User`s guide

Chapter 4 Configuring Your Library
Managing Connectivity
Scalar i6000 User’s Guide 154
6 After you finish selecting the port configuration settings, click OK.
A message appears that asks whether you want to make the change.
7 Click Yes.
FC Host Port Failover 4
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 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. 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.
Table 20 FC I/O Blade Port
Settings
Port Loop ID Speed Frame Size Port Mode Connection Option Private/Public
FC-1 Soft Auto 2048 Target Loop preferred Public
FC-2 Soft Auto 2048 Target Loop preferred Public
FC-3 Soft Auto 2048 Initiator Loop preferred Public
FC-4 Soft Auto 2048 Initiator Loop preferred Public
FC-5 Soft Auto 2048 Initiator Loop preferred Public
FC-6 Soft Auto 2048 Initiator Loop preferred Public