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1. 发明申请

US20050193230A1 Metadata access during error handling routines 失效
标题翻译：错误处理例程期间的元数据访问
公开(公告)号：US20050193230A1
公开(公告)日：2005-09-01
申请号：US10781200
申请日：2004-02-17
申请人： James Springer , Yu-Cheng Hsu , Gilad Sharaby , Aaron Mahar , Angelique Budaya
发明人： James Springer , Yu-Cheng Hsu , Gilad Sharaby , Aaron Mahar , Angelique Budaya
IPC分类号： G06F11/00 , G06F11/14 , G06F11/20
CPC分类号： G06F11/1441 , G06F11/2069
摘要： A data storage control unit is coupled to one or more host devices and to one or more physical storage units. Data is stored in one of the storage units and, for data integrity, copied to another storage unit. An updated state of the copy process (metadata) is maintained and updated in metadata tracks in a memory of the storage controller and periodically destaged to corresponding metadata tracks of a storage unit. If the copy process is interrupted, such as by a power failure, an error handling routine commences. Track state fields associated with each in-memory metadata track are initialized to an ‘invalid’ state and background staging of metadata tracks from the storage unit to the memory. After a track is staged, the associated track state field is changed to a ‘valid’ state. If a request is received to access a track of copy state data and the track has been staged (as indicated by the state of the associated track state field), the track is accessed. If the requested track has not been staged, requester waits while the requested track is staged; then the requested track is accessed. Once the error handling routine is completed, normal I/O operations with customer data may resume. Preferably, completion of the error handling routine is independent of the completion of the staging of copy state data tracks.
摘要翻译：数据存储控制单元耦合到一个或多个主机设备和一个或多个物理存储单元。数据存储在其中一个存储单元中，为了数据的完整性，数据被复制到另一个存储单元。复制过程（元数据）的更新状态在存储控制器的存储器中的元数据轨道中被维护和更新，并且周期性地转移到存储单元的相应元数据轨道。如果复制过程中断，例如电源故障，则会启动错误处理例程。与每个存储器间元数据轨道相关联的跟踪状态字段被初始化为从存储单元到存储器的元数据轨迹的“无效”状态和背景分段。在轨道分段后，相关的轨道状态字段将更改为“有效”状态。如果接收到访问复制状态数据的轨道的请求，并且轨道已经被分段（如由相关联的轨道状态字段的状态所指示的），则该轨道被访问。如果所请求的轨道尚未分段，则请求者在所请求的轨道分段时等待; 然后访问所请求的轨道。一旦完成了错误处理程序，可以恢复与客户数据的正常I / O操作。优选地，错误处理例程的完成与复制状态数据轨道的分段的完成无关。

2. 发明申请

US20060106873A1 Selective clearing of persistent metadata in a storage subsystem 审中-公开
标题翻译：在存储子系统中选择性清除持久性元数据
公开(公告)号：US20060106873A1
公开(公告)日：2006-05-18
申请号：US10993092
申请日：2004-11-18
申请人： James Springer , Yu-Cheng Hsu , Lloyd Wiebe , Kurt Lovrien , David Mannenbach , Angelique Budaya
发明人： James Springer , Yu-Cheng Hsu , Lloyd Wiebe , Kurt Lovrien , David Mannenbach , Angelique Budaya
IPC分类号： G06F17/00
CPC分类号： G06F3/0652 , G06F3/0605 , G06F3/0614 , G06F3/0683 , G06F11/1435
摘要： Method for selectively clearing persistent data such as metadata in a storage subsystem. The method includes identifying one or more metadata tracks to clear, receiving a request from a client to clear the identified metadata tracks, passing the request to a storage device driver, and clearing the identified metadata tracks. The metadata tracks to be cleared may be identified by a specific storage function associated with the metadata to be cleared or by a specific storage target associated with metadata. Alternatively, both a storage function and a storage target may be specified. Preferably, the request to clear one or more identified metadata tracks may be executed without affecting unrelated storage functions. In addition, the request may be executed while preserving metadata tracks unrelated to the identified metadata tracks. Thus, execution of a request to selectively clear identified global metadata tracks in accordance with the present invention will typically not cause the loss of configuration information and will not necessitate a reboot of the system. In addition, a request as described above may be executed at any point in time while the storage system is running.
摘要翻译：用于选择性地清除诸如存储子系统中的元数据的持久性数据的方法。该方法包括识别一个或多个元数据轨道以清除，接收来自客户端的请求以清除所识别的元数据轨道，将请求传递到存储设备驱动器，以及清除所识别的元数据轨道。要清除的元数据轨迹可以通过与要清除的元数据或与元数据相关联的特定存储目标相关联的特定存储功能来识别。或者，可以指定存储功能和存储目标。优选地，可以执行清除一个或多个所识别的元数据轨道的请求而不影响不相关的存储功能。此外，可以在保留与所识别的元数据轨道无关的元数据轨道的同时执行请求。因此，根据本发明的执行选择性地清除所标识的全局元数据轨迹的请求通常不会导致配置信息的丢失，并且不会使系统重新启动。此外，当存储系统运行时，可以在任何时间点执行如上所述的请求。

