HP 3PAR StoreServ 7450 2-node HP 3PAR StoreServ Storage Concepts Guide (OS 3.1 - Page 64

Drive Cage/Enclosure Models, HP M6710 Drive Enclosure, DC4 Drive Cages and Ports and Cabling

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Drive Cage/Enclosure Models • StoreServ 7000 Storage systems contain either the M6710 (2U24) drive enclosure or the M6720 (4U24) drive enclosure. • T-Class and StoreServ 10000 Storage systems contain DC4 drive cages. The DC4 is a 40 disk, 4 Gbps drive cage. • F-Class systems only contain DC3 drive cages. The DC3 is a 16 disk, 4 Gbps drive cage. HP M6710 Drive Enclosure The HP M6710 Drive Enclosure (2U24) holds up to 24, 2.5 inch small form factor (SFF) SAS disk drives arranged vertically in a single row at the front of the enclosure. The back of the enclosure includes two 580W PCMs and two I/O modules. Figure 15 HP M6710 Drive Enclosure HP M6720 Drive Enclosure The HP M6720 Drive Enclosure (4U24) holds up to 24, 3.5 inch large form factor (LFF) SAS disk drives, arranged horizontally with four columns of six disk drives. The back of the enclosure includes two 580W PCMs and two I/O modules. Figure 16 HP M6720 Drive Enclosure DC4 Drive Cages and Ports and Cabling The DC4 drive cages house ten drive bays numbered 0 through 9. Each drive bay accommodates a single drive magazine that holds four disks. Figure 17 (page 65) shows a DC4 drive cage which contain two Fibre Channel-Arbitrated Loop (FC-AL) modules: • The left side FC-AL has two ports: A0 and B0. • The right side FC-AL has two ports: A1 and B1. 64 HP 3PAR Storage System Hardware

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Drive Cage/Enclosure Models
•
StoreServ 7000 Storage systems contain either the M6710 (2U24) drive enclosure or the
M6720 (4U24) drive enclosure.
•
T-Class and StoreServ 10000 Storage systems contain DC4 drive cages. The DC4 is a 40
disk, 4 Gbps drive cage.
•
F-Class systems only contain DC3 drive cages. The DC3 is a 16 disk, 4 Gbps drive cage.
HP M6710 Drive Enclosure
The HP M6710 Drive Enclosure (2U24) holds up to 24, 2.5 inch small form factor (SFF) SAS disk
drives arranged vertically in a single row at the front of the enclosure. The back of the enclosure
includes two 580W PCMs and two I/O modules.
Figure 15 HP M6710 Drive Enclosure
HP M6720 Drive Enclosure
The HP M6720 Drive Enclosure (4U24) holds up to 24, 3.5 inch large form factor (LFF) SAS disk
drives, arranged horizontally with four columns of six disk drives. The back of the enclosure includes
two 580W PCMs and two I/O modules.
Figure 16 HP M6720 Drive Enclosure
DC4 Drive Cages and Ports and Cabling
The DC4 drive cages house ten drive bays numbered 0 through 9. Each drive bay accommodates
a single drive magazine that holds four disks.
Figure 17 (page 65)
shows a DC4 drive cage which
contain two Fibre Channel-Arbitrated Loop (FC-AL) modules:
•
The left side FC-AL has two ports: A0 and B0.
•
The right side FC-AL has two ports: A1 and B1.
64
HP 3PAR Storage System Hardware