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A disk enclosure is a specialized casing designed to hold and power hard disk drives or solid state drives while providing a mechanism to allow them to communicate to one or more separate computers. Drive enclosures provide power to the drives therein and convert the data sent across their native data bus into a format usable by an external ...
A Kaypro II displaying the Kaypro Wikipedia page using Lynx over a serial connection A Kaypro II motherboard. The Kaypro II has a 2.5 MHz Zilog Z80 microprocessor; 64 KB of RAM; two single-sided 191 KB 5¼-inch floppy disk drives (named A: and B:); and an 80-column, green monochrome, 9" CRT that was praised for its size and clarity (the Osborne 1 had a 5" display).
A hard disk drive (HDD), hard disk, hard drive, or fixed disk [a] is an electro-mechanical data storage device that stores and retrieves digital data using magnetic storage with one or more rigid rapidly rotating platters coated with magnetic material.
HP EVA4400 storage array, consisting of 2U controller enclosure (top) and 4 2U disk shelves. A disk array is a disk storage system which contains multiple disk drives. [1] It is differentiated from a disk enclosure, in that an array has cache memory and advanced functionality, like RAID, deduplication, encryption and virtualization.
Storage is connected via back-end loops with up to 120 drives per loop, the drives are contained in Disk Array Enclosures (DAEs) of 15 drives each. The operating environment, FLARE (Fibre Logic Array Runtime Environment), resides on the first four disks of the first DAE (bus 0 enclosure 0), which is also supplied by the integrated UPS.
JBOD (just a bunch of disks or just a bunch of drives) is an architecture using multiple hard drives exposed as individual devices.Hard drives may be treated independently or may be combined into one or more logical volumes using a volume manager like LVM or mdadm, or a device-spanning filesystem like btrfs; such volumes are usually called "spanned" or "linear | SPAN | BIG".