Chapter 2. DS3000 introduction 15
Draft Document for Review August 30, 2007 12:59 am 7065DS3KIntro.fm
Ethernet management port
Serial management port
As an example, Figure 2-3 shows the DS3200 RAID controller. You can identify all the ports
mentioned above.
Figure 2-3 DS3200 RAID controller
Each power supply unit contains two fans. Power and cooling are both redundant; in case of a
power supply or fan failure, the DS3000 will remain operational and you can replace the failed
component without downtime. However, to ensure sufficient cooling airflow, do not remove the
failed component until you are ready to replace it with a new one. If you operate the DS3000
subsystem with certain components removed, the opening will disturb the airflow and
decrease cooling efficiency.
We describe the specific features of DS3200, DS3300 and DS3400 in the following sections.
2.1.1 IBM System Storage DS3200
IBM System Storage DS3200 supports SAS attachment of host servers.
You can directly attach up to three host servers to a DS3200 RAID controller. However, the
standard version of the DS3200 RAID controller contains only one SAS host port, indicated
by the arrow in Figure 2-4.
Figure 2-4 DS3200 RAID controller with one SAS host port
The optional DS3200 SAS 2-Port Daughter Card provides two additional host ports. The
arrows in Figure 2-5 show all three ports.
Note: The serial management port is not meant for general use - it is reserved for
advanced troubleshooting activities by trained IBM system service representatives.
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