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    • 4. 发明申请
    • System and Method for Synchronizing Redundant Data In A Storage Array
    • 在存储阵列中同步冗余数据的系统和方法
    • US20090100284A1
    • 2009-04-16
    • US11871258
    • 2007-10-12
    • Gabriel HighamSrinivasan Kadathur
    • Gabriel HighamSrinivasan Kadathur
    • G06F13/42
    • G06F11/1441G06F11/2082
    • Systems and methods for synchronizing redundant data in a storage array are disclosed. In accordance with a method, a pointer indicating the amount of data synchronized between a first storage resource to a second storage resource may be maintained and a power event may be detected. In response to the detection of the power event, an attempt may be made to flush a write cache associated with the second storage resource to transfer data from the write cache to a non-volatile storage area of the second storage resource. A determination may be made whether the attempt to flush the write cache is successful. In response to determining that the attempt to flush the write cache is successful, a flag may be set to indicate that the pointer accurately indicates the amount of data mirrored from the first storage resource to the non-volatile storage area of the second storage resource.
    • 公开了用于在存储阵列中同步冗余数据的系统和方法。 根据方法,可以保持指示第一存储资源与第二存储资源之间同步的数据量的指针,并且可以检测到电力事件。 响应于功率事件的检测,可以尝试刷新与第二存储资源相关联的写入高速缓存以将数据从写入高速缓存传送到第二存储资源的非易失性存储区域。 可以确定刷新写入高速缓存的尝试是否成功。 响应于确定刷新写入高速缓存的尝试成功,可以设置标志以指示该指针准确地指示从第一存储资源镜像到第二存储资源的非易失性存储区域的数据量。
    • 5. 发明授权
    • System and method for synchronizing redundant data in a storage array
    • 用于在存储阵列中同步冗余数据的系统和方法
    • US07814361B2
    • 2010-10-12
    • US11871258
    • 2007-10-12
    • Gabriel HighamSrinivasan Kadathur
    • Gabriel HighamSrinivasan Kadathur
    • G06F1/12G06F1/00G06F12/00G06F13/00G06F11/00G11C29/00H03M13/03
    • G06F11/1441G06F11/2082
    • Systems and methods for synchronizing redundant data in a storage array are disclosed. In accordance with a method, a pointer indicating the amount of data synchronized between a first storage resource to a second storage resource may be maintained and a power event may be detected. In response to the detection of the power event, an attempt may be made to flush a write cache associated with the second storage resource to transfer data from the write cache to a non-volatile storage area of the second storage resource. A determination may be made whether the attempt to flush the write cache is successful. In response to determining that the attempt to flush the write cache is successful, a flag may be set to indicate that the pointer accurately indicates the amount of data mirrored from the first storage resource to the non-volatile storage area of the second storage resource.
    • 公开了用于在存储阵列中同步冗余数据的系统和方法。 根据方法,可以保持指示第一存储资源与第二存储资源之间同步的数据量的指针,并且可以检测到电力事件。 响应于功率事件的检测,可以尝试刷新与第二存储资源相关联的写入高速缓存以将数据从写入高速缓存传送到第二存储资源的非易失性存储区域。 可以确定刷新写入高速缓存的尝试是否成功。 响应于确定刷新写入高速缓存的尝试成功,可以设置标志以指示该指针准确地指示从第一存储资源镜像到第二存储资源的非易失性存储区域的数据量。