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1. 发明授权

US08856476B2 Systems, methods, and physical computer storage media to optimize data placement in multi-tiered storage systems 有权
标题翻译：系统，方法和物理计算机存储介质，以优化多层存储系统中的数据放置
公开(公告)号：US08856476B2
公开(公告)日：2014-10-07
申请号：US13531845
申请日：2012-06-25
申请人： Lawrence Y. Chiu , Yong Guo , Chao G. Li , Yang Liu , Paul Muench , Sangeetha Seshadri
发明人： Lawrence Y. Chiu , Yong Guo , Chao G. Li , Yang Liu , Paul Muench , Sangeetha Seshadri
IPC分类号： G06F12/00 , G06F13/00 , G06F13/28 , G06F12/02
CPC分类号： G06F12/02 , G06F17/30091
摘要： For optimizing data placement in a multi-tiered storage system, system configuration data and system performance data is collected. A plurality of data movement plans are generated, based in part on the system configuration data and the system performance data. A conflict between the plurality of data movement plans are arbitrated to form an execution plan. The data movement plans are performed according to the execution plan.
摘要翻译：为了优化多层存储系统中的数据放置，收集系统配置数据和系统性能数据。部分基于系统配置数据和系统性能数据生成多个数据移动计划。多个数据移动计划之间的冲突被仲裁以形成执行计划。数据移动计划根据执行计划执行。

2. 发明申请

US20110191540A1 PROCESSING READ AND WRITE REQUESTS IN A STORAGE CONTROLLER 失效
标题翻译：在存储控制器中处理读取和写入请求
公开(公告)号：US20110191540A1
公开(公告)日：2011-08-04
申请号：US12699805
申请日：2010-02-03
申请人： Lawrence Y. Chiu , Yu-Cheng Hsu , Sangeetha Seshadri
发明人： Lawrence Y. Chiu , Yu-Cheng Hsu , Sangeetha Seshadri
IPC分类号： G06F12/08
CPC分类号： G06F3/0611 , G06F3/0659 , G06F3/0685 , G06F12/08 , G06F12/0802 , G06F12/0804 , G06F12/0866 , G06F12/0868 , G06F12/0871 , G06F12/0877 , G06F13/385 , G06F13/4282
摘要： Provided are a method, system, and computer program product for processing read and write requests in a storage controller. A host adaptor in the storage controller receives a write request from a host system for a storage address in a storage device. The host adaptor sends write information indicating the storage address updated by the write request to a device adaptor in the storage controller. The host adaptor writes the write data to a cache in the storage controller. The device adaptor indicates the storage address indicated in the write information to a modified storage address list stored in the device adaptor, wherein the modified storage address list indicates modified data in the cache for storage addresses in the storage device.
摘要翻译：提供了一种用于在存储控制器中处理读取和写入请求的方法，系统和计算机程序产品。存储控制器中的主机适配器从主机系统接收存储设备中存储地址的写入请求。主机适配器向存储控制器中的设备适配器发送表示由写入请求更新的存储地址的写入信息。主机适配器将写入数据写入存储控制器中的高速缓存。设备适配器将写入信息中指示的存储地址指示到存储在设备适配器中的修改的存储地址列表，其中修改的存储地址列表指示高速缓存中用于存储设备中的存储地址的修改数据。

