IBM DS8000 User Manual

Model comparison
DS8000 models vary on the processor types that they use, their disk capacity, and
other supported features.
Table 1 compares the various supported features that are available on different
DS8000 model configurations.
Table 1. DS8000 model comparison chart
Base model Images
(logical
partitions)
Expansion
models
Processor
type
Disk
drives
Processor
memory
Host
adapters
Model
921/931
1 image
None 2-way
Up to 128
disks
(maximum
capacity of
64 TB)
Up to 128
GB
Up to 16
host
adapters
With 1
expansion
model
(92E)
2-way
Up to 384
disks
(maximum
capacity of
192 TB)
Up to 128
GB
Up to 16
host
adapters
Fans/Plenum
Fan
Sense
RPC
Fan
Sense
Fan
Sense
PPS
PPS
Battery
Disk Drive
Set
Disk Drive
Set
Disk Drive
Set
Disk Drive
Set
Processor
4-way
Processor
4-way
I/O
Enclosures
Adapters
I/O
Enclosures
Adapters
I/O
Enclosures
Adapters
I/O
Enclosures
Adapters
Battery
Battery
Fans/Plenum
PPS
PPS
Battery
Disk Drive
Set
Disk Drive
Set
Disk Drive
Set
Disk Drive
Set
Disk Drive
Set
Disk Drive
Set
Disk Drive
Set
Disk Drive
Set
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
1w2rxh
Base Model
128 Drives
Expansion Model
256 Drives
Expansion Model
256 Drives
Management
Console
Keyboard
Display
Ethernet
Switches
Figure 4. Configuration for Model 922, 932, 9A2, or 9B2 with two expansion models
6 DS8000 User’s Guide

IBM DS8000 Specifications

General

Data Encryption	Yes
High Availability	Yes
Drive Types	SSD, HDD
RAID Support	RAID 5, RAID 6, RAID 10
Interface	FICON, Fibre Channel, iSCSI
Form Factor	Rack-mountable
Operating Systems Supported	IBM z/OS, IBM i, AIX, Linux, Windows
Model	DS8000 series
Scalability	Highly scalable