LTO

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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 is licensed to third-party vendors. As of 2019, LTO is the only thriving tape cartridge format.

LTO cartridges contain an LTO-CM (LTO cartridge memory), which is a non-volatile EEPROM chip that stores location data and usage. The tape is drawn out of the cartridge to a non-removable take-up reel inside the drive.

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.

Ultrium Won Out
In 1998, two LTO formats were introduced: single-hub Ultrium and dual-hub Accelis. Sharing head, track layout and other features, the single-hub Ultrium was accepted, while Accelis never took off. For information, visit www.lto.org. See magnetic tape.


An LTO (Ultrium) Cartridge
The single-hub Ultrium is the only LTO format, and LTO and Ultrium are synonymous.





   LTOGeneration    Native         Hardware  (year)     Capacity  WORM  Encryption

  LTO-8 (2017)  12.0TB     X       X
  LTO-7 (2015)   6.0TB     X       X
  LTO-6 (2012)   2.5TB     X       X
  LTO-5 (2010)   1.5TB     X       X
  LTO-4 (2007)   800GB     X       X
  LTO-3 (2005)   400GB     X
  LTO-2 (2003)   200GB
  LTO-1 (2000)   100GB
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References in periodicals archive ?
Fujifilm has launched an LTO-5 data cartridge with a 3TB capacity (at 2:1 compression; 1.
New Fujifilm LTO-5 cartridge
Tokyo, Aug 10, 2010 - (ACN Newswire) - Fujitsu today announced that its ETERNUS LT20, LT40 and LT60 tape libraries will be equipped with the next generation of LTO tape drives, LTO-5.
Customers will benefit from the technology upgrade in many ways: providing up to 3 TB of storage capacity, as each LTO-5 tape reduces the number of tapes needed in total and enables industry leading capacities of almost twice that of LTO-4 and four times that of LTO-3.
Fujitsu Upgrades its Entry-level Tape Libraries with Next-Generation Tape Drives
lt;p>Imation is the first company to license the Ultrium LTO-5 tape media.
Imation announces multi-terabyte tape cartridges
With the introduction of LTFS for our video archive, we've been able to utilize LTO-5 tape to significantly reduce our storage costs, improve our scalability, ease of use and reliability over our previous systems," said Jamie Morganstern, BAMM.
The LTO Program Celebrates 12th Year as More than 80,000 PB of Data is Protected and Retained in Multiple Applications
With general availability of LTO-6 tape drives and media expected in 2012, customers can now join the LTO-6 pre-purchase program and receive LTO-5 drives today for use until LTO-6 drives become available.
LTO-6 drives are designed with backwards-compatible read-and-write capability with LTO-5 cartridges, and backward read capabilities with LTO-4 and LTO-5 cartridges, to ensure investment protection and to ease deployment.
Spectra Logic Launches LTO-6 Tape Drive Pre-Purchase Program
Spectra Logic, celebrating 30 years of data storage innovation, announced today that it is now shipping LTO-5 drives and Spectra certified LTO-5 media cartridges in its T-Series tape libraries.
LTO-5 media cartridges have a native capacity of 1.
Spectra Logic Ships LTO-5 Drives and Media in T-Series Tape Libraries
Tape Manufacturers to Support LTO-5 Technology and the Ultrium Format Capacity, Performance, and Feature Enhancements
Fujifilm, Hitachi Maxell, Imation, Sony and TDK Pass LTO Ultrium Generation 5 Interchange Compliance Testing
Customers who select the LTO-5 pre-purchase option can receive an LTO-4 drive today for use until LTO-5 drives become available.
Spectra Logic's LTO-5 pre-purchase program is an economical choice that will allow us to scale up without worry," said John Funke, manager of network engineering, ON24 Inc.
Spectra Logic Offers Industry's First LTO-5 Tape Drive Pre-Purchase Program

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