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    Adjusting Location of Tiered Storage Residence Based on Usage Patterns
    33.
    发明申请
    Adjusting Location of Tiered Storage Residence Based on Usage Patterns 有权
    基于使用模式调整分层存储公寓的位置

    公开(公告)号：US20110010514A1

    公开(公告)日：2011-01-13

    申请号：US12498424

    申请日：2009-07-07

    申请人： Michael T. Benhase ,  Andrew D. Walls

    发明人： Michael T. Benhase ,  Andrew D. Walls

    IPC分类号： G06F12/00 ,  G06F12/02 ,  G06F12/16

    CPC分类号： G06F11/3485 ,  G06F3/061 ,  G06F3/0649 ,  G06F3/0688 ,  G06F2201/88

    摘要： Mechanisms for managing data segments in a tiered storage system are provided. The mechanisms maintain at least one counter for each data segment in the tiered storage system. Each counter in the at least one counter counts a number of access operations to a corresponding data segment for a predetermined time interval. The mechanisms further perform one or more analytical operations based on one or more values of the at least one counter for each data segment to make residence determinations for each data segment. The mechanisms also adjust a storage location of one or more data segments in tiers of the tiered storage system to thereby move the one or more data segments to appropriate tiers of the tiered storage system based on results of the one or more analytical operations.

    摘要翻译： 提供了在分层存储系统中管理数据段的机制。 这些机制为分层存储系统中的每个数据段维护至少一个计数器。 所述至少一个计数器中的每个计数器对预定时间间隔对相应的数据段进行多次访问操作。 所述机构还基于每个数据段的所述至少一个计数器的一个或多个值进行一个或多个分析操作，以对每个数据段进行居住确定。 这些机制还调整分层存储系统的层中的一个或多个数据段的存储位置，从而基于一个或多个分析操作的结果将一个或多个数据段移动到分层存储系统的适当层。

    Data coherence system
    34.
    发明授权
    Data coherence system 失效
    数据一致性系统

    公开(公告)号：US07386676B2

    公开(公告)日：2008-06-10

    申请号：US11040463

    申请日：2005-01-21

    申请人： Said A. Ahmad ,  Michael T. Benhase ,  William D. Williams

    发明人： Said A. Ahmad ,  Michael T. Benhase ,  William D. Williams

    IPC分类号： G06F12/00 ,  G06F13/00 ,  G06F13/28 ,  G06F15/177 ,  G06F17/30

    CPC分类号： G06F12/0808 ,  Y10S707/99952 ,  Y10S707/99953

    摘要： A data coherence system includes a generation number written to a data track of a logical sub-system. The generation number is compared to a corresponding generation number in a processing device when it is initialized. If the two generations numbers are the same, the generation numbers are incremented and saved. If not, cache associated with the logical sub-system residing within the processing device is erased and the generation numbers are reset.

    摘要翻译： 数据一致性系统包括写入逻辑子系统的数据轨道的生成号码。 当初始化时，将代数与处理装置中的相应代号进行比较。 如果两代人数相同，那么代数就会增加并保存。 如果不是，则与处理设备内的逻辑子系统相关联的缓存被擦除并且生成号被重置。

    Increased destaging efficiency by smoothing destaging between current and desired number of destage tasks
    37.
    发明授权
    Increased destaging efficiency by smoothing destaging between current and desired number of destage tasks 有权
    通过平滑目前和所需数量的目的任务之间的破坏来提高降落效率

    公开(公告)号：US09442847B2

    公开(公告)日：2016-09-13

    申请号：US13363092

    申请日：2012-01-31

    申请人： Michael T. Benhase ,  Lokesh M. Gupta ,  Roger G. Hathorn ,  Sonny E. Williams

    发明人： Michael T. Benhase ,  Lokesh M. Gupta ,  Roger G. Hathorn ,  Sonny E. Williams

