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Linear Tape-Open (LTO), also known as the LTO Ultrium format, [1] is a magnetic tape data storage technology used for backup, data archiving, and data transfer. It was originally developed in the late 1990s as an open standards alternative to the proprietary magnetic tape formats available at the time.
DEC TK50 drive and cassette CompacTape II CompacTape III (DLT) DEC launched the TK50 tape drive for the MicroVAX II and PDP-11 minicomputers in 1984. This used 22-track CompacTape I cartridges, storing 94 MB per cartridge. The TK50 was superseded in 1987 by the TK70 drive and the 48-track CompacTape II cartridge, capable of storing 294 MB.
If a defective drive—for example with fluff in a sensor—winds the tape past the BOT or EOT marker, the tape will detach from the spool and the cartridge will be unusable unless it is reattached. The design of the QIC tape cartridge is very robust: the aluminium baseplate is 1 ⁄ 10 inch (2.54 mm) thick, and the robust plastic cover can ...
The first drive, having the IBM product number 3592, was introduced under the nickname Jaguar. The next drive was the TS1120, also having the nickname Jaguar. As of October 2023, the latest and current drive is the TS1170. The 3592 line of tape drives and media is not compatible with the IBM 3590 series of drives, which it superseded. This ...
The IBM Linear Tape File System - Single Drive Edition, (initially released as "IBM Long Term File System"), allows tapes to be formatted as an LTFS volume, and for these volumes to be mounted - and users and applications access files and directories stored on the tape directly, including drag-and-drop of files.
The first 3480 tape drives were introduced in 1984. The IBM 3480 was the first tape drive to employ magnetoresistive (MR) heads and the first to use chromium dioxide tape. One way the format stands out from earlier formats is that the gap between blocks is too small for the drive to stop the tape within it, so the drive must have a write buffer.
Old tapes used many times tend to have a visibly marked stripe down the center of the tape where the band has pressed into the tape. Unlike some competing technologies such as Digital Linear Tape (DLT) and Linear Tape-Open (LTO), Travan technology does not automatically verify data after writing. Data verification must be done separately by the ...
Modern magnetic tape is most commonly packaged in cartridges and cassettes, such as the widely supported Linear Tape-Open (LTO) [12] and IBM 3592 series. The device that performs the writing or reading of data is called a tape drive. Autoloaders and tape libraries are often used to automate cartridge handling and exchange. Compatibility was ...
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