Hardware Architecture - Hitachi Universal Storage Platform V Reference Manual

Hardware Architecture

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