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