3. 发明授权

US07099995B2 Metadata access during error handling routines 失效
标题翻译：错误处理例程期间的元数据访问
公开(公告)号：US07099995B2
公开(公告)日：2006-08-29
申请号：US10781200
申请日：2004-02-17
申请人： James A. Springer , Yu-Cheng Hsu , Gilad Sharaby , Aaron S. Mahar , Angelique R. Budaya
发明人： James A. Springer , Yu-Cheng Hsu , Gilad Sharaby , Aaron S. Mahar , Angelique R. Budaya
IPC分类号： G06F12/00
CPC分类号： G06F11/1441 , G06F11/2069
摘要： A data storage control unit is coupled to one or more host devices and to one or more physical storage units. Data is stored in one of the storage units and, for data integrity, copied to another storage unit. An updated state of the copy process (metadata) is maintained and updated in metadata tracks in a memory of the storage controller and periodically destaged to corresponding metadata tracks of a storage unit. If the copy process is interrupted, such as by a power failure, an error handling routine commences. Track state fields associated with each in-memory metadata track are initialized to an ‘invalid’ state and background staging of metadata tracks from the storage unit to the memory. After a track is staged, the associated track state field is changed to a ‘valid’ state. If a request is received to access a track of copy state data and the track has been staged (as indicated by the state of the associated track state field), the track is accessed. If the requested track has not been staged, requester waits while the requested track is staged; then the requested track is accessed. Once the error handling routine is completed, normal I/O operations with customer data may resume. Preferably, completion of the error handling routine is independent of the completion of the staging of copy state data tracks.
摘要翻译：数据存储控制单元耦合到一个或多个主机设备和一个或多个物理存储单元。数据存储在其中一个存储单元中，为了数据的完整性，数据被复制到另一个存储单元。复制过程（元数据）的更新状态在存储控制器的存储器中的元数据轨道中被维护和更新，并且周期性地转移到存储单元的相应元数据轨道。如果复制过程中断，例如电源故障，则会启动错误处理例程。与每个存储器间元数据轨道相关联的跟踪状态字段被初始化为从存储单元到存储器的元数据轨迹的“无效”状态和背景分段。在轨道分段后，相关的轨道状态字段将更改为“有效”状态。如果接收到访问复制状态数据的轨道的请求，并且轨道已经被分段（如由相关联的轨道状态字段的状态所指示的），则该轨道被访问。如果所请求的轨道尚未分段，则请求者在所请求的轨道分段时等待; 然后访问所请求的轨道。一旦完成了错误处理程序，可以恢复与客户数据的正常I / O操作。优选地，错误处理例程的完成与复制状态数据轨道的分段的完成无关。

4. 发明授权

US09098397B2 Extending cache for an external storage system into individual servers 有权
公开(公告)号：US09098397B2
公开(公告)日：2015-08-04
申请号：US13079432
申请日：2011-04-04
申请人： Lee D. Cleveland , John C. Elliott , Yu-Cheng Hsu , Andrew D. Walls
发明人： Lee D. Cleveland , John C. Elliott , Yu-Cheng Hsu , Andrew D. Walls
IPC分类号： G06F12/00 , G06F13/00 , G06F12/02 , G06F12/08 , H04L29/08
CPC分类号： G06F12/0246 , G06F12/0868 , H04L67/2852
摘要： Mechanisms are provided for extending cache for an external storage system into individual servers. Certain servers may have cards with cache in the form of dynamic random access memory (DRAM) and non-volatile storage, such as flash memory or solid-state drives (SSDs), which may be viewed as actual extensions of the external storage system. In this way, the storage system is distributed across the storage area network (SAN) into various servers. Several new semantics are used in communication between the cards and the storage system to keep the read caches coherent.

