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What is hot-swapping?

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posted May 26, 2016 by anonymous

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A hot swap is the replacement of a hard drive, CD-ROM drive, power supply, or other device with a similar device while the computer system using it remains in operation. The replacement can be because of a device failure or, for storage devices, to substitute other data.
Hot swapping works by providing a rack or enclosure for the device that provides an appearance to the computer's Bus or I/O controller that the device is still there while it's being removed and replaced with another device. A hot swap arrangement is sometimes provided where multiple devices are shared on a local area network. Hot swap arrangements are sold for both SCSI and IDE hard drives. Hot swap versions of a redundant array of independent devices ( RAID ) are also available.

answer May 31, 2016 by Satendra Jain
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