Go to the Personalized Support section of the web page and click My Support.
On the next page, go to the We use IBM Registration section. To register to use
this site, click Register.
Perform the following steps to receive product updates:
1. Once you have registered, type your user ID and password to log into the site.
The Welcome page opens.
2. In the Select a Product Family pull-down menu, scroll down to the listing of
hardware topics and select Computer Storage. Click Go. The Computer
Storage page opens.
3. Scroll down to the Disk Storage Systems category and check the box for 1724
(and 1710 if you are connecting DS4000 EXP100 expansion units to the
DS4100). Check the boxes for any other DS4000 products for which you would
like to receive information. Scroll to the bottom of the page and select Save and

Return. The main page opens.

4. Select your mail preferences. Select Flashes and Downloadable files to
receive important information about product updates. Click Submit. You should
see a confirmation at the bottom of the page that indicates that your profile was

successfully updated.

Features at a glance
Table 8 summarizes the features of the storage server. For a list of the operating
specifications, such as weight, height, and heat output, see Table 9 on page 14.
Table 8. Features at a glance
General
v Modular components:
– High-capacity SATA disk drives
– RAID controllers
– Power supplies
– Cooling fans
v Technology:
– Support for disk arrays
– Support for clustering
– Fibre channel host interface
– Redundant data storage, RAID
controllers, and power system (base
storage server only)
– Hot-swap technology for drives and
fans
– Hot-swap technology for RAID
controllers and power supplies (base
storage server only)
– DS4100 single-controller has a
non-redundant hard disk drive
interface, power supply, and RAID
controller. However, it does offer a
redundant cooling system.
Attention: You will lose access to data if
you attempt to hot-swap the controller or
power-supply components in a DS4100
single-controller storage server.
v User interface:
– Built-in power, activity, and fault light
emitting diodes (LEDs)
– Identification labeling on customer
replaceable units (CRUs), rear LEDs,
switches, and connectors
– Easy-to-replace drives, power
supplies, RAID controllers, and fans
Disk drive storage
1.5 Gbps SATA hard disk drives
Maximum drives per storage server: 14
Attached Expansion Units (base
storage server only)
2 Gbps connections only
RAID controllers
v Technology and interfaces:
– Fibre channel: 40-pin fibre channel
disk drives
– Fibre channel interface:
- For base storage server: six
small form-factor pluggable (SFP)
ports for incoming and outgoing
fibre-channel cables (three SFP
ports on each RAID controller)
- For single-controller storage
server: three SFP ports for
incoming and outgoing
fibre-channel cables
Note: The SFP port labelled
Expansion is not active).
– Two 1 Gbps/2 Gbps
(auto-negotiated) fibre channel host
side connections per controller
4 IBM TotalStorage DS4100 Storage Server: Installation, User’s, and Maintenance Guide