5. 发明授权

US09004894B2 Mold assembly 有权
标题翻译：模具总成
公开(公告)号：US09004894B2
公开(公告)日：2015-04-14
申请号：US13117110
申请日：2011-05-26
申请人： Yuan-Shun Tsai , Yu-Cheng Hsu
发明人： Yuan-Shun Tsai , Yu-Cheng Hsu
IPC分类号： B29C45/14 , B29C33/40 , B29C45/37 , B29C33/56
CPC分类号： B29C45/14836 , B29C33/405 , B29C33/565 , B29C45/14 , B29C45/14065 , B29C45/37 , B29C2045/14122 , B29C2045/14934
摘要： A mold assembly for insert-molding a heterogeneous object includes an upper mold and a lower mold. The upper mold includes a cavity for accommodating an insert object. The lower mold includes a rigid body and a resilient contact member for resting the insert object. The resilient contact member absorbs dimensional variations of the insert object during the insert molding process.
摘要翻译：用于嵌入成型异质物体的模具组件包括上模和下模。上模包括用于容纳插入物体的空腔。下模包括刚性体和用于搁置插入物的弹性接触构件。弹性接触构件在插入成型过程中吸收插入物体的尺寸变化。

6. 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.

7. 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。

8. 发明授权

US08024524B2 Method, system, and program for an adaptor to read and write to system memory 有权
标题翻译：用于读取和写入系统内存的适配器的方法，系统和程序
公开(公告)号：US08024524B2
公开(公告)日：2011-09-20
申请号：US12537987
申请日：2009-08-07
申请人： Michael Thomas Benhase , James Chien-Chung Chen , Yu-Cheng Hsu , Matthew Joseph Kalos , Carol Spanel , Andrew Dale Walls
发明人： Michael Thomas Benhase , James Chien-Chung Chen , Yu-Cheng Hsu , Matthew Joseph Kalos , Carol Spanel , Andrew Dale Walls
IPC分类号： G06F12/00 , G06F12/08
CPC分类号： G06F12/0866 , G06F12/1081
摘要： Provided are a method, system, and program for an adaptor to read and write to system memory. A plurality of blocks of data to write to storage are received at an adaptor. The blocks of data are added to a buffer in the adaptor. A determination is made of pages in a memory device and I/O requests are generated to write the blocks in the buffer to the determined pages, wherein two I/O requests are generated to write to one block split between two pages in the memory device. The adaptor executes the generated I/O requests to write the blocks in the buffer to the determined pages in the memory device.
摘要翻译：提供了适配器读取和写入系统内存的方法，系统和程序。在适配器处接收要写入存储器的多个数据块。数据块被添加到适配器中的缓冲区。确定存储器设备中的页面并且生成I / O请求以将缓冲器中的块写入到所确定的页面，其中生成两个I / O请求以写入存储器设备中的两个页面之间的一个块分割。适配器执行生成的I / O请求，将缓冲区中的块写入存储器设备中确定的页面。

9. 发明申请

US20110202708A1 Integrating A Flash Cache Into Large Storage Systems 有权
标题翻译：将Flash Cache集成到大型存储系统中
公开(公告)号：US20110202708A1
公开(公告)日：2011-08-18
申请号：US12707357
申请日：2010-02-17
申请人： Kevin J. Ash , Michael T. Benhase , Evangelos S. Eleftheriou , Lokesh M. Gupta , Robert Haas , Yu-Cheng Hsu , Xiaoyu Hu , Joseph S. Hyde, II , Roman A. Pletka , Alfred E. Sanchez
发明人： Kevin J. Ash , Michael T. Benhase , Evangelos S. Eleftheriou , Lokesh M. Gupta , Robert Haas , Yu-Cheng Hsu , Xiaoyu Hu , Joseph S. Hyde, II , Roman A. Pletka , Alfred E. Sanchez
IPC分类号： G06F12/00 , G06F12/08 , G06F13/12
CPC分类号： G06F12/0866 , G06F3/0611 , G06F3/0655 , G06F3/0685 , G06F2212/214 , G06F2212/2146
摘要： An I/O enclosure module is provided with one or more I/O enclosures having a plurality of slots for receiving electronic devices. A host adapter is connected a first slot of the I/O enclosure module and is configured to connect a host to the I/O enclosure. A device adapter is connected to a second slot of the I/O enclosure module and is configured to connect a storage device to the I/O enclosure module. A flash cache is connected to a third slot of the I/O enclosure module and includes a flash-based memory configured to cache data associated with data requests handled through the I/O enclosure module. A primary processor complex manages data requests handled through the I/O enclosure module by communicating with the host adapter, device adapter, and flash cache to manage to the data requests.
摘要翻译： I / O机箱模块设置有一个或多个具有多个用于接收电子设备的插槽的I / O机箱。主机适配器连接在I / O机柜模块的第一个插槽上，并配置为将主机连接到I / O机箱。设备适配器连接到I / O机箱模块的第二个插槽，并配置为将存储设备连接到I / O机柜模块。闪存缓存连接到I / O机箱模块的第三个插槽，并且包括配置为缓存与通过I / O机箱模块处理的数据请求相关联的数据的基于闪存的存储器。主处理器复合体通过与主机适配器，设备适配器和闪存缓存进行通信来管理数据请求来管理通过I / O机箱模块处理的数据请求。

10. 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。

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