Fujitsu primequest 2400E2 Design Manual page 100

3.3.5 Network Configuration (3/5)
Configuration That Focuses on Redundancy

Multiple channel ports on a PCI Express card are used effectively.
- FC card (Single)
=> FC card (multiple channels)
- Unused 1000Base-T ports are used.
IOU
PCI Express card
1000Base-T (Dual)
FC card (Dual)
1000Base-T (Dual)
FC card (Dual)
Configuration That Focuses on Hot Swap

Considering the range of impact during a PCI Express card failure, for connections with a PCI
Express card (single card), only one port is used when using a multi-port card.
IOU
PCI Express card
PCI Box connection card
PCI Box connection card
PRIMEQUEST 2000 Series Design Guide
Advantage: The numbers of extended I/O cabinets and PCI Boxes can
Disadvantage: If the PCI Express card fails, multiple ports cannot be
* Because the card is duplicated, the system can continue to operate safely.
Duplicated
Duplicated
Duplicated
Duplicated
99
be reduced.
used.
Incorrect Example
1000Base-T (Dual)
This configuration is not correct because the duplication does
not make sense if the PCI Express card fails.
PCI Box
1000Base-T (Dual)
PCI Box LH
FC card (Single)
#0
Empty
1000Base-T (Dual)
PCI Box LH
FC card (Single)
#1
Empty
Duplicated
Not used
Duplicated
Duplicated
Not used
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