IBM TotalStorage DS8000, User Manual

Page: 30 / 228

DS8100 (Model 921)
The IBM TotalStorage DS8100, which is Model 921, offers many features.
These features include:
v Dual two-way processor complex
v Up to 128 disk drives, for a maximum capacity of 38.4 TB
v
Up to 128 GB of processor memory (cache)
v Up to 16 fibre-channel/FICON or ESCON
®
host adapters
The DS8100 model can support one expansion frame. With one expansion frame,
you can expand the capacity of the Model 921 as follows:
v Up to 384 disk drives, for a maximum capacity of 115.2 TB
Note: IBM service representatives can upgrade a Model 921 in the field when you
order a model conversion to a Model 922 or Model 9A2.
Figure 3 shows the maximum configuration of a Model 921, which is the 921 base
model plus one 92E expansion model.
Fans/Plenum
Fan
Sense
RPC
Fan
Sense
PPS
PPS
Disk Drive
Set
Disk Drive
Set
Disk Drive
Set
Disk Drive
Set
Processor
2-way
Processor
2-way
I/O
Enclosures
Adapters
I/O
Enclosures
Adapters
I/O
Enclosures
Adapters
I/O
Enclosures
Adapters
Battery
Battery
Fans/Plenum
PPS
PPS
Disk Drive
Set
Disk Drive
Set
Disk Drive
Set
Disk Drive
Set
Disk Drive
Set
Disk Drive
Set
Disk Drive
Set
Disk Drive
Set
1w2rzq
Base Model 921
128 Drives
Expansion Model 92E
256 Drives
Management Console
Keyboard Display
Ethernet Switches
Figure 3. Maximum configuration for Model 921
4
DS8000 User’s Guide