IBM Partner Pavilion DS4100 manual Installing the DS4000 Storage Manager client

one-half of the current load. If there is only one power supply unit, it will handle all of the current load. To ensure maximum protection against power loss due to power supply unit failure or a power circuit tripping, both power supply units must be connected and powered on. See Table 10 on page 15 for the DS4100 AC power requirements.

See Figure 56 for an example of redundant power cabling.

Exception: The DS4100 single-controller storage server has only one power supply, so it does not support power redundancy.

Rack power cable connector

	Drive expansion unit
Rack power cable	power supplies
	Controller power supplies

AC distribution units

AC distribution unit

power cord

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Figure 56. Redundant AC power connections to controllers and drive expansion units

For details about power requirements, see “DS4100 specifications” on page 14.

6.Go to “Turning the storage server on and off” on page 65 for the initial startup of the storage server.

Attention: Before you power on the storage server, any storage expansion units should be completely connected to the storage server.

Installing the DS4000 Storage Manager client

Refer to the IBM TotalStorage DS4000 Storage Manager 9.10 Installation and Support Guide for the appropriate operating system for instructions on how to install the Storage Manager software. Use that document and the online help to configure the logical drives, partitions, and so on for the RAID controllers. Use your operating

62IBM TotalStorage DS4100 Storage Server: Installation, User’s, and Maintenance Guide