3. 发明申请

US20120047287A1 USING INFORMATION ON INPUT/OUTPUT (I/O) SIZES OF ACCESSES TO AN EXTENT TO DETERMINE A TYPE OF STORAGE DEVICE FOR THE EXTENT 失效
标题翻译：使用输入/输出（I / O）的信息，以确定一个存储设备类型的范围
公开(公告)号：US20120047287A1
公开(公告)日：2012-02-23
申请号：US12861756
申请日：2010-08-23
申请人： Lawrence Y. Chiu , Sangeetha Seshadri
发明人： Lawrence Y. Chiu , Sangeetha Seshadri
IPC分类号： G06F3/00
CPC分类号： G06F3/0605 , G06F3/0647 , G06F3/0685
摘要： Provided are a method, system, and computer program product for using information on Input/Output (I/O) sizes of accesses to an extent to determine a type of storage device for the extent from a plurality of storage devices comprising at least one of a first storage type and a second storage type. Performance information is processed for a time period for Input/Output (I/O) operations with respect to an extent maintained in at least one of the storage devices of the first storage type, wherein the performance information indicates an I/O size of the I/O operations with respect to the extent. A determination is made as to whether characteristics of the I/O operations other than I/O size indicate that the extent is eligible for migration to at least one of the storage devices of the second storage type. A determination is made as to whether characteristics of the I/O sizes of the I/O operations. A determination is made as to whether the characteristics of the I/O sizes of the I/O operations indicate that the extent should be migrated from the at least one storage device of the first storage type to at least one of the storage devices of the second storage type. The extent is migrated from one of the storage devices of the first type to at least one of the storage devices of the second type in response in response to determining that the extent is eligible for migration and that the characteristics of the I/O sizes indicate that the extent should be migrated.
摘要翻译：提供了一种方法，系统和计算机程序产品，用于使用关于访问的输入/输出（I / O）尺寸的信息在一定程度上确定从多个存储设备的范围的存储设备的类型，包括以下各项中的至少一个：第一存储类型和第二存储类型。性能信息相对于在第一存储类型的至少一个存储设备中维持的程度对输入/输出（I / O）操作的时间段进行处理，其中，性能信息指示I / O大小 I / O操作相对于程度。确定除了I / O大小之外的I / O操作的特征是否指示该范围有资格迁移到第二存储类型的至少一个存储设备。确定I / O操作的I / O大小的特性。确定I / O操作的I / O大小的特征是否指示该范围应该从第一存储类型的至少一个存储设备迁移到第一存储类型的至少一个存储设备第二存储类型。响应于确定该范围符合资格进行迁移，并且I / O尺寸的特征指示的范围从第一类型的存储设备之一迁移到第二类型的存储设备中的至少一个存储设备应该迁移的范围。

4. 发明授权

US08700852B2 Processing read and write requests in a storage controller 失效
标题翻译：在存储控制器中处理读写请求
公开(公告)号：US08700852B2
公开(公告)日：2014-04-15
申请号：US12699805
申请日：2010-02-03
申请人： Lawrence Y. Chiu , Yu-Cheng Hsu , Sangeetha Seshadri
发明人： Lawrence Y. Chiu , Yu-Cheng Hsu , Sangeetha Seshadri
IPC分类号： G06F13/16
CPC分类号： G06F3/0611 , G06F3/0659 , G06F3/0685 , G06F12/08 , G06F12/0802 , G06F12/0804 , G06F12/0866 , G06F12/0868 , G06F12/0871 , G06F12/0877 , G06F13/385 , G06F13/4282
摘要： Provided are a method, system, and computer program product for processing read and write requests in a storage controller. A host adaptor in the storage controller receives a write request from a host system for a storage address in a storage device. The host adaptor sends write information indicating the storage address updated by the write request to a device adaptor in the storage controller. The host adaptor writes the write data to a cache in the storage controller. The device adaptor indicates the storage address indicated in the write information to a modified storage address list stored in the device adaptor, wherein the modified storage address list indicates modified data in the cache for storage addresses in the storage device.
摘要翻译：提供了一种用于在存储控制器中处理读取和写入请求的方法，系统和计算机程序产品。存储控制器中的主机适配器从主机系统接收存储设备中存储地址的写入请求。主机适配器向存储控制器中的设备适配器发送表示由写入请求更新的存储地址的写入信息。主机适配器将写入数据写入存储控制器中的高速缓存。设备适配器将写入信息中指示的存储地址指示到存储在设备适配器中的修改的存储地址列表，其中修改的存储地址列表指示高速缓存中用于存储设备中的存储地址的修改数据。

5. 发明授权

US08365023B2 Runtime dynamic performance skew elimination 失效
公开(公告)号：US08365023B2
公开(公告)日：2013-01-29
申请号：US13098143
申请日：2011-04-29
申请人： Lawrence Y. Chiu , Paul H. Muench , Sangeetha Seshadri
发明人： Lawrence Y. Chiu , Paul H. Muench , Sangeetha Seshadri
IPC分类号： G06K5/04
CPC分类号： G06F3/061 , G06F3/064 , G06F3/0647 , G06F3/0653 , G06F3/0689 , G06F11/0727 , G06F11/1076 , G06F12/02 , H04L67/1002
摘要： For runtime dynamic performance skew elimination in a computer environment, an exemplary computer environment is configured for calculating a rank heats by utilizing a plurality of fine-grained statistics collected at an extent granularity, including considering bandwidth (BW) and input/outputs per second (IOPS) metrics. An adaptive data placement plan is generated to relocate the data. The data is placed among data storage ranks. The data storage ranks are balanced according to the adaptive data placement plan.

