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How does a UPS fit into a SAN/NAS setup?

Certainly with all the attention given to backup and recovery, a data disaster preventative peripheral like an uninterruptible power supply would fit in the setup of a SAN or NAS. My question is how does a UPS fit in the design of an NAS? Is it usually included in the NAS cabinet attached eternally to the NAS cabinet or is backup power assumed to be available via a remote generator/building UPS?

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That depends on which NAS vendor you buy. Certainly some of the higher-end NAS devices have their own built-in UPS. Others assume that you are plugging it into your own UPS -- either a smaller one just for this NAS filer, or a data-center wide UPS. Which one you use depends on your environment.

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This was first published in May 2002

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