The Use of Write-once Read-many Optical Disks for Temporary and Archival Storage
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منابع مشابه
An Operating System Independent WORM Archival System
We describe the organization of a general purpose data archival system for Write-Once, Read-Many (WORM) optical disks. The system has been designed for large-scale and long-term data storage and retrieval. The archival system is independent of the operating system, flat, self-consistent, does not use any write cache on magnetic disk, and allows the exploitation of auxiliary information on magne...
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This paper describes a network storage system, called Venti, intended for archival data. In this system, a unique hash of a block’s contents acts as the block identifier for read and write operations. This approach enforces a write-once policy, preventing accidental or malicious destruction of data. In addition, duplicate copies of a block can be coalesced, reducing the consumption of storage a...
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Many forms of digital memory have been developed for the permanent storage of information. These include keypunch cards, paper tapes, PROMS, photographic film and, more recently, digital optical disks. All these “write-once” memories have the property that once a “one” is written in a particular cell, tbis cell becomes irreversibly set at one. Thus, the ability to rewrite information in the mem...
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تاریخ انتشار 2010