Flexible remote data mirroring
    2.
    发明授权
    Flexible remote data mirroring 有权
    灵活的远程数据镜像

    公开(公告)号:US09270752B2

    公开(公告)日:2016-02-23

    申请号:US14504371

    申请日:2014-10-01

    Abstract: Methods, systems, and configured storage media are provided for flexible data mirroring. In particular, the invention provides many-to-one data mirroring, including mirroring from local servers running the same or different operating systems and/or file systems at two or more geographically dispersed locations. The invention also provides one-to-many data mirroring, mirroring with or without a dedicated private telecommunications link, and mirroring with or without a dedicated server or another server at the destination(s) to assist the remote mirroring unit(s). In addition, the invention provides flexibility by permitting the use of various combinations of one or more external storage units and/or RAID units to hold mirrored data. Spoofing, SCSI and other bus emulations, and further tools and techniques are used in various embodiments of the invention.

    Abstract translation: 提供了方法,系统和配置的存储介质,用于灵活的数据镜像。 特别地,本发明提供了多对一的数据镜像,包括从在两个或更多地理上分散的位置处运行相同或不同操作系统和/或文件系统的本地服务器进行镜像。 本发明还提供一对多数据镜像,具有或不具有专用私人电信链路的镜像,以及在目的地处有或没有专用服务器或另一服务器的镜像,以协助远程镜像单元。 此外,本发明通过允许使用一个或多个外部存储单元和/或RAID单元的各种组合来保存镜像数据来提供灵活性。 在本发明的各种实施例中,使用了欺骗,SCSI和其它总线仿真以及其它工具和技术。

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