Preparing For Server Component Installation; Required Equipment; Shutting Down And Powering Off The Server - Cisco UCS C240 M4 Installation And Service Manual

Chapter 3 Maintaining the Server

Preparing for Server Component Installation

This section describes how to prepare for component installation, and it includes the following topics:
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Required Equipment

The following equipment is used to perform the procedures in this chapter:
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Shutting Down and Powering Off the Server

The server can run in two power modes:
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You can invoke a graceful shutdown or a hard shutdown by using either of the following methods:
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Check the color of the Power Status LED (see the
Step 1
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Invoke either a graceful shutdown or a hard shutdown:
Step 2
To avoid data loss or damage to your operating system, you should always invoke a graceful shutdown
Caution
of the operating system.
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Step 3 Disconnect the power cords from the power supplies in your server to completely power off the server.
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Required Equipment, page 3-9
Shutting Down and Powering Off the Server, page 3-9
Removing and Replacing the Server Top Cover, page 3-10
Serial Number Location, page 3-12
Hot-Swap or Hot-Plug Replacement, page 3-12
Number 2 Phillips-head screwdriver
Electrostatic discharge (ESD) strap or other grounding equipment such as a grounded mat
Main power mode—Power is supplied to all server components and any operating system on your
drives can run.
Standby power mode—Power is supplied only to the service processor and the cooling fans and it
is safe to power off the server from this mode.
Use the Cisco IMC management interface.
Use the Power button on the server front panel. To use the Power button, follow these steps:
Green—The server is in main power mode and must be shut down before it can be safely powered
off. Go to Step 2.
Amber—The server is already in standby mode and can be safely powered off. Go to
Graceful shutdown—Press and release the Power button. The operating system performs a graceful
shutdown and the server goes to standby mode, which is indicated by an amber Power Status LED.
Emergency shutdown—Press and hold the Power button for 4 seconds to force the main power off
and immediately enter standby mode.
Preparing for Server Component Installation
"Front Panel LEDs" section on page
Cisco UCS C240 M4 Server Installation and Service Guide
3-2).
Step 3.
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