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    REPLICATING TRACKS FROM A FIRST STORAGE SITE TO A SECOND AND THIRD STORAGE SITES
    1.
    发明申请
    REPLICATING TRACKS FROM A FIRST STORAGE SITE TO A SECOND AND THIRD STORAGE SITES 有权
    将第一个存储站点的路由更改为第二个和第三个存储站点

    公开(公告)号：US20150309747A1

    公开(公告)日：2015-10-29

    申请号：US14738821

    申请日：2015-06-12

    申请人： International Business Machines Corporation

    发明人： Michael T. Benhase ,  Lokesh M. Gupta ,  Brian D. Hatfield ,  Gail A. Spear

    IPC分类号： G06F3/06

    CPC分类号： G06F3/0619 ,  G06F3/0605 ,  G06F3/065 ,  G06F3/0665 ,  G06F3/067 ,  G06F3/0689 ,  G06F12/0866 ,  G06F12/0868 ,  G06F12/12 ,  G06F2212/262

    摘要： Provided are a computer program product, system, and method for replicating tracks from a first storage to a second and third storages. A determination is made of a track in the first storage to transfer to the second storage as part of a point-in-time copy relationship and of a stride of tracks including the target track. The stride of tracks including the target track is staged from the first storage to a cache according to the point-in-time copy relationship. The staged stride is destaged from the cache to the second storage. The stride in the cache is transferred to the third storage as part of a mirror copy relationship. The stride of tracks in the cache is demoted in response to destaging the stride of the tracks in the cache to the second storage and transferring the stride of tracks in the cache to the third storage.

    摘要翻译： 提供了一种用于将轨道从第一存储器复制到第二和第三存储器的计算机程序产品，系统和方法。 确定在第一存储器中的轨道作为时间点复制关系的一部分和包括目标轨道的轨迹的步幅传送到第二存储器。 根据时间点复制关系，将包含目标轨道的轨道的步幅从第一个存储器暂存到高速缓存。 分阶段的步伐已经从高速缓存迁移到第二个存储。 缓存中的步幅作为镜像复制关系的一部分传输到第三个存储。 响应于高速缓存中的轨道的步幅降级到第二存储器并且将高速缓存中的轨迹的步幅传送到第三存储器，缓存中的轨道的步幅被降级。

    USING FILE ELEMENT ACCESSES TO SELECT FILE ELEMENTS IN A FILE SYSTEM TO DEFRAGMENT
    3.
    发明申请
    USING FILE ELEMENT ACCESSES TO SELECT FILE ELEMENTS IN A FILE SYSTEM TO DEFRAGMENT 审中-公开
    使用文件元素访问文件系统中的文件元素来进行修改

    公开(公告)号：US20150186401A1

    公开(公告)日：2015-07-02

    申请号：US14146645

    申请日：2014-01-02

    申请人： International Business Machines Corporation

    发明人： Duane M. Baldwin ,  John T. Olson ,  Sandeep R. Patil ,  Riyazahamad M. Shiraguppi ,  Gail A. Spear

    IPC分类号： G06F17/30

    CPC分类号： G06F17/30135

    摘要： Provided are a computer program product, system, and method for using file element accesses to select file elements in a file system to defragment. A determination is made of accesses to file elements in the file system. The determined accesses to the file elements are used to select the file elements to defragment and the selected file elements are defragmented.

