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1. 发明授权

US07694191B1 Self healing file system 有权
标题翻译：自愈文件系统
公开(公告)号：US07694191B1
公开(公告)日：2010-04-06
申请号：US11772149
申请日：2007-06-30
申请人： Jean-Pierre Bono , John M. Hayden , Sairam Veeraswamy , Uresh K. Vahalia , Morgan A. Clark , Sachin Mullick
发明人： Jean-Pierre Bono , John M. Hayden , Sairam Veeraswamy , Uresh K. Vahalia , Morgan A. Clark , Sachin Mullick
IPC分类号： G06F11/00
CPC分类号： G06F11/1435 , G06F11/004 , G06F2211/104
摘要： A self healing file system is designed for proactive detection and containment of faults, errors, and corruptions, in order to enable in place (online) and non-intrusive recovery. For proactive fault detection, the file system maintains certain per-block metadata of each file system block. The per-block metadata includes a redundancy check, and for file system data blocks, an inode identifier, and an offset of the file system data block in the file including the file system data block. The redundancy check is used to detect and mark bad file system blocks. The inode identifier and offset is used for validating connectivity of the file system blocks to the inodes, and for tracing bad blocks to files that contain the bad blocks.
摘要翻译：自我修复文件系统设计用于主动检测和控制故障，错误和损坏，以实现（在线）和非侵入式恢复。对于主动故障检测，文件系统维护每个文件系统块的某些每块元数据。每块元数据包括冗余校验，以及文件系统数据块，节点标识符和文件系统数据块在包括文件系统数据块的文件中的偏移量。冗余检查用于检测和标记坏文件系统块。 inode标识符和偏移量用于验证文件系统块与索引节点的连通性，并将坏块跟踪到包含坏块的文件。

2. 发明授权

US07631155B1 Thin provisioning of a file system and an iSCSI LUN through a common mechanism 有权
标题翻译：通过通用机制精简配置文件系统和iSCSI LUN
公开(公告)号：US07631155B1
公开(公告)日：2009-12-08
申请号：US11772129
申请日：2007-06-30
申请人： Jean-Pierre Bono , John M. Hayden , Sairam Veeraswamy , Uresh K. Vahalia , Morgan A. Clark , Sachin Mullick , Saurabh Godbole
发明人： Jean-Pierre Bono , John M. Hayden , Sairam Veeraswamy , Uresh K. Vahalia , Morgan A. Clark , Sachin Mullick , Saurabh Godbole
IPC分类号： G06F12/00
CPC分类号： G06F3/0665 , G06F3/0608 , G06F3/067 , G06F11/1004 , G06F11/1435 , G06F11/1456 , G06F17/30138 , G06F2201/84 , G06F2211/1088 , Y10S707/99953 , Y10S707/99956
摘要： A container file system is built on a sparse metavolume for enhanced decoupling of logical storage from physical storage and for providing common supplementary storage services for iSCSI block access and for NFS or CIFS file system access. The container file system contains a production file system or iSCSI LUN and may also contain snapshot copies of the production file system or iSCSI LUN. The container file system manages storage space among the production file system or iSCSI LUN and its snapshot copies, and also improves fault containment. The sparse metavolume provides thin provisioning of the container file system. A slice map indicates whether or not each slice of logical storage in the sparse metavolume is provisioned with an associated configured slice of data storage.
摘要翻译：容器文件系统构建在稀疏元音体上，用于增强逻辑存储与物理存储的解耦，并为iSCSI块访问和NFS或CIFS文件系统访问提供常见的补充存储服务。容器文件系统包含生产文件系统或iSCSI LUN，并且还可能包含生产文件系统或iSCSI LUN的快照副本。容器文件系统管理生产文件系统或iSCSI LUN及其快照副本之间的存储空间，还可以改善故障控制。稀疏metavolume提供容器文件系统的精简配置。切片图表示稀疏元音中的每个切片的逻辑存储器是否具有关联的配置的数据存储片段。

3. 发明授权

US08285967B1 Method for on-demand block map generation for direct mapped LUN 有权
标题翻译：用于直接映射LUN的按需块映射生成方法
公开(公告)号：US08285967B1
公开(公告)日：2012-10-09
申请号：US12494688
申请日：2009-06-30
申请人： Sairam Veeraswamy , Morgan A. Clark
发明人： Sairam Veeraswamy , Morgan A. Clark
IPC分类号： G06F12/00 , G06F9/26 , G06F9/34 , G06F17/30
CPC分类号： G06F17/30091 , G06F17/30203
摘要： This invention is a system and a method for operating a storage server in a data network using a new architecture. The method of creating the partial block map allows the snapshot writes on a direct mapped file. The method of reading data or writing data to the file created in direct mapping state and later converted to partial mapping state responsive to a copy on first write request by a client allocates new indirect block when needed to store the reference to newly allocated data block. The method of reading data from or writing data to the file in partial mapping state involves checking the mapping bit to find if the indirect block is in direct mapping state.
摘要翻译：本发明是使用新架构在数据网络中操作存储服务器的系统和方法。创建部分块映射的方法允许在直接映射文件上进行快照写入。在由直接映射状态创建的文件中读取数据或将数据写入数据的方法随后由客户端响应于第一次写入请求时的副本而被转换成部分映射状态，当需要存储对新分配的数据块的引用时，分配新的间接块。在部分映射状态下从数据读取数据或向文件写入数据的方法包括检查映射位以查找间接块是否处于直接映射状态。

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