Duplex disk controller
    2.
    发明授权
    Duplex disk controller 失效
    双面磁盘控制器

    公开(公告)号:US06684307B2

    公开(公告)日:2004-01-27

    申请号:US09757967

    申请日:2001-01-10

    IPC分类号: G06F1300

    摘要: A disk device controller (1) performs reading/writing of data and management information from/to a first disk device (4) and a second disk device (5). The first disk device (4) and the second disk device (5) hold their device information and storing the management information and the data from the disk device controller (1). A reference device information holder (3) holds previously set reference device information peculiar to the device. A master disk decider (2) decides which one of the first disk device (4) and the second disk device is the master disk, based on the device information and the management information held in the first disk device (4) and the second disk device (5), and the reference device information held in the reference device information holder (3).

    摘要翻译: 磁盘设备控制器(1)从第一磁盘设备(4)和第二磁盘设备(5)执行数据和管理信息的读取/写入。 第一磁盘设备(4)和第二磁盘设备(5)保存其设备信息并存储来自磁盘设备控制器(1)的管理信息和数据。 参考设备信息保持器(3)保存设备特有的预先设定的参考设备信息。 主盘决定器(2)基于第一盘装置(4)和第二盘装置(4)中保存的装置信息和管理信息,决定第一盘装置(4)和第二盘装置中的哪一个是主盘 装置(5)以及参考装置信息保持器(3)中保持的参考装置信息。