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1. 发明申请

US20050144514A1 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：US20050144514A1
公开(公告)日：2005-06-30
申请号：US11018114
申请日：2004-12-21
申请人： Thomas Ulrich , James Schweitzer , Gregory Bolstad , Jay Randall , John Staub , Wilbur Priester
发明人： Thomas Ulrich , James Schweitzer , Gregory Bolstad , Jay Randall , John Staub , Wilbur 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.
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。

2. 发明申请

US20060173956A1 Directory information for managing data in network file system 审中-公开
标题翻译：用于管理网络文件系统中的数据的目录信息
公开(公告)号：US20060173956A1
公开(公告)日：2006-08-03
申请号：US11388402
申请日：2006-03-24
申请人： Thomas Ulrich , James Schweitzer , Gregory Bolstad , Jay Randall , John Staub , Wilbur Priester
发明人： Thomas Ulrich , James Schweitzer , Gregory Bolstad , Jay Randall , John Staub , Wilbur Priester
IPC分类号： G06F15/16 , G06F17/30 , G06F7/00
CPC分类号： G06F16/10 , 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 requestor 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。

3. 发明申请

US20060041718A1 Fault-tolerant computer network file systems and methods 审中-公开
标题翻译：容错计算机网络文件系统和方法
公开(公告)号：US20060041718A1
公开(公告)日：2006-02-23
申请号：US11238308
申请日：2005-09-29
申请人： Thomas Ulrich , James Schweitzer , Gregory Bolstad , Jay Randall , John Staub , Wilbur Priester
发明人： Thomas Ulrich , James Schweitzer , Gregory Bolstad , Jay Randall , John Staub , Wilbur Priester
IPC分类号： G06F12/14
CPC分类号： G06F16/10
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.
摘要翻译：描述了用于替换文件系统处理器（也称为热插拔）的系统和方法。系统和方法在容错网络文件系统上操作，所述容错网络文件系统包括可操作地连接到网络结构的第一文件服务器和可操作地连接到网络结构的第二文件服务器。容错网络文件系统包括可操作地耦合到第一文件服务器和第二文件服务器的第一磁盘阵列和可操作地耦合到第一文件服务器和第二文件服务器的第二磁盘阵列。第一个文件系统信息被加载到第一个文件服务器上。第一文件系统信息包括对第一元数据的建议改变的第一意图日志。第二个文件系统信息被加载到第二个文件服务器上。第二文件系统信息包括对第二元数据的建议改变的第二意图日志。第一文件服务器具有第二元数据的副本，并且第二文件服务器维护第一元数据的副本，从而允许第一文件服务器在第二文件服务器发生故障的情况下访问第二磁盘阵列上的文件。

4. 发明申请

US20060031287A1 Systems and methods for load balancing drives and servers 有权
标题翻译：用于负载平衡驱动器和服务器的系统和方法
公开(公告)号：US20060031287A1
公开(公告)日：2006-02-09
申请号：US11238405
申请日：2005-09-29
申请人： Thomas Ulrich , James Schweitzer , Gregory Bolstad , Jay Randall , John Staub
发明人： Thomas Ulrich , James Schweitzer , Gregory Bolstad , Jay Randall , John Staub
IPC分类号： G06F15/16 , G06F13/00 , G06F11/00
CPC分类号： H04L67/1014 , G06F9/5083 , G06F17/30067
摘要： A file system that balances the loading of filers and the capacity of drives that are associated with the filers is described. The file system includes a first disk drive that includes a first unused capacity and a second disk drive that includes a second unused capacity, wherein the second unused capacity is smaller than the first unused capacity. The file system further includes a first filer that is configured to fill requests from clients through access to at least the first disk drive. The file system further includes a second filer that is configured to fill requests from clients through access to at least the second disk drive. The second filer is configured to select an infrequently accessed file from the second disk drive and to push the infrequently accessed files to the first disk drive, thereby improving a balance of unused capacity between the first and second disk drives without substantially affecting a loading for each of the first and second filers.
摘要翻译：描述了平衡文件管理器的加载和与文件夹关联的驱动器的容量的文件系统。文件系统包括包括第一未使用容量的第一磁盘驱动器和包括第二未使用容量的第二磁盘驱动器，其中第二未使用容量小于第一未使用容量。文件系统还包括第一文件管理器，其被配置为通过访问至少第一磁盘驱动器来填充来自客户端的请求。文件系统还包括第二文件管理器，其被配置为通过访问至少第二磁盘驱动器来填充来自客户端的请求。第二文件管理器被配置为从第二磁盘驱动器选择不经常访问的文件，并且将不经常访问的文件推送到第一磁盘驱动器，从而改善第一和第二磁盘驱动器之间的未使用容量的平衡，而基本上不影响每个的第一和第二档案。

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