    摘要翻译： 提供了一种用于使用文件元素访问来选择文件系统中的文件元素进行碎片整理的计算机程序产品，系统和方法。 确定对文件系统中的文件元素的访问。 对文件元素的确定访问用于选择要进行碎片整理的文件元素，并对选定的文件元素进行碎片整理。

    RESYNCHRONIZING TO A FIRST STORAGE SYSTEM AFTER A FAILOVER TO A SECOND STORAGE SYSTEM MIRRORING THE FIRST STORAGE SYSTEM
    6.
    发明申请
    RESYNCHRONIZING TO A FIRST STORAGE SYSTEM AFTER A FAILOVER TO A SECOND STORAGE SYSTEM MIRRORING THE FIRST STORAGE SYSTEM 审中-公开
    在第一个存储系统故障转移到第一个存储系统之后重新建立第一个存储系统

    公开(公告)号：US20160328303A1

    公开(公告)日：2016-11-10

    申请号：US14704893

    申请日：2015-05-05

    申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION

    发明人： Michael Brandner ,  Michael Frankenberg ,  Alan G. McClure ,  David B. Petersen ,  Daniel Roman ,  Gail A. Spear ,  John G. Thompson

    IPC分类号： G06F11/16 ,  G06F11/20

    CPC分类号： G06F11/1662 ,  G06F11/2069 ,  G06F11/2071 ,  G06F11/2082 ,  G06F11/2094 ,  G06F2201/805

    摘要： Provided are a computer program product, system, and method for performing a failover between a first storage system and a second storage system. Data is synchronized between the first storage system and the second storage system. A failover is performed from the first storage system to the second storage system in response to a failover event at the first storage system while synchronizing the data. A determination is made that a first storage unit of the first storage system is inoperable and that that a second storage unit of the first storage system is operable in response to the failover event. In response to determining that the second storage unit is operable, a resynchronization is initiated to copy updates to a second storage unit of the second storage system mirroring the second storage unit of the first storage system to the second storage unit of the first storage system.

    摘要翻译： 提供了一种用于在第一存储系统和第二存储系统之间执行故障切换的计算机程序产品，系统和方法。 数据在第一存储系统和第二存储系统之间同步。 在同步数据的同时响应于第一存储系统的故障切换事件，从第一存储系统到第二存储系统执行故障转移。 确定第一存储系统的第一存储单元不可操作，并且第一存储系统的第二存储单元可响应于故障转移事件而可操作。 响应于确定第二存储单元可操作，启动重新同步以将更新复制到第一存储系统的第二存储单元的第二存储单元的第二存储单元，以将第一存储系统的第二存储单元复制到第一存储系统的第二存储单元。

    File system snapshot data management in a multi-tier storage environment
    7.
    发明授权
    File system snapshot data management in a multi-tier storage environment 有权
    多层存储环境中的文件系统快照数据管理

    公开(公告)号：US09323462B2

    公开(公告)日：2016-04-26

    申请号：US14248125

    申请日：2014-04-08

    申请人： International Business Machines Corporation

    发明人： John T. Olson ,  Sandeep R. Patil ,  Riyazahamad M. Shiraguppi ,  Gail A. Spear

    IPC分类号： G06F12/16 ,  G06F3/06 ,  G06F17/30

    CPC分类号： G06F17/30088 ,  G06F3/0619 ,  G06F3/064 ,  G06F3/065 ,  G06F3/067 ,  G06F3/0688 ,  G06F3/0689 ,  G06F17/30221

    摘要： In one embodiment, a system includes a processor and logic configured to receive a request to write data to a file block on a multi-tier file system where a first logical block is associated with the file block, and when the request is the first write request for the file block after creation of the snapshot of the file block: create a second logical block, determine a measure of access requests to be directed to a logical block allocated for the snapshot versus a logical block allocated for new data on the file block, the logical block allocated for the snapshot and the logical block allocated for new data on the file block being uniquely chosen from: the first and second logical block, and send the measure of access requests to the automatic tiering module when so determined. Other systems, methods, and computer program products are described in more embodiments.

