Apple Xserve (Cluster Node) User Manual download pdf (Page 19)

Using Front Panel Mode on an Xserve System

Xserve systems with a slot-loading optical drive have a method of entering limited commands

using the system identiﬁer button on the front panel.

To use any of the available boot commands (listed after step 3):

1 With the power off, hold in the system identiﬁer button while you press the power button.

2 Continue holding in the system identiﬁer button until the top row of blue lights blinks

sequentially and the rightmost light in the bottom row turns on.

3 Release the system identiﬁer button, then press it again to light the next button in the

bottom row, moving from right to left. Press the button again to change lights.

The lights in the bottom row indicate (from right to left):

m Light 1 (far right): Start up from the system disc (on models with an optical drive)

m Light 2: Start up from a network server (NetBoot)

m Light 3: Start up from the internal drive

m Light 4: Bypass the current startup disk and start up from any other available startup disk

m Light 5: Begin target disk mode (all volumes will show up)

m Light 6: Restore the system’s default settings (reset NVRAM)

m Light 7: Enter Open Firmware (via the serial port if no monitor and keyboard are

connected)

4 When the light for the action you want is on, hold in the system identiﬁer button for at least

2 seconds, until all lights in the top row are on.

5 Release the button.

Installing and Restoring from a Network Server

You can use a remote computer to install server software on one system or on many systems.

Two methods that are especially useful for installations on multiple Xserve systems are

Network Install and the Apple Software Restore (asr) command.

For more information about using command-line tools, see Chapter 17, “Tools for Advanced

Administrators,” in the Mac OS X Server Administrator’s Guide. For details on starting up or

installing over the network, see Chapter 12, “NetBoot,” and Chapter 13, “Network Install,” in

the Mac OS X Server Administrator’s Guide.

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Apple Xserve (Cluster Node) User Manual Page 19