Shutting Down And Powering Off The Server - Cisco UCS C210 Installation And Service Manual

Shutting Down and Powering Off the Server

If you have ordered a server with power supply redundancy (at least two power supplies), you do not
Tip
have to power off the server to replace a power supply because they are redundant and hot-pluggable.
The server hard drives are also hot-pluggable.
The server can run in two power modes:
•
•
You can invoke a graceful shutdown or an emergency shutdown (hard shutdown) by using either of the
following methods:
•
•
Check the color of the Power Status LED (see the
Step 1
•
•
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.
•
•
Disconnect the power cords from the power supplies in your server to completely power off the server.
Step 3
Cisco UCS C210 Server Installation and Service Guide
3-8
Main power mode—Power is supplied to all server components and any operating system on your
hard 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 CIMC management interface. See either the
Configuration Guide or the
Use the Power button on the server front panel. To use the Power button, follow these steps:
Green indicates that the server is in main power mode and must be shut down before it can be safely
powered off. Go to Step 2.
Amber indicates that the server is already in standby mode and can be safely powered off. Go to
Step 3.
Graceful shutdown—Press and release the Power button. The operating system will perform 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.
Cisco UCS C-Series Rack-Mount Server
Cisco UCS C-Series Rack-Mount Server CLI Configuration
"Front Panel LEDs" section on page
Chapter
Guide.
3-2).
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