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    • 8. 发明申请
    • CACHING SOURCE BLOCKS OF DATA FOR TARGET BLOCKS OF DATA
    • 缓存数据块数据块
    • US20130185501A1
    • 2013-07-18
    • US13352201
    • 2012-01-17
    • Kevin J. AshMichael T. BenhaseLokesh M. GuptaMatthew J. Kalos
    • Kevin J. AshMichael T. BenhaseLokesh M. GuptaMatthew J. Kalos
    • G06F12/08
    • G06F12/0802G06F12/0868
    • Provided are a computer program product, system, and method for processing a read operation for a target block of data. A read operation for the target block of data in target storage is received, wherein the target block of data is in an instant virtual copy relationship with a source block of data in source storage. It is determined that the target block of data in the target storage is not consistent with the source block of data in the source storage. The source block of data is retrieved. The data in the source block of data in the cache is synthesized to make the data appear to be retrieved from the target storage. The target block of data is marked as read from the source storage. In response to the read operation completing, the target block of data that was read from the source storage is demoted.
    • 提供了一种用于处理目标数据块的读取操作的计算机程序产品,系统和方法。 接收目标存储器中目标数据块的读取操作,其中目标数据块与源存储器中的源数据块处于即时虚拟复制关系。 确定目标存储器中的目标数据块与源存储器中的数据源块不一致。 检索源数据块。 高速缓存中源数据块中的数据被合成,使数据看起来从目标存储器检索出来。 目标数据块被标记为从源存储器读取。 响应于读取操作完成,从源存储器读取的目标数据块被降级。
    • 10. 发明授权
    • Caching source blocks of data for target blocks of data
    • 缓存目标数据块的数据源块
    • US08825973B2
    • 2014-09-02
    • US13352201
    • 2012-01-17
    • Kevin J. AshMichael T. BenhaseLokesh M. GuptaMatthew J. Kalos
    • Kevin J. AshMichael T. BenhaseLokesh M. GuptaMatthew J. Kalos
    • G06F12/08
    • G06F12/0802G06F12/0868
    • Provided are a computer program product, system, and method for processing a read operation for a target block of data. A read operation for the target block of data in target storage is received, wherein the target block of data is in an instant virtual copy relationship with a source block of data in source storage. It is determined that the target block of data in the target storage is not consistent with the source block of data in the source storage. The source block of data is retrieved. The data in the source block of data in the cache is synthesized to make the data appear to be retrieved from the target storage. The target block of data is marked as read from the source storage. In response to the read operation completing, the target block of data that was read from the source storage is demoted.
    • 提供了一种用于处理目标数据块的读取操作的计算机程序产品,系统和方法。 接收目标存储器中目标数据块的读取操作,其中目标数据块与源存储器中的源数据块处于即时虚拟复制关系。 确定目标存储器中的目标数据块与源存储器中的数据源块不一致。 检索源数据块。 高速缓存中源数据块中的数据被合成,使数据看起来从目标存储器检索出来。 目标数据块被标记为从源存储器读取。 响应于读取操作完成,从源存储器读取的目标数据块被降级。