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1. 发明授权

US07139781B2 Managing filesystem versions 失效
标题翻译：管理文件系统版本
公开(公告)号：US07139781B2
公开(公告)日：2006-11-21
申请号：US10427391
申请日：2003-04-29
申请人： Jason C. Young , Rajagopal Ananthanarayanan , Randal C. Burns , Darrell D. E. Long , Robert M. Rees , Ralph A. Becker-Szendy , James J. Seeger , David M. Wolfe
发明人： Jason C. Young , Rajagopal Ananthanarayanan , Randal C. Burns , Darrell D. E. Long , Robert M. Rees , Ralph A. Becker-Szendy , James J. Seeger , David M. Wolfe
IPC分类号： G06F12/00 , G06F17/30
CPC分类号： G06F17/30067 , Y10S707/959 , Y10S707/99953 , Y10S707/99955
摘要： A system and method for managing logical versions of a filesystem made through a near-instantaneous copy process is provided. Each logical version of the filesystem, including the primary version, is assigned a unique epoch number or other identifying value, and each filesystem object is assigned two epoch numbers that define the space of logical versions for which the object exists. A list of all valid epoch numbers are maintained in a version table. The near-instantaneous creation of a logical version of the filesystem requires inserting a unique epoch number entry in the version table (106) and the next epoch number to the new logical version. An original state of the system is preserved through the use of a copy-on-write procedure for filesystem objects that are reference by that logical filesystem version (120). Accordingly, filesystem versions are maintained and original states of previous states of the logical filesystem versions are preserved.
摘要翻译：提供了一种用于管理通过近瞬时复制过程制成的文件系统的逻辑版本的系统和方法。文件系统的每个逻辑版本（包括主版本）都被分配一个唯一的历元编号或其他标识值，并为每个文件系统对象分配两个时代号，以定义对象所在的逻辑版本的空间。在版本表中维护所有有效时期编号的列表。文件系统的逻辑版本的即时即时创建需要在版本表（106）中插入唯一的时代号码条目，并将新的时代号码插入新的逻辑版本。通过对由该逻辑文件系统版本（120）引用的文件系统对象使用写时复制过程来保留系统的原始状态。因此，维护文件系统版本，并保留逻辑文件系统版本的先前状态的原始状态。

2. 发明授权

US07085909B2 Method, system and computer program product for implementing copy-on-write of a file 失效
标题翻译：用于实现文件复制的方法，系统和计算机程序产品
公开(公告)号：US07085909B2
公开(公告)日：2006-08-01
申请号：US10427403
申请日：2003-04-29
申请人： Rajagopal Ananthanarayanan , Ralph A. Becker-Szendy , Robert M. Rees , Randal C. Burns , Darrell D. E. Long , Jujjuri Venkateswararao , David M. Wolfe , Jason C. Young
发明人： Rajagopal Ananthanarayanan , Ralph A. Becker-Szendy , Robert M. Rees , Randal C. Burns , Darrell D. E. Long , Jujjuri Venkateswararao , David M. Wolfe , Jason C. Young
IPC分类号： G06F12/00
CPC分类号： G06F3/0613 , G06F3/0643 , G06F3/0656 , G06F3/067 , G06F12/10
摘要： Various copy-on-write implementations for a computing environment are presented. One copy-on-write implementation includes employing a read mapping table to perform a first virtual block to physical block mapping for use in reading a block of data of a file to be copy-on-written from physical storage for modification; and employing a different, write mapping table to perform a second virtual block to physical block mapping for use in writing a modified block of the file data to physical storage, wherein copy-on-write of the block of data is achieved using a single write operation. In another implementation, a distributed copy-on-write of a file for a client server environment is presented. This distributed copy-on-write includes performing, by a first client, copy-on-write of at least one block of data of the file to be copy-on-written, and performing, by a second client, copy-on-write of at least one other block of data of the file, wherein multiple clients perform the copy-on-write of the file.
摘要翻译：介绍了一种计算环境的各种写时复制实现方案。一个写时拷贝实现包括采用读取映射表来执行第一虚拟块以进行物理块映射，以便用于从物理存储器中读写要写入的文件的数据块进行修改; 并且使用不同的写入映射表来执行第二虚拟块以进行物理块映射以用于将修改的文件数据块写入物理存储器，其中使用单个写入实现数据块的写入操作。在另一个实现中，呈现了用于客户端服务器环境的文件的分布式写时复制。这种分布式写时写入包括由第一客户机执行要写入复制文件的至少一个数据块的写时复制，并且由第二客户端执行复制 - 写入文件的至少一个其他数据块，其中多个客户端执行文件的写时复制。

