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1. 发明授权

US08935493B1 Performing data storage optimizations across multiple data storage systems 有权
标题翻译：在多个数据存储系统之间执行数据存储优化
公开(公告)号：US08935493B1
公开(公告)日：2015-01-13
申请号：US13466775
申请日：2012-05-08
申请人： Sean C. Dolan , Amnon Naamad , Marik Marshak , Alexandr Veprinsky , Adnan Sahin , Hui Wang , Xiaomei Liu , Dan Aharoni , Ahmet Kirac , Owen Martin
发明人： Sean C. Dolan , Amnon Naamad , Marik Marshak , Alexandr Veprinsky , Adnan Sahin , Hui Wang , Xiaomei Liu , Dan Aharoni , Ahmet Kirac , Owen Martin
IPC分类号： G06F12/02 , G06F3/06
CPC分类号： G06F3/0649 , G06F3/0605 , G06F3/0608 , G06F3/0611 , G06F3/0631 , G06F3/064 , G06F3/0653 , G06F3/0665 , G06F3/067 , G06F3/068
摘要： Described are techniques for performing data storage optimizations. A data storage optimizer on a first data storage system connected to a set of other data storage systems receives performance classification information. The first data storage system includes a first set of storage devices of a first performance classification. The set of other data storage systems includes a second set of storage devices of a second performance classification different from the first performance classification. A write operation is received from the host to write first data to a target address of a virtually provisioned device. It is determined that physical storage is not currently allocated for the target address of the virtually provisioned device. A first portion of physical storage is allocated for storing the first data. The first portion of physical storage is included in a storage device of the second set having the second performance classification.
摘要翻译：描述了用于执行数据存储优化的技术。连接到一组其他数据存储系统的第一数据存储系统上的数据存储优化器接收性能分类信息。第一数据存储系统包括第一性能分类的第一组存储装置。该组其他数据存储系统包括与第一性能分类不同的第二性能分类的第二组存储设备。从主机接收写入操作，以将第一数据写入虚拟设备的目标地址。确定物理存储当前未被分配给虚拟配置设备的目标地址。分配物理存储的第一部分用于存储第一数据。物理存储的第一部分包括在具有第二性能分类的第二组的存储设备中。

2. 发明授权

US09965381B1 Indentifying data for placement in a storage system 有权
公开(公告)号：US09965381B1
公开(公告)日：2018-05-08
申请号：US13135261
申请日：2011-06-30
申请人： Adnan Sahin , Alexandr Veprinsky , Marik Marshak , Hui Wang , Xiaomei Liu , Owen Martin , Sean C. Dolan
发明人： Adnan Sahin , Alexandr Veprinsky , Marik Marshak , Hui Wang , Xiaomei Liu , Owen Martin , Sean C. Dolan
IPC分类号： G06F12/00 , G06F13/00 , G06F13/28 , G06F12/02 , G06F3/06
CPC分类号： G06F12/023 , G06F3/0605 , G06F3/0647 , G06F3/0683 , G06F3/0685
摘要： Identifying data for placement in a storage system having a plurality of storage classes includes subdividing the data into portions, for each of the portions, independently determining at least one score for a particular portion based on a metric corresponding to access of the particular portion, where the at least one score for the particular portion is independent of scores for other ones of the portions, and identifying sub-portions of data for placement in a particular storage class based on the at least one score of a portion of data corresponding to the sub-portions. The at least one score may be based on short term access statistics and long term access statistics. The access statistics may include read misses, writes, and prefetches.

3. 发明授权

US09898224B1 Automatic adjustment of capacity usage by data storage optimizer for data migration 有权
公开(公告)号：US09898224B1
公开(公告)日：2018-02-20
申请号：US13611868
申请日：2012-09-12
申请人： Marik Marshak , Hui Wang , Xiaomei Liu , Sean C. Dolan , Alexandr Veprinsky
发明人： Marik Marshak , Hui Wang , Xiaomei Liu , Sean C. Dolan , Alexandr Veprinsky
IPC分类号： G06F12/00 , G06F3/06
CPC分类号： G06F3/0647 , G06F3/0604 , G06F3/0653 , G06F3/0676 , G06F3/0685
摘要： When migrating data, a first message is received at a target data storage system from a source data storage system. The target data storage system includes a data storage optimizer that performs automated data movement optimizations. The first message requests a reservation of a first amount of storage on a first storage tier for performing a data migration to migrate data from the source to the target data storage system. A first capacity limit of the first storage tier is reduced by the first amount thereby representing the reservation of the first amount of storage for performing the data migration. If the first storage tier does not include an amount of available storage of at least the first amount, processing is performed to increase the amount of available storage of the first storage tier.

