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1. 发明授权

US06775792B2 Discrete mapping of parity blocks 有权
标题翻译：数据阻塞映射
公开(公告)号：US06775792B2
公开(公告)日：2004-08-10
申请号：US10060921
申请日：2002-01-29
申请人： Thomas R. Ulrich , James R. Schweitzer , Gregory D. Bolstad , Jay G. Randall , John R. Staub , George W. Priester
发明人： Thomas R. Ulrich , James R. Schweitzer , Gregory D. Bolstad , Jay G. Randall , John R. Staub , George W. Priester
IPC分类号： G06F1110
CPC分类号： G06F11/2097 , G06F9/5083 , G06F11/1076 , G06F11/1471 , G06F11/2035 , G06F11/2048 , G06F17/30067 , G06F2201/84 , G06F2211/1028
摘要： A system and method for discrete mapping of parity blocks in a computer storage system that includes a plurality of disk drives for storing parity groups. Each parity group includes storage blocks. The storage blocks include one or more data blocks and a parity block that is associated with the one or more data blocks. Each of the storage blocks is stored on a separate disk drive such that no two storage blocks from a given parity set reside on the same disk drive. File system metadata includes information to describe the data blocks in one or more parity groups.
摘要翻译：一种用于在包括用于存储奇偶校验组的多个磁盘驱动器的计算机存储系统上的数据阻塞映射的系统和方法。每个奇偶校验组包括存储块。存储块包括与一个或多个数据块相关联的一个或多个数据块和奇偶校验块。每个存储块存储在单独的磁盘驱动器上，使得来自给定奇偶校验集的两个存储块不存在于同一磁盘驱动器上。文件系统元数据包括用于描述一个或多个奇偶校验组中的数据块的信息。

2. 发明授权

US06990547B2 Replacing file system processors by hot swapping 有权
公开(公告)号：US06990547B2
公开(公告)日：2006-01-24
申请号：US10060908
申请日：2002-01-29
申请人： Thomas R. Ulrich , James R. Schweitzer , Gregory D. Bolstad , Jay G. Randall , John R. Staub , George W. Priester
发明人： Thomas R. Ulrich , James R. Schweitzer , Gregory D. Bolstad , Jay G. Randall , John R. Staub , George W. Priester
IPC分类号： G06F12/16
CPC分类号： G06F17/30067
摘要： A system and method for replacing file system processors, also known as hot swapping, is described. The system and method operate on a fault-tolerant network file system that includes a first file server that is operably connected to a network fabric and a second file server that is operably connected to the network fabric. The fault-tolerant network file system includes a first disk array that is operably coupled to the first file server and to the second file server and a second disk array that is operably coupled to the first file server and to the second file server. First file system information is loaded on the first file server. The first file system information includes a first intent log of proposed changes to first metadata. Second file system information is loaded on the second file server. The second file system information includes a second intent log of proposed changes to second metadata. The first file server has a copy of the second metadata, and the second file server maintains a copy of the first metadata, thereby allowing the first file server to access files on the second disk array in the event of a failure of the second file server.

3. 发明授权

US06754773B2 Data engine with metadata processor 有权
标题翻译：具有元数据处理器的数据引擎
公开(公告)号：US06754773B2
公开(公告)日：2004-06-22
申请号：US10060878
申请日：2002-01-29
申请人： Thomas R. Ulrich , James R. Schweitzer , Gregory D. Bolstad , Jay G. Randall , John R. Staub , George W. Priester , David H. Barry , Leonard D. Olsen , Danny Lam , Ronald K. Godshalk, Jr.
发明人： Thomas R. Ulrich , James R. Schweitzer , Gregory D. Bolstad , Jay G. Randall , John R. Staub , George W. Priester , David H. Barry , Leonard D. Olsen , Danny Lam , Ronald K. Godshalk, Jr.
IPC分类号： G06F1300
CPC分类号： G06F11/2097 , G06F9/5083 , G06F11/1076 , G06F11/1471 , G06F11/2035 , G06F11/2048 , G06F17/30067 , G06F2201/84 , G06F2211/1028
摘要： A programmable data path accelerator is described. The programmable data path accelerator operates on a file server that includes a network interface for communicating with one or more clients. The network interface includes a network transaction queue. A metafile processor is configured to communicate with the network interface across a first memory-mapped bus and is configured to communicate with the storage interface across a second memory-mapped bus. A data engine configured to communicate with the network interface across the first memory-mapped bus and to communicate with the storage interface across the second memory-mapped bus.
摘要翻译：描述可编程数据路径加速器。可编程数据路径加速器在包括用于与一个或多个客户端通信的网络接口的文件服务器上操作。网络接口包括网络事务队列。元文件处理器被配置为通过第一存储器映射总线与网络接口通信，并且被配置为通过第二存储器映射总线与存储接口通信。数据引擎，被配置为与第一存储器映射总线上的网络接口进行通信，并且跨越第二存储器映射总线与存储接口进行通信。

