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Subsequently, tape libraries became physically automated, and as such are sometimes called a tape silo, tape robot, or tape jukebox. These are a storage devices that contain one or more tape drives , a number of slots to hold tape cartridges , a barcode reader to identify tape cartridges, and an automated method for loading tapes (a robot).
A virtual tape library (VTL) is a data storage virtualization technology used typically for backup and recovery purposes. A VTL presents a storage component (usually hard disk storage) as tape libraries or tape drives for use with existing backup software.
DDS tape drive (bottom). Above, from left to right: DDS-4 tape (20 GB), 112m Data8 tape (2.5 GB), QIC DC-6250 tape (250 MB), and a 3.5" floppy disk (1.44 MB). A tape drive is a data storage device that reads and writes data on a magnetic tape. Magnetic-tape data storage is typically used for offline, archival data storage. Tape media generally ...
Early IBM tape drives, such as the IBM 727 and IBM 729, were mechanically sophisticated floor-standing drives that used vacuum columns to buffer long u-shaped loops of tape. Between servo control of powerful reel motors, a low-mass capstan drive, and the low-friction and controlled tension of the vacuum columns, fast start and stop of the tape ...
Oracle's free open source StorageTek Linear Tape File System (LTFS), Open Edition software [10] is claimed to be the first to store 8.5TB (native capacity) on a single cartridge. It supports Oracle’s midrange StorageTek LTO 5 and LTO 6 tape drives from HP and IBM as well as Oracle’s StorageTek T10000C and T10000D tape drives. [11] [12]
Spectra introduced its TFinity tape library in November 2009, offering 99.9% reliability and scaling to 180 petabytes of storage capacity in an LTO-5 configuration. [ 8 ] In December 2010 Spectra's tape-library product line won first place in all 14 categories of Storage magazine/SearchStorage.com's 2010 Quality Awards for enterprise and ...
The drive pulled the tape from the cartridge and wound it once around a cylindrical mandrel in a helix, then stopped the tape. The drive's head, mounted on a rotating drum, then rotated once to read or record a diagonal track. The drive then wound the tape a small step forward and the head rotated to do the next track.
It is very common for the tape cartridge to be identified by an external label or sticker, which is normally both in human readable characters such as AB1023 and also in bar code, to be read by devices in an automated library. At the end of the tape, the drive reversed the direction of tape motion, moved the read and write heads slightly ...