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Hot-swapping refers to the removal and/or addition (swapping) of hardware into a computer system while it is running.

On a normal desktop computer this is a very stupid thing to do and will result in damaged hardware and/or electrocution, but file servers are often designed specifically to allow the replacement of certain components (usually hard drives or power supplies) without powering the machine down. This is done by having redundant hardware that kicks in when needed allowing the device in question to be powered off and removed.

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16y ago

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