HP 3PAR StoreServ 7200 2-node HP 3PAR StoreServ 7000 Storage Site Planning Man - Page 28

Internal Cable Connections, Cable Routing Options, Network Access, Supported Network Topologies

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Internal Cable Connections NOTE: For important exceptions to the cabling rules and guidelines described in this section, see the HP 3PAR OS Administrator's Guide. The following table lists the typical SAS cable lengths required for a given type of connection. Table 15 SAS and Link Cable Usage Guidelines Cable Length 1m 2m 6m 7400, 4-Node, Interconnect Cable: 520 mm Used For: Drive enclosure to drive enclosure and drive enclosure to node Drive enclosure to drive enclosure and drive enclosure to node Cabling between racks 7400 4-way node interconnect Cable Routing Options For 10 Gigabit Ethernet (10GbE), iSCSI, and Fibre Channel cables that connect the storage system to the customer network or hosts, approximately 7 feet (2 meters) of each cable must be reserved for internal routing within the storage system rack. Network Access External Ethernet, iSCSI, FCoE, or Fibre Channel cable connections are completed at the time of installation. These external connections are necessary to do the following: • Establish connections from the controller nodes to the host computer or computers • Connect the storage system to the network, enabling storage system management through the HP 3PAR Management Console and HP 3PAR Command Line Interface (CLI) • Allow communication to the storage system from the SP Supported Network Topologies Several different network topologies can connect the storage system to the local area network, depending on operating site policies and requirements. Currently, the two supported topologies are shared and private. Shared With a shared network topology, the storage system and SP share the internal customer network. A shared topology requires all of the following: • A static IP address and system name for the storage system • A minimum two Ethernet connections from a switch or hub to the storage system controller nodes, if there are more than two nodes • A static IP address for the SP • One Ethernet connection from a switch or hub to the SP Private With a private network topology, both the storage system and SP reside on the same private network segment of the customer local area network. All management workstations used to 28 Network, Cabling, and Connectivity

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Internal Cable Connections
NOTE:
For important exceptions to the cabling rules and guidelines described in this section,
see the
HP 3PAR OS Administrator’s Guide
.
The following table lists the typical SAS cable lengths required for a given type of connection.
Table 15 SAS and Link Cable Usage Guidelines
Used For:
Cable Length
Drive enclosure to drive enclosure and drive enclosure to
node
1m
Drive enclosure to drive enclosure and drive enclosure to
node
2m
Cabling between racks
6m
7400 4–way node interconnect
7400, 4–Node, Interconnect Cable:
520 mm
Cable Routing Options
For 10 Gigabit Ethernet (10GbE), iSCSI, and Fibre Channel cables that connect the storage system
to the customer network or hosts, approximately 7 feet (2 meters) of each cable must be reserved
for internal routing within the storage system rack.
Network Access
External Ethernet, iSCSI, FCoE, or Fibre Channel cable connections are completed at the time of
installation. These external connections are necessary to do the following:
•
Establish connections from the controller nodes to the host computer or computers
•
Connect the storage system to the network, enabling storage system management through the
HP 3PAR Management Console and HP 3PAR Command Line Interface (CLI)
•
Allow communication to the storage system from the SP
Supported Network Topologies
Several different network topologies can connect the storage system to the local area network,
depending on operating site policies and requirements. Currently, the two supported topologies
are
shared
and
private
.
Shared
With a shared network topology, the storage system and SP share the internal customer network.
A shared topology requires all of the following:
•
A static IP address and system name for the storage system
•
A minimum two Ethernet connections from a switch or hub to the storage system controller
nodes, if there are more than two nodes
•
A static IP address for the SP
•
One Ethernet connection from a switch or hub to the SP
Private
With a private network topology, both the storage system and SP reside on the same private
network segment of the customer local area network. All management workstations used to
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Network, Cabling, and Connectivity