    IPC分类号： G06F9/46 ,  G06F9/455 ,  G06F12/08 ,  G06F12/12

    CPC分类号： G06F12/0804 ,  G06F12/0868 ,  G06F12/121 ,  G06F2212/1024 ,  G06F2212/281 ,  G06F2212/312 ,  G06F2212/462

    摘要： Techniques for increased destaging efficiency by smoothing destaging tasks to reduce long input/output (I/O) read operations are described. A system may comprise a processor device operable in the computing storage environment. The processor device calculates a current number of the destaging tasks and calculates a desired number of the destaging tasks. The processor device smoothes the destaging of the of the destaging tasks between the desired number of the destaging tasks and the current number of the destaging tasks by accelerating the calculating of the current number of the destaging tasks and the desired number of the destaging tasks, according to either a time interval or a variable recomputed destaging task interval, for reaching the desired number of the destaging tasks by decrementing the current number of destaging tasks or incrementing the current number of destaging tasks.

    摘要翻译： 描述了通过平滑降级任务以减少长输入/输出（I / O）读取操作来提高降级效率的技术。 系统可以包括可在计算存储环境中操作的处理器设备。 处理器设备计算当前的目标数量并计算所需的数目的降级任务。 处理器设备通过加速计算当前数量的降级任务和期望数量的降级任务来平滑所需数目的目标任务数目与当前数量的目标任务之间的目标任务的分级，根据 到时间间隔或变量重新计算的降级任务间隔，以通过减少当前数量的降级任务或增加当前数量的降级任务来达到期望数量的降级任务。

    Apparatus and method for sharing resources between storage devices
    38.
    发明授权
    Apparatus and method for sharing resources between storage devices 有权
    用于在存储设备之间共享资源的装置和方法

    公开(公告)号：US09201598B2

    公开(公告)日：2015-12-01

    申请号：US13620061

    申请日：2012-09-14

    申请人： Michael T. Benhase ,  Matthew J. Kalos ,  Karl A. Nielsen

    发明人： Michael T. Benhase ,  Matthew J. Kalos ,  Karl A. Nielsen

    IPC分类号： G06F3/06 ,  G06F9/50 ,  G06F13/20

    CPC分类号： G06F3/0611 ,  G06F3/0631 ,  G06F3/0685 ,  G06F9/5011 ,  G06F13/20 ,  G06F2213/0024

    摘要： A method for allocating resources of a storage system including at least a first and second group of storage devices. The method identifies a first set of resources to be reserved for use by the first group of storage devices, identifies a second set of resources to be reserved for use by the second group of storage devices, and identifies a third set of resources The method then allocates resources from the third set of resources to the first group of storage devices or the second group of storage device according to an allocation algorithm, and restricts use of the first set of resources to the first group of devices and use of the second set of resources to the second group of devices.

    摘要翻译： 一种用于分配包括至少第一组和第二组存储装置的存储系统的资源的方法。 该方法识别待保留以供第一组存储设备使用的第一组资源，标识要被保留供第二组存储设备使用的第二组资源，并且识别第三组资源。然后，该方法 根据分配算法将资源从第三组资源分配给第一组存储设备或第二组存储设备，并且将第一组资源的使用限制到第一组设备并且使用第二组 资源到第二组设备。

    Assigning device adaptors and background tasks to use to copy source extents to target extents in a copy relationship
    39.
    发明授权
    Assigning device adaptors and background tasks to use to copy source extents to target extents in a copy relationship 有权
    分配设备适配器和后台任务以用于将源区域复制到复制关系中的目标区域

    公开(公告)号：US08972676B2

    公开(公告)日：2015-03-03

    申请号：US13016834

    申请日：2011-01-28

    申请人： Michael T. Benhase ,  Theresa M. Brown ,  Lokesh M. Gupta ,  Carol S. Mellgren

    发明人： Michael T. Benhase ,  Theresa M. Brown ,  Lokesh M. Gupta ,  Carol S. Mellgren

