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Server+ Certification Training Guide by Server+ Certified Technician Elton Jernigan

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Fault Tolerance

  • 0.15 Identify various methods to provide the network server with fault tolerance. Fault-tolerance methods include:

    • Uninterruptible power supplies (UPSs)

    • Redundant Array of Inexpensive Disks (RAID)

Network servers are often required to operate 24 hours a day, 7 days a week. Failure of a network server can mean a tremendous loss in revenue to the company. The goal is to keep the network server running without interruption. To achieve this goal, some fault tolerance needs to be planned into the network server. The most common fault-tolerance schemes are the use of an uninterruptible power supply (UPS) to allow the network serve to shut down gracefully during a power failure, and the use of a redundant scheme in the disk subsystem ...

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