4. 发明授权

US06745286B2 Interface architecture 有权
标题翻译：接口架构
公开(公告)号：US06745286B2
公开(公告)日：2004-06-01
申请号：US10060903
申请日：2002-01-29
申请人： John R. Staub , David H. Barry , George W. Priester , Leonard D. Olsen , Gregory D. Bolstad , Danny Lam , Ronald K. Godshalk, Jr.
发明人： John R. Staub , David H. Barry , George W. Priester , Leonard D. Olsen , Gregory D. Bolstad , Danny Lam , Ronald K. Godshalk, Jr.
IPC分类号： G06F1200
CPC分类号： G06F11/2097 , G06F9/5083 , G06F11/1076 , G06F11/1471 , G06F11/2035 , G06F11/2048 , G06F17/30067 , G06F2201/84 , G06F2211/1028
摘要： A data interface architecture is described. The data interface architecture includes a network-side interface for communicating with a first bus and a storage-side interface for communicating with a second bus. The data interface architecture further includes a first data cache and a second data cache. The data interface architecture further includes a first parity engine, which is configured to perform parity operations for data transactions between the network-side interface and the first data cache, and a second parity engine, which is configured to perform parity operations for data transactions between the storage-side interface and the first data cache. The data interface architecture further includes a third parity engine, which is configured to perform parity operations for data transactions between the network-side interface and the second data cache, and a fourth parity engine, which is configured to perform parity operations for data transactions between the storage-side interface and the second data cache. The data interface architecture further includes control logic that is configured to manage the data transactions between the network-side interface and the first data cache, data transactions between the network-side interface and the second data cache, data transactions between the storage-side interface and the first data cache, and data transactions between the storage-side interface and the second data cache.
摘要翻译：描述数据接口架构。数据接口架构包括用于与第一总线通信的网络侧接口和用于与第二总线通信的存储侧接口。数据接口架构还包括第一数据高速缓存和第二数据高速缓存。数据接口架构还包括第一奇偶校验引擎，其被配置为对网络侧接口和第一数据高速缓存之间的数据事务执行奇偶校验操作，以及第二奇偶校验引擎，其被配置为执行奇偶校验操作，存储侧接口和第一数据高速缓存。数据接口架构还包括第三奇偶校验引擎，其被配置为对网络侧接口和第二数据高速缓存之间的数据事务执行奇偶校验操作，以及第四奇偶校验引擎，其被配置为执行奇偶校验操作，存储侧接口和第二数据高速缓存。数据接口架构还包括控制逻辑，其被配置为管理网络侧接口和第一数据高速缓存之间的数据事务，网络侧接口和第二数据高速缓存之间的数据事务，存储侧接口之间的数据事务和第一数据高速缓存以及存储侧接口和第二数据高速缓存之间的数据事务。

5. 发明授权

US07356730B2 Dynamic redistribution of parity groups 有权
标题翻译：奇偶校验组的动态重新分配
公开(公告)号：US07356730B2
公开(公告)日：2008-04-08
申请号：US11018114
申请日：2004-12-21
申请人： Thomas R. Ulrich , James R. Schweitzer , Gregory D. Bolstad , Jay G. Randall , John R. Staub , George W. Priester
发明人： Thomas R. Ulrich , James R. Schweitzer , Gregory D. Bolstad , Jay G. Randall , John R. Staub , George W. Priester
IPC分类号： G06F11/10 , G06F11/16 , G06F12/16
CPC分类号： G06F11/1076 , G06F3/061 , G06F3/064 , G06F3/0689 , G06F2211/1004
摘要： A system and method for dynamic redistribution of parity groups is described. The system and method for dynamic redistribution of parity groups operates on a computer storage system that includes a plurality of disk drives for storing parity groups. Each parity group includes storage blocks. The storage blocks include one or more data blocks and a parity block that is associated with the data blocks. Each of the storage blocks is stored on a separate disk drive such that no two storage blocks from a given parity set reside on the same disk drive. The computer system further includes a redistribution module to dynamically redistribute parity groups by combining some parity groups to improve storage efficiency.
摘要翻译：描述了用于奇偶校验组的动态重新分配的系统和方法。用于奇偶校验组的动态重新分配的系统和方法在包括用于存储奇偶校验组的多个磁盘驱动器的计算机存储系统上操作。每个奇偶校验组包括存储块。存储块包括与数据块相关联的一个或多个数据块和奇偶校验块。每个存储块存储在单独的磁盘驱动器上，使得来自给定奇偶校验集的两个存储块不存在于同一磁盘驱动器上。计算机系统还包括再分配模块，通过组合一些奇偶校验组来动态地重新分配奇偶校验组以提高存储效率。

