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Servers Simplified

Other Server Features

Just as with Ethernet ports, servers often have redundant power supplies that convert AC current from the wall socket to the appropriate level of DC current. This redundancy allows for fail-over protection and server power supplies are often hot swappable as are the multiple powerful cooling fans common to most servers.

Servers often have LED displays on the front displaying diagnostic information.

For server data backup, the two common alternatives are tape backup units or external hard drives; though most servers have an optical drive, they are not designed for data backup. With either, software can automate the backup procedure including policies about what is saved, how often, and where. This automatic backup capability is a chief advantage of storing critical data on a server rather than on multiple desktop PC hard drives.

An uninterruptible power supply (UPS.) is a common peripheral for servers. Servers plug into the UPS and, in turn, the UPS plugs into the AC wall socket; the UPS powers the server and continuously recharges itself from the wall. In the event of a power failure, a UPS allows the server to continue functioning long enough for an orderly shutdown that won't jeopardize important data.

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