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    • 2. 发明公开
    • Automated library data retrieval system
    • 在einem automatisierten Bibliotheksystem的Datenwiederauffindung。
    • EP0535922A2
    • 1993-04-07
    • EP92308896.7
    • 1992-09-30
    • International Business Machines Corporation
    • Gniewek, John James
    • G06F3/06
    • G06F3/0601G06F2003/0697G11B15/689G11B17/228G11B27/002G11B27/36G11B2220/41G11B2220/90
    • An automated library system has sequentially stored data on a recording tape medium. A multiplicity of copies of the data is stored on different tape cartridges. The copies and the original are stored in different areas of the library. Each data segment stored on the tape media copy is stored in different areas of the media length from the original. The multiple copies are created and deleted independent of any user control by a multiple virtual cartridge control 82. The usage of the original and any copies, accumulated by a use log 92, determine the number of copies and their residence times. A logic function 90 in a library manager 18 selects the tape cartridge that can be retrieved in the shortest response time using the location of the original and the copies, the location on each cartridge of the data requested, the drive and library robot picker availability add the respective queues.
    • 自动库系统已经将数据顺序存储在记录带介质上。 数据的多个副本存储在不同的磁带盒上。 副本和原件存储在图书馆的不同区域。 存储在磁带媒体副本上的每个数据段都存储在与原始媒体长度不同的区域中。 独立于多个虚拟盒控制器82的任何用户控制来创建和删除多个副本。由使用日志92累积的原件和任何副本的使用确定副本数量及其驻留时间。 库管理器18中的逻辑功能90使用原始位置和副本,所请求数据的每个盒上的位置,驱动器和库机器人选择器可用性添加来选择可在最短响应时间内检索的磁带盒 相应的队列。
    • 3. 发明公开
    • Data processing
    • 数据处理
    • EP0535920A3
    • 1995-06-07
    • EP92308894.2
    • 1992-09-30
    • International Business Machines Corporation
    • Gniewek, John JamesGraves, David Conrad
    • G11B19/02G11B23/28G11B15/05
    • G11B23/281G11B19/02G11B19/12G11B20/1205G11B27/3027G11B27/36G11B2020/10592G11B2220/218G11B2220/90
    • A data processing system uses prevent and detect mechanisms to enable rewritable data storage media 22 to be operated as a written-once-only media. A physical indication on the media casing 34 serves as an indicator of the write-once-only status of the media. A watermark is magnetically recorded on the media at the factory with a portion of the mark detectable by the system and a portion only detectable by returning to an inspection station for verification. This protects against a complete erasure of all data from the media. A segment write status indication serves to indicate the write-once-only status of each segment of the written data. A portion of the written region, such as the preamble or control field of each segment, contains a status mark written randomly within the area as a status indication. The absence of a status mark indicates that no data has been written. The presence of one status mark indicates that data has been written once. The presence of several status marks indicates that data has been written several times.
    • 数据处理系统使用防止和检测机制来使可重写数据存储介质22能够作为仅一次写入介质来操作。 介质壳体34上的物理指示充当介质的仅一次写入状态的指示。 在出厂时磁性地记录介质上的水印,其中标记的一部分可被系统检测到,而一部分只能通过返回检查站检测才能检测到。 这样可以防止从媒体中完全删除所有数据。 段写入状态指示用于指示写入数据的每个段的只写一次状态。 写入区域的一部分(例如每个段的前导码或控制字段)包含在该区域内随机写入的状态标记作为状态指示。 没有状态标记表示没有数据被写入。 一个状态标记的存在表示数据已被写入一次。 存在多个状态标记表示数据已被写入数次。
    • 4. 发明公开
    • Data processing
    • DATENVERARBEITUNG。
    • EP0535920A2
    • 1993-04-07
    • EP92308894.2
    • 1992-09-30
    • International Business Machines Corporation
    • Gniewek, John JamesGraves, David Conrad
    • G11B19/02G11B23/28G11B15/05
    • G11B23/281G11B19/02G11B19/12G11B20/1205G11B27/3027G11B27/36G11B2020/10592G11B2220/218G11B2220/90
    • A data processing system uses prevent and detect mechanisms to enable rewritable data storage media 22 to be operated as a written-once-only media. A physical indication on the media casing 34 serves as an indicator of the write-once-only status of the media. A watermark is magnetically recorded on the media at the factory with a portion of the mark detectable by the system and a portion only detectable by returning to an inspection station for verification. This protects against a complete erasure of all data from the media. A segment write status indication serves to indicate the write-once-only status of each segment of the written data. A portion of the written region, such as the preamble or control field of each segment, contains a status mark written randomly within the area as a status indication.
      The absence of a status mark indicates that no data has been written. The presence of one status mark indicates that data has been written once. The presence of several status marks indicates that data has been written several times.
    • 数据处理系统使用防止和检测机制来使可重写数据存储介质22作为仅一次写入媒体来操作。 介质套管34上的物理指示用作媒体的一次写入状态的指示。 水印在出厂时被磁记录在介质上,其中一部分标记可被系统检测到,而一部分只能通过返回到检查站才能检测到。 这样可以防止来自媒体的所有数据的完全擦除。 段写入状态指示用于指示写入数据的每个段的仅写入状态。 写入区域的一部分,例如每个段的前导码或控制字段,包含在该区域内随机写入的状态标记作为状态指示。 没有状态标记表示没有数据被写入。 一个状态标记的存在表示数据已被写入一次。 几个状态标记的存在表示数据已经被写好了几次。