Product manual
Galaxy G3G12 / G3G16 - Installation and Hardware Reference Manual
211 Section 6 Maintenance
6.6 Replacing a RAID Controller
The RAID Controller is field-replaceable. But you can only hot-swap a controller if you have two controllers
installed in your Galaxy3G enclosure.
Important
Do not replace the RAID Controller based on LED colors alone.
Only replace the RAID Controller when directed to do so by
Galaxy Technical Support. See Chapter 7.
Dual Controller Subsystem
Before you install the replacement controller, be sure the replacement controller has:
• The same Firmware version as the original controller
• The same amount of SDRAM as the original controller
To obtain this information, click on the Controller
icon, Information tab, and look for Firmware Version
and Memory Size.
Removing the old controller
To remove a RAID Controller on a dual-controller subsystem:
1. Disconnect the Fibre Channel or SAS cables, management, serial, and power cables.
2. On the controller handle, press the release button and pull the handle downward. See
3. Pull the controller out of the Galaxy3G enclosure.
Installing the new controller
To install the new controller:
1. Carefully slide the controller into the enclosure.
2. Gently press the handle in and upward until it locks. See
3. Connect the Fibre Channel or SAS cables, management, serial, and power cables.
Single Controller Subsystem
Removing the old controller
To remove the RAID Controller on a single-controller subsystem:
1. Shutdown the Galaxy3G. See “Shutting Down the Subsystem” in chapter 3
2. Switch off the power.
3. Disconnect the Fibre Channel or SAS cables, management, serial and power cables.
4. On the controller handle, press the release button and pull the handle downward. See
5. Pull the controller out of the Galaxy3G enclosure.
Installing the new controller
To install the new controller:
1. Carefully slide the controller into the enclosure.
2. Gently press the handle in and upward until it locks. See
3. Connect the Fibre Channel or SAS cables, management, serial and power cables.
4. Switch on the power.
The Galaxy3G will restart. For more information about Galaxy3G’s start-up behavior, see “Connecting
the Power” in chapter 2.