Asynchronous data mirroring with look-head synchronization record
    1.
    发明申请
    Asynchronous data mirroring with look-head synchronization record 有权
    异步数据镜像与前端同步记录

    公开(公告)号:US20050071388A1

    公开(公告)日:2005-03-31

    申请号:US10673529

    申请日:2003-09-29

    IPC分类号: G06F11/00 G06F12/16 G06F17/30

    摘要: A method for managing a data storage system includes maintaining a record predictive of locations to which data are to be written on the primary storage subsystem by a host processor. Upon receiving data from the host processor at the primary storage subsystem to be written to a specified location on the first non-volatile storage media, if the specified location is not included in the record, the record is updated responsively to the specified location. The primary storage subsystem signals the host processor that the data have been stored in the data storage system responsively to receiving the data and, if the specified location was not included in the record, responsively to updating the record.

    摘要翻译: 一种用于管理数据存储系统的方法包括:通过主机处理器来保持对主存储子系统上要写入数据的位置的记录进行预测。 在从主存储子系统处的主处理器接收到要写入到第一非易失性存储介质上的指定位置的数据时,如果指定的位置不包括在记录中,则响应于指定的位置来更新该记录。 主存储子系统响应于接收数据而将数据已经存储在数据存储系统中,并且如果指定的位置不包括在记录中,则响应于更新记录。

    Asynchronous data mirroring with look-ahead synchronization record
    2.
    发明授权
    Asynchronous data mirroring with look-ahead synchronization record 有权
    异步数据镜像与预先同步记录

    公开(公告)号:US07412464B2

    公开(公告)日:2008-08-12

    申请号:US10673529

    申请日:2003-09-29

    IPC分类号: G06F12/00 G06F17/30

    摘要: A method for managing a data storage system includes maintaining a record predictive of locations to which data are to be written on the primary storage subsystem by a host processor. Upon receiving data from the host processor at the primary storage subsystem to be written to a specified location on the first non-volatile storage media, if the specified location is not included in the record, the record is updated responsively to the specified location. The primary storage subsystem signals the host processor that the data have been stored in the data storage system responsively to receiving the data and, if the specified location was not included in the record, responsively to updating the record.

    摘要翻译: 一种用于管理数据存储系统的方法包括:通过主机处理器来保持对主存储子系统上要写入数据的位置的记录进行预测。 在从主存储子系统处的主处理器接收到要写入到第一非易失性存储介质上的指定位置的数据时,如果指定的位置不包括在记录中,则响应于指定的位置来更新该记录。 主存储子系统响应于接收数据而将数据已经存储在数据存储系统中,并且如果指定的位置不包括在记录中,则响应于更新记录。

    ASYNCHRONOUS DATA MIRRORING WITH LOOK-AHEAD SYNCHRONIZATION RECORD
    3.
    发明申请
    ASYNCHRONOUS DATA MIRRORING WITH LOOK-AHEAD SYNCHRONIZATION RECORD 审中-公开
    具有前瞻同步记录的异步数据镜像

    公开(公告)号:US20090327601A1

    公开(公告)日:2009-12-31

    申请号:US12164140

    申请日:2008-06-30

    IPC分类号: G06F12/00

    CPC分类号: G06F11/2074 G06F12/0866

    摘要: A data storage system is provided. The system includes a primary storage subsystem, which includes first non-volatile storage media and a secondary storage subsystem, which includes second non-volatile storage media, wherein the primary storage subsystem is arranged to receive data from a host processor for writing to a specified location, and to store the data in the specified location on the first non-volatile storage media while copying the data to the second storage subsystem, which is arranged to store the data in the specified location on the second non-volatile storage media so as to create a mirror on the secondary storage subsystem of the data received by the primary storage subsystem, and wherein the primary storage subsystem is arranged to maintain a record of locations to which data are expected to be written on the primary storage subsystem by the host processor, as indicated by a predetermined prediction algorithm based on the locations to which the data have already been written, and upon receiving the data from the host processor, to update the record using the prediction algorithm so that the record includes both the specified location and one or more further locations that have not yet been specified by the host processor if the specified location is not included in the record, and to output an acknowledgement to the host processor to indicate that the data have been stored in the data storage system after receiving the data and, after updating the record if the specified location was not included in the record prior to-updating the record.