    IPC分类号： G06F12/00 ,  G06F3/06 ,  G06F11/14

    CPC分类号： G06F3/065 ,  G06F3/0617 ,  G06F3/0619 ,  G06F3/0631 ,  G06F3/0665 ,  G06F3/067 ,  G06F3/0689 ,  G06F11/1448 ,  G06F11/1456 ,  G06F11/1466

    摘要： Provided are a computer program product, system, and method for assigning device adaptors and background tasks to use to copy source extents to target extents in a copy relationship. A relation is provided of a plurality of source extents in source ranks to copy to a plurality of target extents in target ranks in the storage system. One target rank in the relation is used to determine an order in which the target ranks in the relation are selected to register for copying. For each selected target rank in the relation selected according to the determined order, an iteration of a registration operation is performed to register the selected target rank and a selected source rank copied to the selected target rank in the relation. The registration operation comprises indicating in a device adaptor assignment data structure a source device adaptor and target device adaptor to use to copy the selected rank to the selected target rank and adding an entry to a priority queue for the relation for the selected target rank. The selected source rank is copied to the selected target rank using as the source and target device adaptors indicated in the device adaptor assignment data structure for the selected target rank in response to processing the entry in the priority queue added to the priority queue for the selected target rank.

    摘要翻译： 提供了一种用于分配设备适配器和后台任务的计算机程序产品，系统和方法，用于将源区段复制到复制关系中的目标区域。 在源级别中提供多个源盘区的关系，以复制到存储系统中的目标队列中的多个目标盘区。 该关系中的一个目标等级用于确定选择该关系中的目标队列进行注册以进行复制的顺序。 对于根据确定的顺序选择的关系中的每个所选择的目标等级，执行注册操作的迭代以将所选择的目标等级和所选择的源等级复制到所述关系中的所选择的目标等级。 注册操作包括在设备适配器中指示数据结构指定源设备适配器和目标设备适配器以用于将所选择的等级复制到所选择的目标等级，并且将用于所选目标等级的关系的条目添加到优先级队列中。 响应于处理加入到所选择的优先级队列的优先级队列中的条目，使用作为所选择的目标等级的设备适配器分配数据结构中指示的源和目标设备适配器将所选择的源等级复制到所选择的目标等级， 目标等级。

    Periodic destages from inside and outside diameters of disks to improve read response time via traversal of a spatial ordering of tracks
    40.
    发明授权
    Periodic destages from inside and outside diameters of disks to improve read response time via traversal of a spatial ordering of tracks 有权
    通过圆盘的内部和外部直径定期运行，以通过遍历轨道的空间排序来提高读取响应时间

    公开(公告)号：US08838905B2

    公开(公告)日：2014-09-16

    申请号：US13299054

    申请日：2011-11-17

    申请人： Michael T. Benhase ,  Lokesh M. Gupta ,  Christopher J. Strauss ,  Will A. Wright

    发明人： Michael T. Benhase ,  Lokesh M. Gupta ,  Christopher J. Strauss ,  Will A. Wright

    IPC分类号： G06F12/00

    CPC分类号： G11B21/025 ,  G06F12/126

    摘要： A storage controller that includes a cache, receives a command from a host, wherein a set of criteria corresponding to read response times for executing the command have to be satisfied. A destage application that destages tracks based at least on recency of usage and spatial location of the tracks is executed, wherein a spatial ordering of the tracks is maintained in a data structure, and the destage application traverses the spatial ordering of the tracks. Tracks are destaged from at least inside or outside diameters of disks at periodic intervals, while traversing the spatial ordering of the tracks, wherein the set of criteria corresponding to the read response times for executing the command are satisfied.

    摘要翻译： 一种包括缓存的存储控制器，从主机接收命令，其中必须满足与用于执行命令的读取响应时间相对应的一组标准。 执行至少基于轨道的使用和空间位置的重新排列来追踪轨道的转移应用，其中，轨道的空间排序被保持在数据结构中，并且目的地应用遍历轨道的空间排序。 在穿过轨道的空间排序的同时，以周期性间隔从至少内部或外部直径的磁道中移动轨迹，其中满足与用于执行该命令的读取响应时间对应的一组标准。