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1. 发明授权

US08566553B1 Techniques for automated evaluation and movement of data between storage tiers 有权
公开(公告)号：US08566553B1
公开(公告)日：2013-10-22
申请号：US12803571
申请日：2010-06-30
申请人： Marik Marshak , Xiaomei Liu , Hui Wang , Sachin More , Adnan Sahin
发明人： Marik Marshak , Xiaomei Liu , Hui Wang , Sachin More , Adnan Sahin
IPC分类号： G06F12/00 , G06F13/00 , G06F13/28
CPC分类号： G06F3/0689 , G06F3/061 , G06F3/0619 , G06F3/0649 , G06F3/0665 , G06F3/0685 , G06F12/0868 , G06F2212/1016 , G06F2212/281 , G06F2212/313
摘要： Described are techniques for configuring data storage. A plurality of devices is selected. It is determined, for each of the plurality of devices, whether data for said each device should be located in a first storage tier or another storage tier. The first storage tier is higher performance storage tier than the other storage tier. For each of the plurality of devices that the determining step determines should be located in the first storage tier, data of said each device is automatically located on a physical storage device of the first storage tier.

2. 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。

3. 发明授权

US09158466B1 Power-saving mechanisms for a dynamic mirror service policy 有权
标题翻译：动态镜像服务策略的省电机制
公开(公告)号：US09158466B1
公开(公告)日：2015-10-13
申请号：US11770837
申请日：2007-06-29
申请人： Adnan Sahin , Sachin More , Preston Crow , Ron Arnan
发明人： Adnan Sahin , Sachin More , Preston Crow , Ron Arnan
IPC分类号： G06F3/06
CPC分类号： G06F3/0625 , G06F3/0631 , G06F3/0634 , G06F3/0644 , G06F3/0656 , G06F3/0659 , G06F3/0689 , G06F12/0238 , G06F12/0866 , G06F2212/1028 , G06F2212/21 , G06F2212/2532 , G06F2212/262 , G06F2212/281 , G06F2212/70 , Y02D10/154
摘要： Described is storage system and method for reducing power consumption. The storage system has first and second physical disks configured to provide mirroring. The first physical disk is placed into a power-saving mode of operation, while the second physical disk is in an active mode of operation responding to read and write requests. The first physical disk transitions from the power-saving mode of operation to an active mode of operation for destaging writes pending from cache to the first physical disk, while the second physical disk responds to read and write requests. The second physical disk transitions from the active mode of operation to the power-saving mode of operation, while the first physical disk responds to read and write requests.
摘要翻译：描述了用于降低功耗的存储系统和方法。存储系统具有配置为提供镜像的第一和第二物理磁盘。第一个物理磁盘被放置在省电的操作模式中，而第二个物理磁盘处于响应于读取和写入请求的主动操作模式。第一个物理磁盘从节电模式转换到主动运行模式，用于将从缓存挂起的写入降级到第一个物理磁盘，而第二个物理磁盘响应读取和写入请求。第二个物理磁盘从主动操作模式转换到省电操作模式，而第一个物理磁盘响应读写请求。

4. 发明授权

US07213113B2 System and method for preparation of workload data for replaying in a data storage environment 有权
标题翻译：用于准备在数据存储环境中重放的工作负载数据的系统和方法
公开(公告)号：US07213113B2
公开(公告)日：2007-05-01
申请号：US10858534
申请日：2004-06-01
申请人： Adnan Sahin , Sachin More , Paul F. Hale
发明人： Adnan Sahin , Sachin More , Paul F. Hale
IPC分类号： G06F11/34
CPC分类号： G06F11/3684 , G06F11/3466 , G06F11/3636
摘要： This invention is a system and method for preparing workload data that may be accessed in a data storage environment and then replayed for testing or other reasons. The invention has the capability to prepare a trace of I/Os to a data storage system for an extended period of time for replaying these I/Os back to that or another system. Variables may also be manipulated through a preparation process and is particularly useful for customizing benchmarking tests, or consolidation, or trouble-shooting, or capacity planning.
摘要翻译：本发明是一种用于准备工作负载数据的系统和方法，所述工作负载数据可以在数据存储环境中被访问，然后由于测试或其他原因被重放。本发明能够为数据存储系统准备一段长时间的I / O，以便将这些I / O重播回该系统或另一个系统。变量也可以通过准备过程进行操作，特别适用于定制基准测试，合并，故障排除或容量规划。

