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• In a subsystem with two controllers in transparent failover mode, the
controller port IDs increment as follows:
– Controller A and controller B, port 1 — worldwide name + 1
– Controller A and controller B, port 2 — worldwide name + 2
For example, using the worldwide name of 5000-1FE1-0000-0D60, the
following port IDs are automatically assigned and shared between the
ports as a
REPORTED PORT_ID on each port:
– Controller A and controller B, port 1 — 5000-1FE1-0000-0D61
– Controller A and controller B, port 2 — 5000-1FE1-0000-0D62
• In a configuration with dual-redundant controllers in multiple-bus
failover mode, the controller port IDs increment as follows:
– Controller A port 1 — worldwide name + 1
– Controller A port 2 — worldwide name + 2
– Controller B port 1 — worldwide name + 3
– Controller B port 2 — worldwide name + 4
For example, using the worldwide name of 5000-1FE1-0000-0D60, the
following port IDs are automatically assigned and shared between the
ports as a REPORTED PORT_ID on each port:
– Controller A port 1 — 5000-1FE1-0000-0D61
– Controller A port 2 — 5000-1FE1-0000-0D62
– Controller B port 1 — 5000-1FE1-0000-0D63
– Controller B port 2 — 5000-1FE1-0000-0D64
Because the HSG80 controller’s configuration information and worldwide
name is stored in nonvolatile random-access memory (NVRAM) on the
controller, there are different procedures for replacing HSG80 controllers
in an RA8000 or ESA12000:
• If you replace one controller of a dual-redundant pair, the NVRAM
from the remaining controller retains the configuration information
(including worldwide name). When you install the replacement
controller, the existing controller transfers configuration information to
the replacement controller.
• If you have to replace the HSG80 controller in a single controller
configuration, or if you must replace both HSG80 controllers in a
dual-redundant configuration simultaneously, you have two options:
6–32 Using Fibre Channel Storage