3. 发明授权

US07124131B2 Discipline for lock reassertion in a distributed file system 有权
标题翻译：在分布式文件系统中重新锁定的纪律
公开(公告)号：US07124131B2
公开(公告)日：2006-10-17
申请号：US10427035
申请日：2003-04-29
申请人： D. Scott Guthridge , Rajagopal Ananthanarayanan , Ralph A. Becker-Szendy , Robert M. Rees
发明人： D. Scott Guthridge , Rajagopal Ananthanarayanan , Ralph A. Becker-Szendy , Robert M. Rees
IPC分类号： G06F7/00 , G06F12/00 , G06F15/16
CPC分类号： G06F17/30194 , G06F17/30171 , Y10S707/99938 , Y10S707/99952
摘要： A method and system for asserting a lock in a distributed file system is provided. All distributed locks have a lease for a limited time period, wherein the lease may be renewed periodically. A lock manager data structure is provided to maintain mode compatibility of locks granted to different client nodes for the same object. The process of acquiring or reasserting a lock includes determining whether there are other valid locks in use, as well as whether a valid lock is in operation in a conflicting or compatible mode with a requested lock. A new lock lease may be granted and a lock lease which has expired may be reasserted if a conflicting lease is not present.
摘要翻译：提供了一种用于断言分布式文件系统中的锁的方法和系统。所有分布式锁具有有限时间段的租赁，其中可以周期性地更新租赁。提供了一个锁管理器数据结构，以保持为相同对象授予不同客户机节点的锁的模式兼容性。获取或重新设置锁的过程包括确定是否存在其他正在使用的有效锁，以及有效锁是否在与请求的锁的冲突或兼容模式下操作。如果不存在冲突的租约，则可以授予新的锁租赁，并且已经过期的锁租赁可能被重新生效。

4. 发明授权

US08289830B2 Storing data on fiber data storage media 失效
标题翻译：将数据存储在光纤数据存储介质上
公开(公告)号：US08289830B2
公开(公告)日：2012-10-16
申请号：US12639737
申请日：2009-12-16
申请人： Ralph A. Becker-Szendy , Winfried W. Wilcke
发明人： Ralph A. Becker-Szendy , Winfried W. Wilcke
IPC分类号： G11B7/00
CPC分类号： G11B7/003 , G11B7/00455
摘要： A method and apparatus for storing data is provided. One implementation involves providing a fiber medium for storing data, wherein the fiber medium has a characteristic configured to irreversibly change when exposed to write irradiation. The fiber medium is logically partitioned into cells along the length of the fiber medium. Data is stored in a cell of the fiber medium by exposing the cell to write irradiation to irreversibly change characteristic of the bulk of the cell.
摘要翻译：提供了一种用于存储数据的方法和装置。一种实施方式涉及提供用于存储数据的光纤介质，其中光纤介质具有被配置为在暴露于写入辐射时不可逆地改变的特性。纤维介质沿着纤维介质的长度在逻辑上分成细胞。通过使单元曝光来写入照射来不可逆地改变单元的大部分特征，将数据存储在光纤介质的单元中。

5. 发明申请

US20110302446A1 MONITORING LOST DATA IN A STORAGE SYSTEM 失效
标题翻译：监控存储系统中的数据丢失
公开(公告)号：US20110302446A1
公开(公告)日：2011-12-08
申请号：US13196904
申请日：2011-08-03
申请人： Ralph A. Becker-Szendy , Veera W. Deenadhayalan , D. Scott Guthridge , James C. Wyllie
发明人： Ralph A. Becker-Szendy , Veera W. Deenadhayalan , D. Scott Guthridge , James C. Wyllie
IPC分类号： G06F11/20
CPC分类号： G06F11/1076 , G06F2211/1007 , G06F2211/104 , G06F2211/109
摘要： A data validation method comprises associating a validation chunk with one or more data chunks stored on one or more storage mediums. The validation chunk comprises validation information for verifying whether data recorded in a subdivision of the one or more data chunks is lost. A request is received for an operation to be performed on first data stored in a first subdivision of a first data chunk from among said one or more data chunks. One or more portions of the validation information are examined to determine whether the data recorded in said first subdivision is deemed to be lost.
摘要翻译：数据验证方法包括将验证块与存储在一个或多个存储介质上的一个或多个数据块相关联。验证块包括用于验证记录在一个或多个数据块的细分中的数据是否丢失的验证信息。接收针对从所述一个或多个数据块中的第一数据块的第一细分中存储的第一数据执行的操作的请求。检查验证信息的一个或多个部分以确定记录在所述第一细分中的数据是否被认为丢失。