6. 发明授权

US08838927B2 Systems, methods, and physical computer storage media to optimize data placement in multi-tiered storage systems 有权
标题翻译：系统，方法和物理计算机存储介质，以优化多层存储系统中的数据放置
公开(公告)号：US08838927B2
公开(公告)日：2014-09-16
申请号：US13117236
申请日：2011-05-27
申请人： Lawrence Y. Chiu , Yong Guo , Chao G. Li , Yang Liu , Paul Muench , Sangeetha Seshadri
发明人： Lawrence Y. Chiu , Yong Guo , Chao G. Li , Yang Liu , Paul Muench , Sangeetha Seshadri
IPC分类号： G06F12/00 , G06F13/00 , G06F13/28 , G06F12/02
CPC分类号： G06F12/02 , G06F17/30091
摘要： A system includes a data collector, a plurality of data placement optimizers, a data placement arbitrator, and a data mover. The data collector is configured to collect system configuration data and system performance data. The plurality of data placement optimizers are each configured to analyze the system configuration data and the system performance data for developing a corresponding data movement plan. The data placement arbitrator is configured to arbitrate conflicts between at least two data movement plans of generated by the plurality of data placement optimizers to form an execution plan. The data mover is configured to perform the data movement plans according to the execution plan.
摘要翻译：系统包括数据收集器，多个数据放置优化器，数据放置仲裁器和数据移动器。数据收集器配置为收集系统配置数据和系统性能数据。多个数据放置优化器被配置为分析系统配置数据和系统性能数据，以开发相应的数据移动计划。数据放置仲裁器被配置为仲裁由多个数据放置优化器生成的至少两个数据移动计划之间的冲突以形成执行计划。数据移动器被配置为根据执行计划执行数据移动计划。

7. 发明授权

US08443241B2 Runtime dynamic performance skew elimination 失效
标题翻译：运行时动态性能偏移消除
公开(公告)号：US08443241B2
公开(公告)日：2013-05-14
申请号：US13532204
申请日：2012-06-25
申请人： Lawrence Y. Chiu , Paul H. Muench , Sangeetha Seshadri
发明人： Lawrence Y. Chiu , Paul H. Muench , Sangeetha Seshadri
IPC分类号： G06K5/04
CPC分类号： G06F3/061 , G06F3/064 , G06F3/0647 , G06F3/0653 , G06F3/0689 , G06F11/0727 , G06F11/1076 , G06F12/02 , H04L67/1002
摘要： For runtime dynamic performance skew elimination in a computer environment, an exemplary computer environment is configured for calculating a rank heats by utilizing a plurality of fine-grained statistics collected at an extent granularity, including considering bandwidth (BW) and input/outputs per second (IOPS) metrics. An adaptive data placement plan is generated to relocate the data. The data is placed among data storage ranks. The data storage ranks are balanced according to the adaptive data placement plan.
摘要翻译：对于计算机环境中的运行时动态性能偏移消除，示例性计算机环境被配置为通过利用以一定程度粒度收集的多个细粒度统计来计算秩热，包括考虑带宽（BW）和每秒输入/输出（ IOPS）指标。生成自适应数据放置计划以重新定位数据。数据放在数据存储等级之中。数据存储级别根据自适应数据布局计划进行平衡。

