each blade is identified by name and by
location.
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