HP 124708-001 - ProLiant Cluster - 1850 Manuale di prevenzione degli errori - Pagina 10

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Power Supply Considerations

After you determine the appropriate amount of power for the server, install the power

supplies needed for the level of redundancy you require.

If available for the server, power redundancy protects the server from power failures

caused by:

•

Power failure in one of the two AC circuits providing power to the server

•

Accidentally unplugging one of the power cords providing power to the server

•

Failure of one power supply

IMPORTANT: The power redundancy described in this section is not the same as protection

provided by a UPS. In the event of a catastrophic power failure affecting each power cord

providing power to the server, the server loses power and shuts down. To provide complete

power protection, HP recommends installing a suitable UPS.

Refer to the server documentation to determine what power redundancy requirements

are necessary for the server.

Removable drives are fragile components that must be handled with care. To prevent

damage to the computer, damage to a removable drive, or loss of information,

observe these precautions:

•

Before removing a diskette drive, CD-ROM drive, or DVD drive, be sure that a

diskette or disc is not in the drive. Be sure that the CD-ROM or DVD tray is

closed.

•

Before handling a drive, be sure that you are discharged of static electricity.

While handling a drive, avoid touching the connector.

•

Handle drives on a work surface that has at least one inch of shockproof foam.

•

Do not drop drives from any height onto any surface.

Error Prevention Guide