Wwn And Mac Addresses; Various Wwn And Mac Addresses - Hitachi COMPUTE BLADE 500 SERIES Management Module Setup Manual

Note: After changing the setting, when the N+M cold standby is switched
before turning on the server blade, the changed setting value is broken.
Therefore, the changed setting value is not reflected the server blade.

WWN and MAC addresses

This section describes WWNs and MAC addresses for the system unit.

Various WWN and MAC addresses

The usable WWN and MAC addresses are the following three types in the
system unit.
• Default Physical WWN and MAC address:
The Default Physical WWN and MAC address is specific addresses for the
Fibre Channel mezzanine card and LAN expansion card, and these
addresses cannot be changed.
• Optional Physical WWN and MAC address:
The Optional Physical WWN and MAC address are additionally assigned
the Fibre Channel mezzanine card and LAN expansion card. The Optional
Physical WWN and MAC address is only used by the Compute Blade.
When changing the Fibre Channel mezzanine card and LAN expansion
card, the WWN and MAC address is not changed while installing the same
slot. Therefore, you do not need change the setting of Fibre Channel
mezzanine card, LAN expansion card, and other devices when changing
the mezzanine card. The Optional Physical WWN address is used in the N
+M cold standby. See
MAC address on page
• LPAR manager managed WWN and MAC address:
LPAR manager manage the LPAR manager managed WWN and MAC
address. For WWN, LPAR manager creates the unique address of each
LPAR manager system depend on the virtual FC WWN information. For
MAC address, LPAR manager creates the unique address of each LPAR
manager system depend on the VNIC System No. When using the Fibre
Channel mezzanine card and the LAN expansion card in LP mode, WWN
and MAC address is used although PCI device dedication/common is
specified. When changing the Fibre Channel mezzanine card and LAN
expansion card, the WWN and MAC address is not changed while
installing the same slot. For details, see the Hitachi Compute Blade 500
Series Logical partitioning manager user's guide.
Note:
• Optional Physical MAC address for Broadcom 1 Gb LAN mezzanine card
- CB 520H A1/B1, CB 520A A1, CB 540A A1/B1 server blades do not
support it. Make sure to select Default Physical MAC address for
operation.
2-54
Hitachi Compute Blade 500 Series Management Module Setup Guide
Relation between N+M cold standby and WWN and
2-58.
Functional detail