Breaker Configurations - Hitachi Universal Storage Platform VM Installation Planning Manual

Breaker Configurations

For both racks, AC power is supplied to each power distribution unit (PDU)
from the breaker.
breaker configurations for the primary and secondary racks and diskless
system, respectively.
•
Primary Rack Configurations – Control Frame, Additional SVP/Battery Backup Chassis and up to two Disk Chassis
CB
CB
PDU
PDU
CB
CB
30A 3 0A
Breaker Bre aker
DKC = Control Frame
CB = Circuit Breaker
2–18
Hitachi Universal Storage Platform VM Installation Planning Guide
Figure 2-9,
Primary Rack with one Disk Chassis
installed
Primary Rack
DKU-R0
Disk Chass is
x 15
PS30 PS31
x 15
PS20 PS21
x 15
PS10 PS11
x 15
PS00 PS01
SBX-Chassis
DKC
Contro l F ram e
CL1 CL2
PS11 PS12 PS21 PS22
Power Cables
Power Cables
Regardless of the number of Disk Chassis installed, the number of 30A
breakers required for the Primary Cabinet remains the same
SBX-Chassis = Additional SVP/Battery Backup Chassis
(Power obtained from DKC Control Frame)
Figure 2-9: Breaker Configurations for the Primary Rack
Installation Requirements
Figure 2-10, and Figure 2-11
Primary Rack with two Disk Chassis
PS30
PS20
PS10
CB
CB
PS00
PS30
CB
CB
PS20
PS10
PDU PDU
PS00
PDU PDU
CB CB
PS11
CB CB
Power Cables
30 A 30A 30A 30A
Br eake r Breaker Br eaker Breaker
CL1 = Cluster 1, CL2 = Cluster 2
show the
installed
Primary Rack
DKU-R1
Disk Chassi s
x 15
PS31
x 15
PS21
x 15
PS11
CB
x 15
PS01
DKU-R0
Disk Chassi s
x 15
PS31
CB
x 15
PS21
x 15
PS11
PDU
x 15
PS01
PDU
SBX-Chassis
DKC
Contro l Fram e
CB
CL1 CL2
PS12 PS21 PS22
CB
Power Cables
30A 30A
Brea ker Breaker
DKU = Disk Chassis
PS = Power Supply