6. 发明授权

US06871295B2 Dynamic data recovery 有权
标题翻译：动态数据恢复
公开(公告)号：US06871295B2
公开(公告)日：2005-03-22
申请号：US10060686
申请日：2002-01-29
申请人： Thomas R. Ulrich , James R. Schweitzer , Gregory D. Bolstad , Jay G. Randall , John R. Staub , George W. Priester
发明人： Thomas R. Ulrich , James R. Schweitzer , Gregory D. Bolstad , Jay G. Randall , John R. Staub , George W. Priester
IPC分类号： G06F7/00 , G06F11/10 , G06F11/14 , G06F11/20 , G06F12/00 , G06F12/16 , G06F13/00 , G06F15/16 , G06F15/167 , G06F17/30
CPC分类号： G06F11/2097 , G06F9/5083 , G06F11/1076 , G06F11/1471 , G06F11/2035 , G06F11/2048 , G06F17/30067 , G06F2201/84 , G06F2211/1028
摘要： A system and method for dynamic data recovery is described. The system and method for dynamic data recovery operates on a computer storage system that includes a plurality of disk drives for storing parity groups. Each parity group includes storage blocks. Each of the storage blocks is stored on a separate disk drive such that no two storage blocks from a given parity set reside on the same disk drive. The computer storage system further includes a recovery module to dynamically recover data that is lost when at least a portion of one disk drive in the plurality of disk drives becomes unavailable. The recovery module is configured to produce a reconstructed block by using information in the remaining storage blocks of a parity set that corresponds to an unavailable storage block. The recovery module is further configured to split the parity group corresponding to an unavailable storage block into two parity groups if the parity group corresponding to the unavailable storage block spanned all of the drives in the plurality of disk drives.
摘要翻译：描述了用于动态数据恢复的系统和方法。用于动态数据恢复的系统和方法在包括用于存储奇偶校验组的多个磁盘驱动器的计算机存储系统上操作。每个奇偶校验组包括存储块。每个存储块存储在单独的磁盘驱动器上，使得来自给定奇偶校验集的两个存储块不存在于同一磁盘驱动器上。计算机存储系统还包括恢复模块，用于当多个磁盘驱动器中的一个磁盘驱动器的至少一部分变得不可用时，动态地恢复丢失的数据。恢复模块被配置为通过使用对应于不可用存储块的奇偶校验集的剩余存储块中的信息来产生重构块。如果与不可用存储块相对应的奇偶校验组跨越多个磁盘驱动器中的所有驱动器，则恢复模块还被配置为将对应于不可用存储块的奇偶校验组拆分成两个奇偶校验组。

7. 发明授权

US06862692B2 Dynamic redistribution of parity groups 有权
公开(公告)号：US06862692B2
公开(公告)日：2005-03-01
申请号：US10060874
申请日：2002-01-29
申请人： Thomas R. Ulrich , James R. Schweitzer , Gregory D. Bolstad , Jay G. Randall , John R. Staub , George W. Priester
发明人： Thomas R. Ulrich , James R. Schweitzer , Gregory D. Bolstad , Jay G. Randall , John R. Staub , George W. Priester
IPC分类号： G06F11/00 , G06F11/10 , G06F11/16 , G06F12/16
CPC分类号： G06F11/1076 , G06F3/061 , G06F3/064 , G06F3/0689 , G06F2211/1004
摘要： A system and method for dynamic redistribution of parity groups is described. The system and method for dynamic redistribution of parity groups operates on a computer storage system that includes a plurality of disk drives for storing parity groups. Each parity group includes storage blocks. The storage blocks include one or more data blocks and a parity block that is associated with the data blocks. Each of the storage blocks is stored on a separate disk drive such that no two storage blocks from a given parity set reside on the same disk drive. The computer system further includes a redistribution module to dynamically redistribute parity groups by combining some parity groups to improve storage efficiency.

8. 发明授权

US07054927B2 File system metadata describing server directory information 有权
标题翻译：描述服务器目录信息的文件系统元数
公开(公告)号：US07054927B2
公开(公告)日：2006-05-30
申请号：US10060920
申请日：2002-01-29
申请人： Thomas R. Ulrich , James R. Schweitzer , Gregory D. Bolstad , Jay G. Randall , John R. Staub , George W. Priester
发明人： Thomas R. Ulrich , James R. Schweitzer , Gregory D. Bolstad , Jay G. Randall , John R. Staub , George W. Priester
IPC分类号： G06F15/14 , G06F12/00
CPC分类号： G06F17/30067 , Y10S707/99943
摘要： A computer network file system is described. The computer network file system includes first metadata, which is managed primarily by a first file server that is operably connected to a network fabric. The first metadata includes first file location information, and the first file location information includes at least one server id. The computer network file system also includes second metadata, which is managed primarily by a second file server that is operably connected to a network fabric. The second metadata includes second file location information, and the second file location information includes at least one server id. The first metadata and the second metadata are configured to allow a requester to locate files that are stored by the first file server and files that are stored by the second file server in a directory structure that spans the first file server and the second file server.
摘要翻译：描述了计算机网络文件系统。计算机网络文件系统包括主要由可操作地连接到网络结构的第一文件服务器管理的第一元数据。第一元数据包括第一文件位置信息，并且第一文件位置信息包括至少一个服务器ID。计算机网络文件系统还包括主要由可操作地连接到网络结构的第二文件服务器管理的第二元数据。第二元数据包括第二文件位置信息，第二文件位置信息包括至少一个服务器ID。第一元数据和第二元数据被配置为允许请求者将由第一文件服务器存储的文件和由第二文件服务器存储的文件定位在跨越第一文件服务器和第二文件服务器的目录结构中。

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