4. 发明授权

US09323655B1 Location of data among storage tiers 有权
标题翻译：存储层之间的数据位置
公开(公告)号：US09323655B1
公开(公告)日：2016-04-26
申请号：US13135265
申请日：2011-06-30
申请人： Adnan Sahin , Alexandr Veprinsky , Marik Marshak , Hui Wang , Xiaomei Liu , Owen Martin , Sean C. Dolan
发明人： Adnan Sahin , Alexandr Veprinsky , Marik Marshak , Hui Wang , Xiaomei Liu , Owen Martin , Sean C. Dolan
IPC分类号： G06F12/00 , G06F13/00 , G06F13/28 , G06F12/02 , G06F3/06
CPC分类号： G06F12/023 , G06F3/061 , G06F3/0617 , G06F3/0649 , G06F3/0665 , G06F3/0683 , G06F3/0685
摘要： Managing data in a storage system having a plurality of classes of storage includes determining an amount of data to be provided on at least one of the classes of storage according to a policy, dynamically setting a threshold according to the amount of data to be provided on the at least one of the classes or an expected performance based on the threshold, and placing data on particular classes of storage based on the threshold. Dynamically setting a threshold may include sorting data portions according to at least one score thereof and may include determining a particular score corresponding to the amount of data to be provided. The data portions may be provided in a histogram having a horizontal scale corresponding to a score value and a vertical scale corresponding to a number of data portions having a particular value.
摘要翻译：在具有多个存储类别的存储系统中管理数据包括根据策略确定要在至少一个存储类别中提供的数据量，根据要提供的数据量动态地设置阈值所述类别中的所述至少一个或基于所述阈值的期望性能，以及基于所述阈值将数据放置在特定类别的存储上。动态地设置阈值可以包括根据其至少一个分数排序数据部分，并且可以包括确定与要提供的数据量相对应的特定分数。数据部分可以被提供在具有对应于得分值的水平标尺的直方图和对应于具有特定值的数据部分的数量的垂直标度。

5. 发明授权

US08688878B1 Data storage system modeling 有权
标题翻译：数据存储系统建模
公开(公告)号：US08688878B1
公开(公告)日：2014-04-01
申请号：US13538245
申请日：2012-06-29
申请人： Sean C. Dolan , Hui Wang , Marik Marshak , Xiaomei Liu , Owen Martin , Alexandr Veprinsky , Ahmet Kirac
发明人： Sean C. Dolan , Hui Wang , Marik Marshak , Xiaomei Liu , Owen Martin , Alexandr Veprinsky , Ahmet Kirac
IPC分类号： G06F7/00
CPC分类号： G06F3/0685 , G06F3/061 , G06F3/0649 , G06F3/0653
摘要： Described is data storage system modeling. Received at a first data storage system is information representing a workload for I/O operations directed to a logical devices having storage provisioned on physical devices of a second data storage system. Information representing the workload may be obtained by performing discovery processing to discover performance characteristics of the physical devices of the second data storage system. Discovery processing may include receiving, at the first data storage system, I/O operations from a client directed to the set of one or more logical devices having storage provisioned on the physical devices of the second data storage system. The I/O operations are then issued to the second data storage system. In response, performance data is obtained at the first data storage system representing the workload for the plurality of I/O operations. Performance of the second data storage system is modeled in accordance with the workload.
摘要翻译：描述的是数据存储系统建模。在第一数据存储系统中接收的是表示针对具有存储在第二数据存储系统的物理设备上的存储器的逻辑设备的I / O操作的工作负载的信息。可以通过执行发现处理来发现第二数据存储系统的物理设备的性能特征来获得表示工作负载的信息。发现处理可以包括在第一数据存储系统处从客户端接收指向在第二数据存储系统的物理设备上具有存储的一个或多个逻辑设备的集合的I / O操作。然后将I / O操作发给第二数据存储系统。作为响应，在表示多个I / O操作的工作负荷的第一数据存储系统处获得性能数据。根据工作量对第二个数据存储系统的性能进行建模。