5. 发明授权

US06769054B1 System and method for preparation of workload data for replaying in a data storage environment 有权
标题翻译：用于准备在数据存储环境中重放的工作负载数据的系统和方法
公开(公告)号：US06769054B1
公开(公告)日：2004-07-27
申请号：US10335643
申请日：2002-12-31
申请人： Adnan Sahin , Sachin More , Paul F. Hale
发明人： Adnan Sahin , Sachin More , Paul F. Hale
IPC分类号： G06F1134
CPC分类号： G06F11/3684 , G06F11/3466 , G06F11/3636
摘要： This invention is a system and method for preparing workload data that may be accessed in a data storage environment and then replayed for testing or other reasons. The invention has the capability to prepare a trace of I/Os to a data storage system for an extended period of time for replaying these I/Os back to that or another system. Variables may also be manipulated through a preparation process and is particularly useful for customizing benchmarking tests, or consolidation, or trouble-shooting, or capacity planning.
摘要翻译：本发明是一种用于准备工作负载数据的系统和方法，所述工作负载数据可以在数据存储环境中被访问，然后由于测试或其他原因被重放。本发明能够为数据存储系统准备一段长时间的I / O，以便将这些I / O重播回该系统或另一个系统。变量也可以通过准备过程进行操作，特别适用于定制基准测试，合并，故障排除或容量规划。

6. 发明授权

US08060759B1 System and method of managing and optimizing power consumption in a storage system 有权
标题翻译：管理和优化存储系统功耗的系统和方法
公开(公告)号：US08060759B1
公开(公告)日：2011-11-15
申请号：US11770824
申请日：2007-06-29
申请人： Ron Arnan , Thomas E. Linnell , Sachin More , Adi Ofer , Gilad Sade , Adnan Sahin , Preston Crow
发明人： Ron Arnan , Thomas E. Linnell , Sachin More , Adi Ofer , Gilad Sade , Adnan Sahin , Preston Crow
IPC分类号： G06F1/26 , G06F1/32
CPC分类号： G06F1/3203 , G06F1/3268 , G06F3/0625 , G06F3/0631 , G06F3/0634 , G06F3/0689 , Y02D10/154
摘要： Described is a storage system and method for managing and optimizing power consumption in a storage system. Logical devices are mapped to physical disk drives. A plurality of power profiles is defined. Each power profile is associated with a mode of operation for a physical disk drive. One of the power profiles is assigned to each logical device. One of the physical disk drives is identified for which every logical device mapped to that physical disk drive has been assigned the same power profile. The identified physical disk drive is operated in the mode of operation associated with said same power profile. The mapping of the logical devices to the physical disk drives may be changed in order to group logical devices assigned the same power profile onto the same physical disk drive.
摘要翻译：描述了一种用于管理和优化存储系统中的功耗的存储系统和方法。逻辑设备映射到物理磁盘驱动器。定义了多个功率曲线。每个电源配置文件与物理磁盘驱动器的操作模式相关联。其中一个功率配置文件被分配给每个逻辑设备。其中一个物理磁盘驱动器被识别为映射到该物理磁盘驱动器的每个逻辑设备已被分配相同的电源配置文件。所识别的物理磁盘驱动器在与所述相同功率配置文件相关联的操作模式下操作。可以更改逻辑设备到物理磁盘驱动器的映射，以将分配有相同功率配置文件的逻辑设备分组到同一物理磁盘驱动器上。

7. 发明授权

US07882373B1 System and method of reducing power consumption in a storage system through shortening of seek distances 有权
标题翻译：通过缩短搜索距离来减少存储系统的功耗的系统和方法
公开(公告)号：US07882373B1
公开(公告)日：2011-02-01
申请号：US11771561
申请日：2007-06-29
申请人： Sachin More , Adnan Sahin , Preston Crow , Adi Ofer
发明人： Sachin More , Adnan Sahin , Preston Crow , Adi Ofer
IPC分类号： G06F1/00 , G06F1/32
CPC分类号： G06F1/3203 , G06F1/3268 , G06F3/0625 , G06F3/0659 , G06F3/0689 , Y02D10/154
摘要： Described is a storage system and method for reducing power consumption in a storage system by shortening seek distances associated with input/output (I/O) requests to a physical disk drive. A sweep direction is set. An offset of a new I/O request is evaluated to determine whether to send the new I/O request to the physical disk drive. The new I/O request is sent to the physical disk drive if the offset is consistent with the sweep direction. Otherwise, sending the new I/O request to the disk drive is deferred until the sweep direction is set to a reverse direction.
摘要翻译：描述了一种用于通过缩短与对物理磁盘驱动器的输入/输出（I / O）请求相关联的查找距离来减少存储系统中的功耗的存储系统和方法。设置扫描方向。评估新的I / O请求的偏移，以确定是否将新的I / O请求发送到物理磁盘驱动器。如果偏移与扫描方向一致，则新的I / O请求将发送到物理磁盘驱动器。否则，将新的I / O请求发送到磁盘驱动器，直到扫描方向设置为相反方向。

