Write-Once Read-Many

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(storage)

Write-Once Read-Many - (WORM) Any type of storage medium to which data can be written to only a single time, but can be read from any number of times. Typically this is an optical disk whose surface is permanently etched using a laser in order to record information. WORM media have a significantly longer shelf life than magnetic media and thus are used when data must be preserved for a long time.

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CCW
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In addition, appending data at the end of a write-once read-many (WORM) cartridge which was previously written to is supported, thus allowing customers to take full advantage of the high capacity tape media.

LTO Program Announces WORM Specification for LTO Generation 3 ... by Business Wire

The new AMASS version incorporates support for Write-once Read-many (WORM) tape technology and the latest revisions of UNIX operating systems to provide users with high security storage for large data sets at low cost.

Increased Security, Performance and Flexibility Featured in ADIC's ... by Business Wire

Magneto-optic technology continues to deliver high reliability, ruggedness, fast performance, and the option of either a rewritable format or a Write-Once Read-Many (WORM) format through the use of Continuous Composite Write (CCW) technology.

Optical Storage Industry Achieves 9.1 GB MO Milestone for ... by Business Wire

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