    摘要翻译： 在一个实施例中，系统包括处理器和逻辑，其被配置为接收将数据写入到多层文件系统上的文件块的请求，其中第一逻辑块与文件块相关联，并且当请求是第一个写入时 在创建文件块的快照后请求文件块：创建第二个逻辑块，确定要被定向到为快照分配的逻辑块的访问请求的度量与分配给文件块上的新数据的逻辑块 分配给快照的逻辑块和分配给文件块上的新数据的逻辑块是从第一和第二逻辑块唯一地选择的，并且当这样确定时，向自动分层模块发送访问请求的度量。 在更多实施例中描述了其它系统，方法和计算机程序产品。

    COMMUNICATION OF CONDITIONS AT A PRIMARY STORAGE CONTROLLER TO A HOST
    8.
    发明申请
    COMMUNICATION OF CONDITIONS AT A PRIMARY STORAGE CONTROLLER TO A HOST 有权
    主要存储控制器上的条件通信到主机

    公开(公告)号：US20150278050A1

    公开(公告)日：2015-10-01

    申请号：US14723115

    申请日：2015-05-27

    申请人： International Business Machines Corporation

    发明人： David B. Petersen ,  Gail A. Spear

    IPC分类号： G06F11/20 ,  G06F3/06

    CPC分类号： G06F11/2092 ,  G06F3/0617 ,  G06F3/0659 ,  G06F3/0683 ,  G06F11/1451 ,  G06F11/1458 ,  G06F11/2069 ,  G06F11/2071 ,  G06F11/2076 ,  G06F2201/84

    摘要： A primary storage controller is maintained in a copy relationship with a secondary storage controller, wherein the primary and secondary storage controllers are coupled to a host that is configurable to use the secondary storage controller instead of the primary storage controller. The primary storage controller determines occurrence of at least one condition in the primary storage controller, wherein the at least one condition occurs prior to a failure of the host to perform an Input/Output (I/O) operation with respect to at least one storage volume of the primary storage controller. The primary storage controller communicates the occurrence of the at least one condition to the host, wherein in response to the communicating the host is configured to determine whether to use the secondary storage controller instead of the primary storage controller based on the occurrence of the at least one condition.

    摘要翻译： 主存储控制器与副存储控制器保持复制关系，其中主存储控制器和次存储控制器耦合到可配置为使用辅助存储控制器而不是主存储控制器的主机。 所述主存储控制器确定所述主存储控制器中的至少一个状况的发生，其中所述至少一个条件发生在主机故障之前相对于至少一个存储器执行输入/输出（I / O）操作 主存储控制器的容量。 主存储控制器将至少一个条件的发生与主机通信，其中响应于通信，主机被配置为基于至少一个 一个条件

    RESERVATION OF STORAGE SPACE FOR A THIN PROVISIONED VOLUME
    9.
    发明申请
    RESERVATION OF STORAGE SPACE FOR A THIN PROVISIONED VOLUME 审中-公开
    存储空间的预留为一个小的规定量

    公开(公告)号：US20150067281A1

    公开(公告)日：2015-03-05

    申请号：US14018877

    申请日：2013-09-05

    申请人： International Business Machines Corporation

    发明人： Carl E. Jones ,  Subhojit Roy ,  Gail A. Spear

    IPC分类号： G06F12/02

    CPC分类号： G06F12/0284

    摘要： For reserving storage space, a determination module determines if required storage space is available for a write in response to logical storage address for the write being unallocated. The logical storage address is a thin provisioned storage space. A reservation module reserves the required storage space for the write in response to determining that the required storage space is available. In addition, the reservation module may communicate an allocation success in response to determining the required storage space is available. The allocation success is communicated prior to allocating the required storage space. The reservation module may communicate a write failure in response to determining the required storage space is not available.

    摘要翻译： 为了保留存储空间，确定模块响应于未被分配的写入的逻辑存储地址来确定写入是否需要存储空间。 逻辑存储地址是精简配置的存储空间。 预留模块保留写入所需的存储空间，以响应确定所需的存储空间可用。 此外，预定模块可以响应于确定所需的存储空间可用而传送分配成功。 在分配所需的存储空间之前传送分配成功。 响应于确定所需的存储空间不可用，预约模块可以传送写入失败。