Hitachi Universal Storage Platform VM - Manual (Page 28)

2-2 Architecture and Components
Hitachi Universal Storage Platform V/VM User and Reference Guide
Hardware Architecture
Figure 2-1 illustrates the hardware architecture of the Universal Storage
Platform V storage system. Figure 2-2 illustrates the hardware architecture of
the Universal Storage Platform VM storage system. As shown, the USP V and
USP VM share the same hardware architecture, differing only in number of
features (FEDs, BEDs, etc.), number of data drives, and power supply.
DKA DKA
DKA FED
DKA DKA
DKA BED
DKA DKA
DKA FED
DKA DKA
DKA BED
CSW
CSW
CSW
CSW
CACHE
CMA
CACHE
CMA
SMA SMA
Channel Interface
FC-AL (4 Gbps/port)
Cache Path
SM Path
Max. 48
data drives
Disk Unit
Battery
Box
Battery
Box
Controller
Power Supply
Max. 1,152 data drives per storage system
Drive Path (max. 64 paths)
Input
Power
AC-Box
AC-Box
AC-DC
Power
Supply
Input
Power
AC-Box
AC-Box
AC-DC
Power
Supply
AC-DC
Power
Supply
Power Supply
AC-DC
Power
Supply
Battery
Box
Battery
Box
Figure 2-1 Universal Storage Platform V Hardware Architecture