MAID

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MAID

(Massive Array of Idle Disks) Active archiving that uses disk drives instead of tape. Most of the drives in a MAID array are idle most of the time, but can be revved up and read faster than searching sequentially through magnetic tape. MAID libraries typically do not use RAID technology because each read and write in most RAID configurations uses several drives. The concept behind MAID is to have an enormous amount of data quickly available at the least cost, and spinning disks require power and generate heat, which requires cooling.

Some Active, Some Passive
A MAID system may be built with a small ratio of spinning disks that serve as a cache for the non-spinning, passive disks. If a request is not found in the cache, the appropriate passive disks are powered up. See active archiving, WORO and RAID.
References in periodicals archive ?
At best, many employed one maid-of-all-work, and at worst, they might do all the housework themselves.
James Albrecht is the wonderfully indefatigable Garry, poor Bradley is the hapless Frederick, Tilly Gaunt is the dizzy scantily clad sex bomb Brooke, while Andrew Pointon as the maid-of-all-work Tim, along with Nicky Callanan and Sylvester McCoy all play with the kind of ferocious comic zeal that leaves you on the floor.
We also had beautiful lace curtains and velvet draperies, and Mama was a furious housekeeper, keeping everything shined and polished and scrubbed while she bewailed her lot in America at not having a maid-of-all-work as she had had in England.