Instant virtual copy to a primary mirroring portion of data
    1.
    发明授权
    Instant virtual copy to a primary mirroring portion of data 失效
    将即时虚拟副本复制到数据的主镜像部分

    公开(公告)号:US07409510B2

    公开(公告)日:2008-08-05

    申请号:US10856197

    申请日:2004-05-27

    IPC分类号: G06F13/00

    摘要: Techniques are provided for performing a copy operation. An instant virtual copy operation is issued from a first portion of data to a primary mirroring portion of data, wherein the primary mirroring portion of data corresponds to a secondary mirroring portion of data, and wherein the primary mirroring portion of data and the secondary mirroring portion of data are in a mirroring relationship. The mirroring relationship is transitioned to a duplex pending state in response to determining that the mirroring relationship is in a full duplex state. When the mirroring relationship is in a duplex pending state, each block of data involved in the instant virtual copy operation is transferred from the primary mirroring portion of data to the secondary mirroring portion of data.

    摘要翻译: 提供了执行复印操作的技术。 从数据的第一部分向数据的主镜像部分发出即时虚拟复制操作,其中数据的主镜像部分对应于数据的次镜像部分,并且其中数据的主镜像部分和次镜像部分 的数据处于镜像关系。 响应于确定镜像关系处于全双工状态,镜像关系被转换到双工挂起状态。 当镜像关系处于双工挂起状态时,即时虚拟复制操作中涉及的每个数据块从数据的主镜像部分传送到数据的次镜像部分。

    Method, system, and program for mirroring data among storage sites
    3.
    发明授权
    Method, system, and program for mirroring data among storage sites 有权
    用于在存储站点之间镜像数据的方法,系统和程序

    公开(公告)号:US07188222B2

    公开(公告)日:2007-03-06

    申请号:US10674845

    申请日:2003-09-29

    IPC分类号: G06F12/16 G06F11/00

    摘要: Provided are a method, system, and program for forming a consistency group of data. A command is received to form a consistency group with respect to data received at a first storage site that is mirrored to a second storage site. A first data structure is provided indicating updates to the first storage site not included in the consistency group that are received after the command and a second data structure is provided indicating updates to the first storage site in the consistency group to be formed. A command is transmitted to cause data copied to the second storage site that is part of the consistency group to be copied to a third storage site. Indication is received when the data in the second storage site that is part of the consistency group is copied to the third storage site.

    摘要翻译: 提供了用于形成一致性数据组的方法,系统和程序。 接收命令以形成与在第二存储站点镜像的第一存储站点处接收到的数据的一致性组。 提供第一数据结构,指示不包括在该命令之后接收到的一致性组中的第一存储站点的更新,并且提供指示将要形成的一致性组中的第一存储站点的更新的第二数据结构。 传送一个命令,将复制到作为一致性组一部分的第二个存储站点的数据复制到第三个存储站点。 当作为一致性组的一部分的第二个存储站点中的数据被复制到第三个存储站点时,接收到指示。