Hitachi 3080 G2 Hardware Reference Manual page 98

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Use fc-link-speed to verify and, if necessary, configure the FC port
speed as required.; for example:
a. Enter fc-link-speed to display the current settings.
host:$ fc-link-speed
FC 1: 4 Gbps
FC 2: 4 Gbps
FC 3: 4 Gbps
FC 4: 4 Gbps
b. Enter fc-link-speed -i port_number -s speed for each port.
host:$ fc-link-speed -i 1 -s 4
Set interface 1 link speed OK
FC 1: 4 Gbps
host:$ fc-link-speed -i 2 -s 4
Set interface 2 link speed OK
FC 2: 4 Gbps
host:$ fc-link-speed -i 3 -s 4
Set interface 3 link speed OK
FC 3: 4 Gbps
host:$ fc-link-speed -i 4 -s 4
Set interface 4 link speed OK
FC 4: 4 Gbps
c. Enter fc-link-speed to verify the settings.
host:$ fc-link-speed
FC 1: 4 Gbps
FC 2: 4 Gbps
FC 3: 4 Gbps
FC 4: 4 Gbps
Use the fc-link-type command to configure the server in fabric (N) or
loop (NL) mode.
Modify zoning and switches with the new WWPN, if you are using WWN-
based zoning.
If you are using port-based zoning, the no modifications are necessary
for the switches configurations.
Open Storage Navigator and reconfigure LUN mapping and host group on
the storage system that is dedicated to the server with the new WWPNs.
Perform this step for every affected server port.
If the server does not recognize the system drives, enter fc-link-reset
to reset the fiber paths.
Enter sdpath to display the path to the devices (system drives) and
which hport and storage port are used.
Enter sd-list to verify the system drives statuses as OK and access is
allowed.
Enter span-list to verify the storage pools (spans) are accessible.
Note: In this instance, cluster is synonymous with the standalone server.
Enter span-list-cluster-uuids span_label to display the cluster
serial number (UUID) to which the storage pool belongs.
Server replacement procedures
Hitachi NAS Platform 3080/3090 G2 Hardware Reference Guide