LTO(redirected from Accelis)
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LTO(Linear Tape Open) A family of open magnetic tape standards developed by HP, IBM and Quantum (formerly the Certance subsidiary of Seagate) that are licensed to third-party vendors. LTO cartridges contain a memory that stores historical usage data. Although LTO was introduced with a native capacity of only 100GB, multi-terabyte tapes followed. Starting with LTO-3, write once-read many (WORM) support was added, and LTO-4 built in hardware encryption (see table below). See WORM.
LTO Is Ultrium
In 1998, two formats were announced: a single-hub Ultrium, like DLT cartridges, and a dual-hub Accelis, similar to Magstar MP. Sharing read/write head, track layout and other features, the single-hub Ultrium was accepted, while Accelis never took off. For information, visit www.lto-technology.com. See DLT and Magstar MP.
|An LTO (Ultrium) Cartridge|
|The single-hub Ultrium is the only LTO format, and LTO and Ultrium are synonymous.|
LTO UltriumGeneration Native Hardware (year) Capacity WORM Encryption LTO-1 (2000) 100GB LTO-2 (2003) 200GB LTO-3 (2005) 400GB X LTO-4 (2007) 800GB X X LTO-5 (2010) 1.5TB X X LTO-6 (2012) 2.5TB X X LTO-7 (2016) 6.0TB X X