8. 发明授权

US08380947B2 Storage application performance matching 失效
公开(公告)号：US08380947B2
公开(公告)日：2013-02-19
申请号：US13458843
申请日：2012-04-27
申请人： Lawrence Y. Chiu , Clement L. Dickey , Yu-Cheng Hsu , Joseph S. Hyde, II , Paul H. Muench , Cheng-Chung Song
发明人： Lawrence Y. Chiu , Clement L. Dickey , Yu-Cheng Hsu , Joseph S. Hyde, II , Paul H. Muench , Cheng-Chung Song
IPC分类号： G06F12/00
CPC分类号： G06F3/0647 , G06F3/0617 , G06F3/0685
摘要： Input/output (I/O) activity in the multiple tier storage system is monitored to collect statistical information. The statistical information is recurrently transformed into an exponential moving average (EMA) of the I/O activity having a predefined smoothing factor. Data portions in the multiple tier storage system are sorted into buckets of varying temperatures corresponding to the EMA. At least one data migration plan is recurrently generated for matching the sorted data portions to at least one of an available plurality of storage device classes. One data portion sorted into a higher temperature bucket is matched with a higher performance storage device class of the available plurality of storage device classes than another data portion sorted into a lower temperature bucket.

9. 发明申请

US20110238888A1 PROVIDING VERSIONING IN A STORAGE DEVICE 有权
标题翻译：在存储设备中提供版本
公开(公告)号：US20110238888A1
公开(公告)日：2011-09-29
申请号：US12749186
申请日：2010-03-29
申请人： Lawrence Y. Chiu , Yu-Cheng Hsu
发明人： Lawrence Y. Chiu , Yu-Cheng Hsu
IPC分类号： G06F12/00 , G06F12/02 , G06F12/06
CPC分类号： G06F3/0653 , G06F3/0607 , G06F3/0631 , G06F3/0679 , G06F12/023 , G06F12/0246 , G06F2212/7209
摘要： Provided are a computer program product, system and method for managing Input/Output (I/O) requests to a storage device. A write request is received having write data for a logical address in the storage device. A determination is made as to whether preserve mode is enabled. A first entry is located in a volume control table for the logical address indicating a version number of the data in the storage device for the logical address and a first physical location in the storage device having the data for the logical address. The write data is written to a second physical location in the storage device. A second entry is added to the volume control table for the logical address to write in response to determining that the preserve mode is enabled. In response to determining that the preserve mode is enabled, the volume control table is updated to have one of the first and second entry for the logical address point to the second physical location and have the version number indicate a current version and to have the first or second entry not indicating the current version to indicate the first physical location and the version number indicate a previous version.
摘要翻译：提供了一种用于管理对存储设备的输入/输出（I / O）请求的计算机程序产品，系统和方法。接收到具有用于存储设备中的逻辑地址的写入数据的写入请求。确定是否启用保留模式。第一条目位于用于逻辑地址的音量控制表中，该逻辑地址指示用于逻辑地址的存储设备中的数据的版本号以及具有用于逻辑地址的数据的存储设备中的第一物理位置。写入数据被写入存储设备中的第二物理位置。响应于确定保持模式被启用，第二个条目被添加到音量控制表中以供写入的逻辑地址。响应于确定保持模式被启用，音量控制表被更新为具有用于逻辑地址的第一和第二条目中的一个到第二物理位置，并且版本号指示当前版本并且具有第一或第二条目不指示当前版本以指示第一物理位置，并且版本号指示先前版本。

10. 发明授权

US09658896B2 Apparatus and method to manage device performance in a storage system 有权
公开(公告)号：US09658896B2
公开(公告)日：2017-05-23
申请号：US13473485
申请日：2012-05-16
申请人： Lawrence Y. Chiu , Chao Guang Li , Yang Liu , Paul H. Muench
发明人： Lawrence Y. Chiu , Chao Guang Li , Yang Liu , Paul H. Muench
IPC分类号： G06F9/50 , G06F3/06
CPC分类号： G06F9/5088 , G06F3/061 , G06F3/0647 , G06F3/0653 , G06F3/0685 , G06F2209/5022
摘要： A method to optimize workload across a plurality of storage devices of a storage system, where the method monitors a workload of a first storage device belonging to a first tier of the storage system, calculates a performance of the workload of the first storage device belonging to a first tier of the storage system, interpolates a performance threshold for the first storage device using the workload pattern of the first storage device and a profile of the first storage device, the profile identifying a benchmark performance of the first storage device, and optimizes a usage of the first storage device within the storage system to improve a performance of the first storage device.

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