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。

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。

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.

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。

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。

公开(公告)号：US08583838B1

公开(公告)日：2013-11-12

申请号：US12924396

申请日：2010-09-27

申请人： Marik Marshak ,  Owen Martin ,  Alex Veprinsky ,  Amnon Naamad ,  Sean C. Dolan ,  Adnan Sahin

发明人： Marik Marshak ,  Owen Martin ,  Alex Veprinsky ,  Amnon Naamad ,  Sean C. Dolan ,  Adnan Sahin

IPC分类号： G06F3/00

CPC分类号： G06F3/0689 ,  G06F3/061 ,  G06F3/0619 ,  G06F3/0647 ,  G06F3/0649 ,  G06F3/0685

摘要： Described are techniques for tracking activity for one or more devices. Each of the one or more devices is partitioned into one or more extents. Each of the one or more extents includes a plurality of sub extents. Each of the sub extents includes a plurality of chunks. For each of said one or more extents of each of said one or more devices, extent activity level information is determined including one or more metrics indicating an activity level for said each extent; and For each of said one or more extents of each of said one or more devices, an activity bitmap is determined. The activity bitmap includes an entry for each sub extent included in said each extent, said entry indicating an activity level for said each sub extent.

摘要翻译： 描述了用于跟踪一个或多个设备的活动的技术。 一个或多个设备中的每一个被分割成一个或多个范围。 一个或多个区段中的每一个包括多个子范围。 每个子范围包括多个块。 对于所述一个或多个设备中的每一个的所述一个或多个区段中的每一个，确定范围活动级别信息，包括指示所述每个区段的活动水平的一个或多个度量; 并且对于所述一个或多个设备中的每一个的所述一个或多个区段中的每一个，确定活动位图。 活动位图包括包含在所述每个范围中的每个子范围的条目，所述条目表示所述每个子范围的活动级别。

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.

公开(公告)号：US09335948B1

公开(公告)日：2016-05-10

申请号：US13431071

申请日：2012-03-27

申请人： Ahmet Kirac ,  Adnan Sahin ,  Marik Marshak ,  Amnon Naamad

发明人： Ahmet Kirac ,  Adnan Sahin ,  Marik Marshak ,  Amnon Naamad

IPC分类号： G06F3/06

CPC分类号： G06F3/0649 ,  G06F3/061 ,  G06F3/0631 ,  G06F3/0665 ,  G06F3/0685

摘要： To facilitate both minimal allocations and adaptive allocations, two sets of storage group policies are defined—one policy setting minimal allocation values for storage group access to storage resources and one policy setting maximal allocation values for storage group access to storage. In addition, a set of priority weights is specified that is used to balance access to storage tiers across storage groups. Upon existence of contention for storage resources, minimum allocation values for storage groups are determined based on the priority weights for the storage groups, resulting in threshold values being set to enable at least partial access to storage resources for all storage groups without requiring priority weighting of the activity density distributions of the competing storage groups. Allocations other than the minimal allocations are provided based on relative activity density distribution of storage extents between groups.

摘要翻译： 为了方便最小分配和自适应分配，定义了两组存储组策略 - 一种策略设置用于存储组访问存储资源的最小分配值，以及一个策略设置用于存储组访问存储的最大分配值。 此外，还指定了一组优先级权重，用于平衡对存储组间存储层的访问。 在存储资源的争用存在时，基于存储组的优先级权重来确定存储组的最小分配值，导致阈值被设置为使得能够至少部分地访问所有存储组的存储资源，而不需要优先权重 竞争存储组的活动密度分布。 基于分组之间的存储范围的相对活动密度分布提供除最小分配之外的分配。

公开(公告)号：US08838931B1

公开(公告)日：2014-09-16

申请号：US13435415

申请日：2012-03-30

申请人： Marik Marshak ,  Amnon Naamad ,  Dan Aharoni ,  Sean Dolan ,  Ahmet Kirac

发明人： Marik Marshak ,  Amnon Naamad ,  Dan Aharoni ,  Sean Dolan ,  Ahmet Kirac

IPC分类号： G06F12/00

CPC分类号： G06F3/0685 ,  G06F3/0605 ,  G06F3/0649

摘要： Described are techniques for performing storage optimizations in a system. The optimizations may include a data movement optimization. First processing may be performed by a first component to determine whether to automatically perform the data movement optimization for devices included in one or more data storage systems. The first component may be external with respect to the data storage systems and may not be included in any of the data storage systems. As a result of performing the data movement optimization, a first portion of data is automatically moved from a first of the devices to a second of the devices. The first and second devices may have different performance classifications. Additionally, automated discovery processing may be performed to determine performance classifications for devices of the data storage systems and/or determine physical device dependencies.

摘要翻译： 描述了在系统中执行存储优化的技术。 优化可以包括数据移动优化。 可以由第一组件执行第一处理，以确定是否自动执行包括在一个或多个数据存储系统中的设备的数据移动优化。 第一组件可能相对于数据存储系统是外部的，并且可以不包括在任何数据存储系统中。 作为执行数据移动优化的结果，数据的第一部分被自动地从第一设备移动到第二设备。 第一和第二设备可以具有不同的性能分类。 此外，可以执行自动发现处理以确定数据存储系统的设备的性能分类和/或确定物理设备依赖性。

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。