6. 发明申请

US20110141871A1 STORING DATA ON FIBER DATA STORAGE MEDIA 失效
标题翻译：存储光纤数据存储介质中的数据
公开(公告)号：US20110141871A1
公开(公告)日：2011-06-16
申请号：US12639737
申请日：2009-12-16
申请人： Ralph A. Becker-Szendy , Winfried W. Wilcke
发明人： Ralph A. Becker-Szendy , Winfried W. Wilcke
IPC分类号： G11B7/135
CPC分类号： G11B7/003 , G11B7/00455
摘要： A method and apparatus for storing data is provided. One implementation involves providing a fiber medium for storing data, wherein the fiber medium has a characteristic configured to irreversibly change when exposed to write irradiation. The fiber medium is logically partitioned into cells along the length of the fiber medium. Data is stored in a cell of the fiber medium by exposing the cell to write irradiation to irreversibly change characteristic of the bulk of the cell.
摘要翻译：提供了一种用于存储数据的方法和装置。一种实施方式涉及提供用于存储数据的光纤介质，其中光纤介质具有被配置为在暴露于写入辐射时不可逆地改变的特性。纤维介质沿着纤维介质的长度在逻辑上分成细胞。通过使单元曝光来写入照射来不可逆地改变单元的大部分特征，将数据存储在光纤介质的单元中。

7. 发明申请

US20120030425A1 PARITY DECLUSTERED STORAGE DEVICE ARRAY WITH PARTITION GROUPS 失效
标题翻译： PARITY DECLUSTER存储设备阵列与分组
公开(公告)号：US20120030425A1
公开(公告)日：2012-02-02
申请号：US12847798
申请日：2010-07-30
申请人： Ralph A. Becker-Szendy , Veera Deenadhayalan , D. Scott Guthridge , James Christopher Wyllie
发明人： Ralph A. Becker-Szendy , Veera Deenadhayalan , D. Scott Guthridge , James Christopher Wyllie
IPC分类号： G06F12/00
CPC分类号： G06F11/1076
摘要： This disclosure relates to parity declustered storage device arrays having partition groups. In an exemplary embodiment, the storage system includes a storage device array, such as disk array. Each storage device is divided into partitions. Each partition includes stripe units, such as hundreds or thousands of stripe units in exemplary embodiments. The storage system also includes a physical array controller coupled to the storage device array. In an exemplary embodiment, the array controller includes a partition group lookup table and stores and retrieves data and parity in the storage devices based on the partition group lookup table. In this exemplary embodiment, the array controller also includes a stripe lookup table and/or a log. In an exemplary embodiment, the partition group lookup table and the stripe lookup table take up less memory (e.g., by an order of magnitude) than a single-level stripe map conveying the same information.
摘要翻译：本公开涉及具有分区组的奇偶校验解聚存储设备阵列。在示例性实施例中，存储系统包括诸如磁盘阵列的存储设备阵列。每个存储设备分为几个分区。在示例性实施例中，每个分区包括条带单元，例如数百或数千个条带单元。存储系统还包括耦合到存储设备阵列的物理阵列控制器。在示例性实施例中，阵列控制器包括分区组查找表，并且基于分区组查找表来存储和检索存储设备中的数据和奇偶校验。在该示例性实施例中，阵列控制器还包括条带查找表和/或日志。在示例性实施例中，分区组查找表和条带查找表占用比传送相同信息的单级条带图更少的存储器（例如，一个数量级）。

8. 发明授权

US08751859B2 Monitoring lost data in a storage system 失效
标题翻译：监控存储系统中的丢失数据
公开(公告)号：US08751859B2
公开(公告)日：2014-06-10
申请号：US13196904
申请日：2011-08-03
申请人： Ralph A. Becker-Szendy , Veera W. Deenadhayalan , D. Scott Guthridge , James C. Wyllie
发明人： Ralph A. Becker-Szendy , Veera W. Deenadhayalan , D. Scott Guthridge , James C. Wyllie
IPC分类号： G06F11/00
CPC分类号： G06F11/1076 , G06F2211/1007 , G06F2211/104 , G06F2211/109
摘要： A data validation method comprises associating a validation chunk with one or more data chunks stored on one or more storage mediums. The validation chunk comprises validation information for verifying whether data recorded in a subdivision of the one or more data chunks is lost. A request is received for an operation to be performed on first data stored in a first subdivision of a first data chunk from among said one or more data chunks. One or more portions of the validation information are examined to determine whether the data recorded in said first subdivision is deemed to be lost.
摘要翻译：数据验证方法包括将验证块与存储在一个或多个存储介质上的一个或多个数据块相关联。验证块包括用于验证记录在一个或多个数据块的细分中的数据是否丢失的验证信息。接收针对从所述一个或多个数据块中的第一数据块的第一细分中存储的第一数据执行的操作的请求。检查验证信息的一个或多个部分以确定记录在所述第一细分中的数据是否被认为丢失。

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