hot spare Last modified: Wednesday, August 08, 2007
A backup device such as a hard disk or controller that is in a standby mode, meaning it is online and available should the primary device go offline or fail. The system would detect the failure and automatically switch to the hot spare to use as a replacement. Hot spare is commonly used in RAID arrays where additional drives are attached to the controller and left in standby mode until a failure occurs. Compare with hot standby. See hot swapping, also called hot plugging.
•E-mail this definition to a colleague• For internet.com pages about hot spare . Also check out the following links! ServerWatch - Guide to Internet Servers and Platforms  Includes ratings, industry news, extensive reviews, and downloadable server software. Sharky Extreme  Reporting on the latest hardware and software technology for the PC enthusiast. SysOpt  A system optimization community. News and forums for technology professionals who are obsessed with achieving maximum performance. Webopedia's "Did You Know...?" Section  Use this Webopedia knowledge section for an in-depth overview of specific technologies and occurrences in the areas of Computer Science, The Internet, and Computer Hardware and Software. Webopedia's Quick Reference Section  Use this Webopedia reference section for information on common Internet and computer facts and occurrences.	Configuring Adapters Ports and Interfaces external bus failover hot plugging hot potato routing hot standby hot swap IEEE IEEE 1394 load balancing PCMCIA RAID Give Us Your Feedback Shopping hot spare Products Compare Products,Prices and Stores Shop by Category: Hard Drives 3 Store Offers Network Storage 11 Model Matches PDA Accessories 10 Model Matches