IBM Midrange System DS4000 Series User Manual

32 IBM Midrange System Storage Hardware Guide
Figure 3-6 shows the main components of the DS5000 controller.
Figure 3-6 DS5300 controller’s main components
4 Gb/s SFP
Drive Interfaces
4 Gb/s SFP
Drive Interfaces
4 Gb/s SFP
Host Interfaces
4 Gb/s SFP
Host Interfaces
Loop
Switch
Loop
Switch
Loop
Switch
Loop
Switch
4 Gb/s
FC Chip
4 Gb/s
FC Chip
Host Interface Card
Host Interface Card
RJ45
RJ45
DB-9
Ethernet
Ethernet
Serial
Host
Card
I/F
Host
Card
I/F
Processor
Memory
Battery
Backup
DDR SDRAM
Data Cache
XOR
ASIC
Internal
Control
Bat., flash
and serial
control
USB
Flash
Control
Processor
4 Gb/s
FC Chip
4 Gb/s
FC Chip
Interconnect Board
Alternate controller
drive loops
Cache mirroring
Intel Xeon
control processor
ZIP ASIC
(XOR engine)
PCI-e 8x buses
USB flash
backup memory
Control processor
memory
Disk channel chips
Data cache
bus 17Gbps Host channel chips

IBM Midrange System DS4000 Series Specifications

General

Brand	IBM
Model	Midrange System DS4000 Series
Category	Storage
Language	English