IBM Flex System V7000 Expansion Enclosure 4939H29 Benutzerhandbuch

Draft Document for Review January 29, 2013 12:52 pm

IBM Flex System V7000 Storage Node Introduction and Implementation Guide

The Omni ports are all by default in Ethernet mode and can carry Ethernet traffic as well as 
FCoE. These ports can be configured as FC ports and attach to external storage controllers 
or servers. They must be configured in pairs for either Ethernet or FC mode, for example, port 
EXT11 and EXT12 must both be configured to be in the same mode and so are called paired 
ports. 

The ports that will be used to connect using FCoE must be isolated into a separate VLAN on 
the IBM Flex System Fabric CN4093 10Gb Converged Scalable Switch, the VLAN when 
defined must have a VLAN number and the following components:

– Port Membership - named ports, as detailed in Table 11-2 the VLAN must include at 

least one FC defined ports (paired FC Omni ports can reside in a separate FC VLAN)

– Switch Role - this is either full switch fabric or NPV mode

The switch role mode for that VLAN will determine whether it has the switching element thus 
FCF capability, or has to pass all data to an external SAN switch for redirection thus NPV 
capability. For a compute node to connect to IBM Flex System V7000 Storage Node and 
access storage the VLAN must have FCF enabled. With this, all storage data will remain 
within the IBM Flex System Enterprise Chassis and not have to rely on an external SAN 
switch for its switching or redirection. 

Figure 11-12 on page 449 shows VLAN 1002 which has been created and includes external 
ports EXT11 and EXT12 along with internal ports from the IBM Flex System V7000 Storage 
Node canisters. The storage node occupies node ports 1-4 in the IBM Flex System Enterprise 
Chassis so ports INTA1-4 are available for this VLAN, of which INTA3+4 have been selected. 
The port from Compute Node 11 (INTA11) has also been included in the Fibre Channel 
VLAN.

Ethernet Ports 
(Internal)

INTA1-INTA14 (ports 1-14), 
INTB1-INTB14 (15-28), 
INTC1-INTC14 (29-42)

These standard 10Gb SFP+ Ethernet ports 
connect internally to compute nodes and 
storage in the system chassis.

Ethernet Ports 
(External)

EXT1-EXT2 (ports 43-44)

These standard 10Gb SFP+ Ethernet ports 
provide external connectors.

High-Capacity 
Ethernet Ports 
(External)

EXT3-EXT10 (ports 45-52)

These 40Gb QSFP+ Ethernet ports can be 
configured as either two 40Gb Ethernet ports 
(EXT15 and EXT19), or as four 10Gb Ethernet 
ports (EXT15-EXT18, EXT19-EXT22)

IBM Omni 
Ports 
(External)

EXT11-EXT22 (ports 53-64)

These 10Gb SFP+ hybrid ports can be 
configured to operate either in Ethernet mode 
(the default) or in Fibre Channel mode for direct 
connection to Fibre Channel devices.