HP 3PAR StoreServ 7450 4-node HP 3PAR StoreServ 7450 Storage Troubleshooting G - Page 9

I/O Modules, Power Cooling Modules, Table 2 Controller Node Ports, I/O Modules Numbering

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Table 2 Controller Node Ports (continued) Item Port 3 SAS (DP-2 and DP-1)--used with SAS cables to connect to the drive enclosures and I/O modules 4 Node Interconnect--Used with 4 directional interconnect cables that connect the controller nodes (4-node 7400 only) 5 PCI-e slot for optional 4-port 8 Gb/s FC HBA or 2-port 10 Gb/s CNA NOTE: The MFG port is not used. I/O Modules The I/O modules connect the controller nodes to the hard drives using a SAS cable, enabling the transfer of data between the nodes, hard drives, PCMs, and enclosures. The I/O modules are located at the rear of the drive enclosure. There are two I/O modules per enclosure, numbered 0 and 1 from bottom to top. See Figure 6 (page 9). Figure 6 I/O Modules Numbering NOTE: The I/O modules are located in slots 0 and 1 in the M6710 Drive Enclosure. Power Cooling Modules The Power Cooling Module (PCM) is an integrated power supply, battery, and cooling fan. There are two types of PCMs: • The 580 W is used in the drive enclosures and does not include a battery. • The 764 W is used in the node enclosures and includes a replaceable battery. The PCMs are located at the rear of the storage system, and on the sides of the enclosure. There are two PCMs per enclosure, numbered 0 and 1 from left to right. Understanding Component Numbering 9

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Table 2 Controller Node Ports
(continued)
Port
Item
SAS (DP-2 and DP-1)--used with SAS cables to connect to the drive enclosures
and I/O modules
3
Node Interconnect--Used with 4 directional interconnect cables that connect
the controller nodes (4-node 7400 only)
4
PCI-e slot for optional 4-port 8 Gb/s FC HBA or 2-port 10 Gb/s CNA
5
NOTE:
The MFG port is not used.
I/O Modules
The I/O modules connect the controller nodes to the hard drives using a SAS cable, enabling the
transfer of data between the nodes, hard drives, PCMs, and enclosures. The I/O modules are
located at the rear of the drive enclosure. There are two I/O modules per enclosure, numbered 0
and 1 from bottom to top. See
Figure 6 (page 9)
.
Figure 6 I/O Modules Numbering
NOTE:
The I/O modules are located in slots 0 and 1 in the M6710 Drive Enclosure.
Power Cooling Modules
The Power Cooling Module (PCM) is an integrated power supply, battery, and cooling fan. There
are two types of PCMs:
•
The 580 W is used in the drive enclosures and does not include a battery.
•
The 764 W is used in the node enclosures and includes a replaceable battery.
The PCMs are located at the rear of the storage system, and on the sides of the enclosure. There
are two PCMs per enclosure, numbered 0 and 1 from left to right.
Understanding Component Numbering
9