HP 3PAR Guia do Utilizador descarregar pdf (Página 43)

Fibre Channel adapters can have either two ports (dual-port adapters ) or four ports (quad-port

adapters).

Required Cables

The quantities and lengths of the cables required for storage system installation vary according to

the specific storage system and network configuration. Fibre Channel cables are used externally

to connect the controller node to the customer switch or host (in the case of a directly connected

host). Fibre Channel cables are used internally to connect the controller node to the drive chassis

(inter-cabinet or cabinet to cabinet).

The Fibre Channel cables provided by HP have a custom strain relief feature to help maintain the

proper bend radius of the cables. For this reason, 3PAR requires that you use only Fibre Channel

cables provided by HP. However, HP does not provide any networking cables or equipment such

as Ethernet and modem cables. Table 7 (page 12) identifies the types of cables commonly required

for storage system installation.

Table 17 Required Cables

Connector TypeOutside DiameterCable Type

RJ-45StandardEthernet (Category 5) 3 cables

minimum with 2 static IPs

LC-LC or LC-SC1.6 mmMulti-mode Fibre Channel

Cat-5, Cat-5e, Cat-6 copper

(1–Gb/sec)

StandardiSCSI

NOTE: For Ethernet and Fibre Channel cables that connect the storage system to the network

and hosts, reserve approximately 7 feet (2 meters) of each cable for internal routing within the

storage system cabinet. Measure the distance between the two cabinets and add 14 feet (4 meters)

to determine the total length of cable required.

External Cable Connections

Table 18 (page 43) includes specific guidelines for connecting the controller nodes to the network

and to host computers. Refer to “Supported Network Topologies” (page 37) for descriptions of the

supported network topologies.

Table 18 External Controller Node Connections

Recommended ConfigurationMinimum ConfigurationConnection Type

See “Supported Network Topologies” (page 37)Connection from the

Ethernet switch or hub to

two controller nodes

Ethernet

Separate connections from host computers to each node, via a switch,

with connections distributed evenly across all nodes

Connection from a host

computer to one controller

node

Fibre Channel

Separate connections from host computers to each node, via a switch,

with connections distributed evenly across all nodes

Connection from a host

computer to one controller

node

iSCSI

Varies according to system and network configurationNoneMaintenance

Required Cables 43

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