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    Retrieval of serpentine pattern data
    15.
    发明公开
    Retrieval of serpentine pattern data 审中-公开
    Wiederauffindung von Daten mitschlangenförmigemmuster

    公开(公告)号：EP0978835A2

    公开(公告)日：2000-02-09

    申请号：EP99306064.9

    申请日：1999-07-30

    申请人： International Business Machines Corporation

    发明人： Fry, Scott Milton ,  Johnson, Steven Douglas ,  Wilson, Steven Bennett

    IPC分类号： G11B15/05 ,  G11B15/00 ,  G11B15/68 ,  G11B15/67 ,  G11B23/04

    CPC分类号： G11B23/08714 ,  G11B15/07 ,  G11B15/67544 ,  G11B15/6835 ,  G11B23/042 ,  G11B23/107 ,  G11B27/002 ,  G11B27/11 ,  G11B2020/10768 ,  G11B2220/41 ,  G11B2220/655 ,  G11B2220/95

    摘要： Disclosed is a data storage system for use with a tape cartridge storing data in a serpentine pattern on tape media, and having a memory device for storing a device block map for the tape media. A tape drive, or a loading mechanism, first positions the tape cartridge at memory interface for transferring the device block map from the memory device to a processor, and subsequently positions the tape media for reading and/or writing. The processor processes the device block map from the memory device for optimal retrieval of the serpentine pattern data of the tape media. The processing of the device block map occurs while the tape media is positioned for reading and/or writing, so that the processor begins the retrieval reading process immediately upon the positioning of the tape media. In another aspect of the invention, a robotic accessor of an automated data storage library moves the tape cartridge to the tape drive. The tape cartridge is positioned at the memory interface on the robotic accessor, and the stored device block map is transferred from the memory device to the processor, during the move.

    摘要翻译： 公开了一种与磁带盒一起使用的数据存储系统，其在磁带介质上存储蛇形图案的数据，并且具有用于存储磁带介质的设备块图的存储器设备。 磁带驱动器或加载机构首先将磁带盒定位在存储器接口处，以将设备块映射从存储器件传送到处理器，并且随后将磁带介质定位以用于读取和/或写入。 处理器处理来自存储器设备的设备块映射，以最佳地检索磁带介质的蛇形图案数据。 当磁带介质定位用于读取和/或写入时，发生设备块映射的处理，使得处理器在定位磁带介质时立即开始检索读取过程。 在本发明的另一方面，自动数据存储库的机器人存取器将带盒移动到磁带驱动器。 磁带盒位于机器人存取器上的存储器接口处，并且存储的设备块图在移动期间从存储器件传送到处理器。