Replacing Controller Module Components | Bosch Appliances DVA-16K

RAID Subsystem DVA-16K Installation ManualSubsystem Maintenance en 43

6.2	Replacing Controller Module Components

The controller module in the RAID subsystem consists of the following replaceable compo- nents:

•DDR RAM DIMM module

•Controller module

If any of these components fail, it must be replaced. To replace any of these components, the system power must first be turned off, and the controller module must be removed from the RAID subsystem.

6.2.1

Controller Module Maintenance Overview

•

The controller module contains a DDR RAM DIMM module. When replacing the controller module, the DIMM module must be removed from the old controller module and rein- stalled onto the new controller module.

When replacing the controller module, always remember that the controller board is one of the most sensitive components in the RAID subsystem. All previously stipulated safety precautions (see Section 3.3 Safety Precautions) must be strictly adhered to. Failure to adhere to these precautions can result in permanent damage to the controller board, resulting in lengthy delays for the end user.

Prior to replacing the controller module, it is imperative for your own safety to be sure that no power is being supplied to the system.

6.2.2	Removing the Controller Module
	To remove the controller module:
	1.	Make sure there is no data access to the subsystem to avoid losing any data. Use the soft-
		ware provided on the host computer to stop all I/O accesses to the subsystem.
	2.	Power off the subsystem. Be sure to flush all cache data before powering off the subsys-
		tem. Turn off both power switches on the rear of the subsystem.
	3.	Disconnect all cables from the controller module. These include the SCSI cables connect-
		ing to input/output SCSI connectors, Ethernet cable connected to the LAN port, and any
		cables connected to the COM ports.
	4.	Remove the screws on the levers at the back of the controller module. (See Figure 6.1)

Fig. 6.1 Removing the Controller Module Screws

5.Remove the controller module. Once all the cables have been disconnected, press down the two (2) levers at the back of the controller module. The controller module will auto- matically be eased out of the controller module bay. Gently pull the controller module out of the subsystem. (See Figure 6.2)

Bosch Security System

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