6. 发明授权

US09037548B1 Dynamically updated data management processing plans generated outside a storage array 有权
标题翻译：在存储阵列外部生成动态更新的数据管理处理计划
公开(公告)号：US09037548B1
公开(公告)日：2015-05-19
申请号：US13173056
申请日：2011-06-30
申请人： Sean Christopher Dolan , Marik Marshak , Alexandr Veprinsky , Owen Martin , Xiaomei Liu , Hui Wang
发明人： Sean Christopher Dolan , Marik Marshak , Alexandr Veprinsky , Owen Martin , Xiaomei Liu , Hui Wang
IPC分类号： G06F7/00 , G06F3/06 , G06F9/455
CPC分类号： G06F3/0689 , G06F3/061 , G06F3/0647 , G06F3/0685 , G06F8/41 , G06F9/45558 , G06F2009/45579
摘要： A networked data storage system includes data movement logic and a virtual machine for executing a data management processing plan which is generated by a facility outside the storage array based on statistical information associated with extent level activity metrics provided by the storage array. Dynamically updated and automatically generated data management processing plans are provided to the storage array in the form of units of compiled byte code which the storage array is able to verify and execute using a virtual machine. The virtual machine interfaces with the environment in which it is embedded in a carefully constrained manner, thereby preventing clearly undesirable operations.
摘要翻译：网络数据存储系统包括数据移动逻辑和用于执行数据管理处理计划的虚拟机，所述数据管理处理计划是根据与由存储阵列提供的扩展级别活动度量相关联的统计信息而由存储阵列外的设施生成的。动态更新和自动生成的数据管理处理计划以存储阵列能够使用虚拟机进行验证和执行的编译字节码单元的形式提供给存储阵列。虚拟机以仔细约束的方式与其嵌入的环境进行接口，从而防止明显不期望的操作。

7. 发明授权

US09052830B1 Techniques for automated evaluation and movement of data between storage tiers for thin devices 有权
标题翻译：用于在薄型设备的存储层之间自动评估和移动数据的技术
公开(公告)号：US09052830B1
公开(公告)日：2015-06-09
申请号：US13135306
申请日：2011-06-30
申请人： Marik Marshak , Adnan Sahin , Xiaomei Liu , Hui Wang , Sean C. Dolan , Amnon Naamad
发明人： Marik Marshak , Adnan Sahin , Xiaomei Liu , Hui Wang , Sean C. Dolan , Amnon Naamad
IPC分类号： G06F12/00 , G06F13/00 , G06F13/28 , G06F3/06
CPC分类号： G06F3/061 , G06F3/0608 , G06F3/0611 , G06F3/064 , G06F3/0647 , G06F3/0665 , G06F3/067 , G06F3/0685 , G06F3/0689
摘要： Described are techniques for evaluating data movement alternative. A set of criteria including capacity and performance limits is received. First processing is performed to evaluate a plurality of alternatives for use in data movement with respect to a set of logical devices having data stored on a set of physical storage devices. Each of the plurality of alternatives includes a different set of data movement criteria comprising capacity limits and a different set of performance limits. The set of physical storage devices includes at least a first physical device of one of a plurality of storage tiers and a second physical device of another one of the plurality of storage tier. One of the sets of performance limits is selected in accordance with the first processing.
摘要翻译：描述了评估数据移动替代方法的技术。收到一套标准，包括容量和性能限制。执行第一处理以针对具有存储在一组物理存储设备上的数据的一组逻辑设备来评估用于数据移动的多个替代方案。多个替代方案中的每一个包括不同的数据移动标准集合，其包括容量限制和不同的性能限制集合。所述一组物理存储设备至少包括多个存储层中的一个的第一物理设备和所述多个存储层中的另一个存储层的第二物理设备。根据第一处理选择性能极限集合中的一个。