    摘要翻译: 提供数据存储系统。 该系统包括主存储子系统,其包括第一非易失性存储介质和次存储子系统,其包括第二非易失性存储介质,其中主存储子系统被布置为从主机处理器接收数据以写入指定的 位置,并且将数据存储在第一非易失性存储介质上的指定位置,同时将数据复制到第二存储子系统,其被布置为将数据存储在第二非易失性存储介质上的指定位置,以便 在所述辅助存储子系统上创建由所述主存储子系统接收的数据的镜像,并且其中所述主存储子系统被布置为通过所述主处理器维护预期将数据写入所述主存储子系统的位置的记录 ,如由基于已经写入数据的位置的预定预测算法所指示的,以及在接收到da时 ta使用预测算法来更新记录,使得如果指定的位置不包括在记录中,记录包括指定位置和主机处理器尚未指定的一个或多个另外的位置, 并且在接收到数据之后向主机处理器输出指示数据已经存储在数据存储系统中的确认,并且在更新记录之前更新记录,如果指定的位置未被包括在记录中。

    Initializing of a memory area
    5.
    发明授权
    Initializing of a memory area 失效
    初始化内存区域

    公开(公告)号:US08347052B2

    公开(公告)日:2013-01-01

    申请号:US13352274

    申请日:2012-01-17

    IPC分类号: G06F12/00

    摘要: A method for initializing a memory area, the method includes: receiving a request to access a first memory sub area of a first memory area that comprises multiple memory sub areas; and initializing the first memory sub area if a first memory area initialization indicator differs from a first memory sub area initialization request indicator; wherein the first memory area initialization request indicator is a multiple bit variable indicative of a time of a last request to initialize the first memory area and the first memory sub area initialization indicator is a multiple bit variable indicative of a time of a request to initialize the first memory area that resulted in a last initialization of the first memory sub area.

    摘要翻译: 一种用于初始化存储区域的方法,所述方法包括:接收访问包括多个存储器子区域的第一存储器区域的第一存储器子区域的请求; 以及如果第一存储区初始化指示符与第一存储器子区初始化请求指示符不同,则初始化第一存储器子区; 其中所述第一存储区初始化请求指示符是指示初始化所述第一存储器区域的最后请求的时间的多位变量,并且所述第一存储器子区初始化指示符是表示初始化所述第一存储区初始化请求的时间的多位变量 导致第一存储器子区域的最后初始化的第一存储区域。

    SYNCHRONIZING DATA STORAGE SYSTEMS IN A DATA STORAGE ENVIRONMENT
    7.
    发明申请
    SYNCHRONIZING DATA STORAGE SYSTEMS IN A DATA STORAGE ENVIRONMENT 失效
    在数据存储环境中同步数据存储系统

    公开(公告)号:US20110191557A1

    公开(公告)日:2011-08-04

    申请号:US12698331

    申请日:2010-02-02

    IPC分类号: G06F12/16 G06F12/00

    CPC分类号: G06F12/00 G06F12/16

    摘要: A method for synchronizing data storage systems is provided. The method comprises designating a relationship between a first data storage system and a second data storage system, such that data stored in the first data storage system is copied to the second data storage system, in response to determining that the data stored in the first data storage system has been modified; receiving a first request to modify data stored in a first data block of a first storage volume in the first data storage system, wherein the data block is modified according to the first request; determining that the first data block has not been successfully synchronized when the modified data stored in the first data block is not copied to the second data storage system; and executing a process to retry synchronization of the first data block until synchronization of the first data block is successful, without suspending the relationship while the process is executed.

    摘要翻译: 提供了一种同步数据存储系统的方法。 该方法包括:指定第一数据存储系统和第二数据存储系统之间的关系,使得存储在第一数据存储系统中的数据被复制到第二数据存储系统,以响应于确定存储在第一数据中的数据 存储系统已经修改; 接收修改存储在第一数据存储系统中的第一存储卷的第一数据块中的数据的第一请求,其中根据第一请求修改数据块; 当存储在第一数据块中的修改数据未被复制到第二数据存储系统时,确定第一数据块尚未成功同步; 以及执行重试所述第一数据块的同步的处理,直到所述第一数据块的同步成功,而不执行所述处理时暂停所述关系。

    SYSTEM, METHOD AND COMPUTER PROGRAM PRODUCT FOR EVALUATNG A TEST OF AN ALTERNATIVE SYSTEM
    9.
    发明申请
    SYSTEM, METHOD AND COMPUTER PROGRAM PRODUCT FOR EVALUATNG A TEST OF AN ALTERNATIVE SYSTEM 有权
    系统,方法和计算机程序产品用于评估替代系统的测试

    公开(公告)号:US20090055832A1

    公开(公告)日:2009-02-26

    申请号:US11844931

    申请日:2007-08-24

    IPC分类号: G06F9/46

    CPC分类号: G06F11/3664

    摘要: A method for checking an alternative system test, the method includes: determining a relationship between (i) utilization of resources during an execution of a group of programs by a first system when operating in a non-testing mode and (ii) utilization of resources during an executive of an alternative system test by the alternative system; wherein the alternative system test comprises at least on program of the group of programs.

    摘要翻译: 一种用于检查替代系统测试的方法,所述方法包括:确定在(i)在以非测试模式操作时由第一系统执行一组程序期间的资源利用与(ii)资源利用之间的关系 在替代系统的替代系统测试执行期间; 其中所述替代系统测试至少包括所述程序组的程序。