Ensuring the Availability of Applications and Services

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Hardware RAID

The Microsoft Windows 2000 HCL contains many different hardware RAID configurations for clusters. Many hardware RAID solutions provide power-redundancy, bus-redundancy, and cable-redundancy within a single cabinet and can track the state of each component in the hardware RAID firmware. The significance of these capabilities is that they provide data availability with multiple redundancies to protect against multiple points of failure. Hardware RAID solutions can also use an onboard processor and cache.

Windows 2000 Advanced Server can use these disks as standard disk resources.

Though more costly than software RAID (included as a feature with Windows 2000 Advanced Server), hardware RAID is generally considered the superior solution.

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