8. 发明授权

US09354813B1 Data storage system modeling 有权
标题翻译：数据存储系统建模
公开(公告)号：US09354813B1
公开(公告)日：2016-05-31
申请号：US13729680
申请日：2012-12-28
申请人： Sean C. Dolan , Sachin More , Hui Wang , Xiaomei Liu , Marik Marshak
发明人： Sean C. Dolan , Sachin More , Hui Wang , Xiaomei Liu , Marik Marshak
IPC分类号： G06F3/06 , G06F17/50 , G06F11/34
CPC分类号： G06F3/061 , G06F3/0631 , G06F3/0647 , G06F3/0653 , G06F3/0655 , G06F3/0685 , G06F11/3419 , G06F11/3466 , G06F11/3485 , G06F17/5009
摘要： Described are modeling techniques. In accordance with one or more criteria, a determination may be made as to whether to use a dynamic model or a static model to model performance of components, such as storage devices, of a data storage system. A system may include first and second data storage systems where the first data storage system includes a computer readable medium with first code that performs processing in connection with data storage movement optimizations using one or more models including a dynamic model, and second code that generates and maintains the dynamic model used to model performance of storage devices. The second code may include code for performing first processing to determine device sets each of which does not share back-end resources of the second data storage system with any other device sets, and performing second processing to determine sets of performance curves corresponding to the device sets.
摘要翻译：描述的是建模技术。根据一个或多个标准，可以确定是否使用动态模型或静态模型来建模数据存储系统的组件（诸如存储设备）的性能。系统可以包括第一和第二数据存储系统，其中第一数据存储系统包括具有第一代码的计算机可读介质，第一代码使用包括动态模型的一个或多个模型与数据存储移动优化相结合执行处理，第二代码生成和维护用于建模存储设备性能的动态模型。第二代码可以包括用于执行第一处理以确定每个不与任何其他设备组共享第二数据存储系统的后端资源的设备组的代码，并且执行第二处理以确定与该设备相对应的性能曲线集合套。

9. 发明授权

US08972694B1 Dynamic storage allocation with virtually provisioned devices 有权
标题翻译：动态存储分配与虚拟设备
公开(公告)号：US08972694B1
公开(公告)日：2015-03-03
申请号：US13429622
申请日：2012-03-26
申请人： Sean Dolan , Alex Veprinsky , Owen Martin , Marik Marshak , Hui Wang , Xiaomei Liu
发明人： Sean Dolan , Alex Veprinsky , Owen Martin , Marik Marshak , Hui Wang , Xiaomei Liu
IPC分类号： G06F12/00 , G06F13/00 , G06F13/28
CPC分类号： G06F13/28 , G06F3/0608 , G06F3/0665 , G06F3/0685 , G06F12/0646
摘要： A write operation writes first data to a target logical address range included in a first logical address range of a virtually provisioned device. It is determined that physical storage is not allocated for the target logical address range. First processing is performed to allocate a first portion of physical storage having a first corresponding logical address subrange that includes the target logical address range. The first portion is allocated from a physical device included in a first storage tier. The first processing includes selecting the first storage tier from multiple storage tiers in accordance with selection criteria including metrics characterizing an expected workload or level of activity for the first corresponding logical address subrange of the virtually provisioned device. Mapping information is updated to indicate that the first corresponding logical address subrange of the virtually provisioned device maps to the first portion of physical storage.
摘要翻译：写入操作将第一数据写入包含在虚拟设备的第一逻辑地址范围内的目标逻辑地址范围。确定没有为目标逻辑地址范围分配物理存储。执行第一处理以分配具有包括目标逻辑地址范围的第一对应逻辑地址子范围的物理存储器的第一部分。第一部分从包括在第一存储层中的物理设备分配。第一处理包括根据选择标准来选择来自多个存储层的第一存储层，所述选择标准包括表征虚拟提供设备的第一对应逻辑地址子范围的预期工作负载或活动级别的度量。更新映射信息以指示虚拟供应设备的第一对应逻辑地址子范围映射到物理存储的第一部分。

10. 发明授权

US08868798B1 Techniques for modeling disk performance 有权
标题翻译：磁盘性能建模技巧
公开(公告)号：US08868798B1
公开(公告)日：2014-10-21
申请号：US12924361
申请日：2010-09-24
申请人： Marik Marshak , Adnan Sahin , Hui Wang , Xiaomei Liu , Sachin S. More
发明人： Marik Marshak , Adnan Sahin , Hui Wang , Xiaomei Liu , Sachin S. More
IPC分类号： G06F3/00
CPC分类号： G06F3/061 , G06F3/0649 , G06F3/0665 , G06F3/0685 , G06F3/0689
摘要： Described are techniques for determining whether to move data between devices. A first cost metric is determined for a first device and a second device. At least one portion of data is selected for movement from one of the first device and the second device to another of the first device and the second device. A second cost metric is determined for the first device and the second device based on moving said at least one portion of data between said first device and said second device. It is determined using the first cost metric and the second cost metric whether to move the at least one portion of data.
摘要翻译：描述了用于确定是否在设备之间移动数据的技术。确定第一设备和第二设备的第一成本度量。选择数据的至少一部分用于从第一设备和第二设备之一移动到第一设备和第二设备中的另一个。基于在所述第一设备和所述第二设备之间移动所述至少一部分数据，为所述第一设备和所述第二设备确定第二成本度量。使用第一成本度量和第二成本度量确定是否移动数据的至少一部分。

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