8. 发明授权

US06721870B1 Prefetch algorithm for short sequences 有权
标题翻译：短序列的预取算法
公开(公告)号：US06721870B1
公开(公告)日：2004-04-13
申请号：US09879431
申请日：2001-06-12
申请人： Yechiel Yochai , Sachin More , Ron Arnan
发明人： Yechiel Yochai , Sachin More , Ron Arnan
IPC分类号： G06F1200
CPC分类号： G06F3/0659 , G06F3/0611 , G06F3/0689
摘要： A prefetch process that generates prefetch tasks for short sequences that are no longer than n tracks in length. The value of n is selected as 8. The prefetch process maintains a history of short sequences, uses that history to predict an expected length of a current sequence and generates a short prefetch task based on that prediction. The historical short sequence data is stored in histograms, each histogram being associated with a different logical volume. The histograms store a cumulative count of sequence occurrences of a given sequence length for each sequence length in a range of 1 track to n tracks. The process applies a probability-based threshold to its prediction to control the aggressiveness of the prefetch task to be generated. The threshold is adjusted based on system activity level metrics, such as processor utilization and average memory access time.
摘要翻译：对于不长于n个轨道的短序列生成预取任务的预取过程。 n的值被选择为8.预取过程保持短序列的历史，使用该历史来预测当前序列的预期长度，并且基于该预测生成短预取任务。历史短序列数据存储在直方图中，每个直方图与不同的逻辑卷相关联。直方图存储在1个轨道到n个轨道的范围内的每个序列长度的给定序列长度的序列出现的累积计数。该过程将基于概率的阈值应用于其预测以控制要生成的预取任务的侵略性。基于系统活动级别度量（如处理器利用率和平均内存访问时间）调整阈值。

9. 发明授权

US09652352B1 Techniques for storage capacity configuration 有权
公开(公告)号：US09652352B1
公开(公告)日：2017-05-16
申请号：US12932827
申请日：2011-03-08
申请人： Kendell Chilton , Sachin More
发明人： Kendell Chilton , Sachin More
IPC分类号： G06F12/06 , G06F11/34
CPC分类号： G06F11/34 , G06F12/02 , G11C16/20 , G11C16/349 , G11C29/76
摘要： Described are techniques for reconfiguring a storage device. A first plurality of parameters characterizing the storage device at a first point in time are received. The first plurality of parameters includes a first raw capacity and a first published capacity. The first raw capacity represents a physical storage capacity of the storage device. The first published capacity represents a logical storage capacity of the storage device. A second plurality of parameters is determined characterizing the storage device at a subsequent second point in time. The second plurality of parameters includes a second raw capacity and a second published capacity, The storage device is used at the first point in time as a device having the first plurality of parameters and at the second point in time as a device having the second plurality of parameters.

10. 发明授权

US08935490B1 Disk access quality of service 有权
标题翻译：磁盘访问服务质量
公开(公告)号：US08935490B1
公开(公告)日：2015-01-13
申请号：US12930101
申请日：2010-12-28
申请人： Amnon Naamad , Sachin More
发明人： Amnon Naamad , Sachin More
IPC分类号： G06F12/02
CPC分类号： G06F3/0683 , G06F3/0611 , G06F3/0659
摘要： Providing quality of service levels to a plurality of sources that perform access requests to a disk resource includes providing a disk resource queue containing access requests for the disk resource, providing a source queue for each of the sources containing access requests generated by a corresponding one of the sources, determining if a new access request from a particular source is urgent according to a specified number of I/O operations per second for the particular source and a time since a previous access request from the particular source, adding the new access request to the disk resource queue if the new access request is urgent, and adding the new access request the source queue of the particular source if the new access request is not urgent and the length of the disk resource queue is greater than a predetermined queue depth value.
摘要翻译：向执行对磁盘资源的访问请求的多个源提供服务级别的质量包括提供包含对于磁盘资源的访问请求的磁盘资源队列，为包含由对应的源，确定来自特定源的新的访问请求是否紧急，根据特定源的每秒的指定数量的I / O操作以及从特定源的先前访问请求以来的时间，将新的访问请求添加到如果新的访问请求是紧急的，则磁盘资源队列，如果新的访问请求不紧急且磁盘资源队列的长度大于预定的队列深度值，则将新的访问请求添加到特定源的源队列。

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