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1. 发明授权

US06360330B1 System and method for backing up data stored in multiple mirrors on a mass storage subsystem under control of a backup server 失效
标题翻译：用于在备份服务器的控制下备份存储在大容量存储子系统上的多个镜像中的数据的系统和方法
公开(公告)号：US06360330B1
公开(公告)日：2002-03-19
申请号：US09052318
申请日：1998-03-31
申请人： Madhav Mutalik , John Deshayes , Ananthan Pillai , Ajay Shekhar , Benoit J. Merlet , Faith M. Senie
发明人： Madhav Mutalik , John Deshayes , Ananthan Pillai , Ajay Shekhar , Benoit J. Merlet , Faith M. Senie
IPC分类号： H02H305
CPC分类号： G06F11/1466 , G06F11/2069 , Y10S707/99933 , Y10S707/99953
摘要： A backup server controls the backing up of data stored on a mass storage subsystem in response to a backup request from a host identifying data to be backed up during a backup operation, the mass storage subsystem storing data in a plurality of mirrored copies. The backup server comprises a discovery module, a preparation module, an execution module and a clean-up module. The discovery module receives the backup request and identifies, during a discovery phase, at least one storage location on the mass storage subsystem on which data to be backed up during the backup operation is stored. The preparation module, during a preparation phase following the discovery phase, enables the mass storage subsystem to sever one of said mirrored copies and make it available to backup server for the backup operation. In addition, prior to enabling the mass storage subsystem to sever one of the mirrored copies, the preparation module will notify the host, which will stop operating in connection with the data from the mass storage subsystem, and after the mirrored copy has been severed, the preparation module will so notify the host so that it can resume operating in connection with data from at least one of the other copies. The execution module, during the execution phase, enables the mass storage subsystem to retrieve data from the at least one storage location and transfer the retrieved data to the backup server to facilitate backup storage. The clean-up module, during a clean-up phase following the execution phase, verifies that the data to be backed up has been stored in backup storage and enable the mass storage subsystem to re-synchronize the mirrored copies. The backup server also performs a restore operation in response to a restore request from the host.
摘要翻译：响应来自主机的备份请求，备份服务器控制存储在大容量存储子系统中的数据的备份，该备份请求在备份操作期间识别待备份的数据，大容量存储子系统将数据存储在多个镜像副本中。备份服务器包括发现模块，准备模块，执行模块和清理模块。发现模块接收备份请求，并在发现阶段期间识别大容量存储子系统上的至少一个存储位置，在该存储子系统上存储备份操作期间要备份的数据。准备模块在发现阶段之后的准备阶段，使大容量存储子系统能够切断所述镜像副本之一，并使备用服务器可用于备份操作。此外，在使大容量存储子系统能够切断镜像副本之前，准备模块将通知主机，其将停止与大容量存储子系统的数据相关的操作，并且在镜像拷贝被切断之后，准备模块将这样通知主机，使得它可以恢复与至少一个其他副本的数据相关的操作。执行模块在执行阶段期间使大容量存储子系统能够从至少一个存储位置检索数据，并将所检索的数据传送到备份服务器以便于备份存储。清理模块在执行阶段之后的清理阶段，会验证要备份的数据是否已经存储在备份存储器中，并使大容量存储子系统能够重新同步镜像副本。备份服务器还会执行恢复操作以响应来自主机的恢复请求。

2. 发明授权

US6161111A System and method for performing file-handling operations in a digital data processing system using an operating system-independent file map 失效
标题翻译：在使用与操作系统无关的文件映射的数字数据处理系统中执行文件处理操作的系统和方法
公开(公告)号：US6161111A
公开(公告)日：2000-12-12
申请号：US52356
申请日：1998-03-31
申请人： Madhav Mutalik , Faith M. Senie
发明人： Madhav Mutalik , Faith M. Senie
IPC分类号： G06F3/06 , G06F17/30
CPC分类号： G06F3/0619 , G06F3/0613 , G06F3/0643 , G06F3/065 , G06F3/0689 , G06F17/30067 , G06Q20/108 , Y10S707/99956
摘要： A file management system is disclosed for managing files stored on a mass storage subsystem in response to file management commands. The mass storage subsystem stores data on at least one storage device, said storage device including a series of blocks. The file management system comprises an operating system-independent file map, a file management command receiver module, and a file management command execution module. The operating system-independent file map stores information identifying, for each file, block information identifying blocks on which the file is stored. The file management command receiver module receives a file management command. The file management command execution module executes the file management command in relation to the operating system-independent file map.
摘要翻译：公开了一种文件管理系统，用于响应于文件管理命令管理存储在大容量存储子系统中的文件。大容量存储子系统将数据存储在至少一个存储设备上，所述存储设备包括一系列块。文件管理系统包括与操作系统无关的文件映射，文件管理命令接收器模块和文件管理命令执行模块。与操作系统无关的文件映射存储识别对于每个文件的块信息，用于识别存储该文件的块的块信息。文件管理命令接收模块接收文件管理命令。文件管理命令执行模块相对于与操作系统无关的文件映射执行文件管理命令。

3. 发明授权

US6029166A System and method for generating an operating system-independent file map 失效
标题翻译：用于生成与操作系统无关的文件映射的系统和方法
公开(公告)号：US6029166A
公开(公告)日：2000-02-22
申请号：US52209
申请日：1998-03-31
申请人： Madhav Mutalik , Faith M. Senie
发明人： Madhav Mutalik , Faith M. Senie
IPC分类号： G06F3/06 , G06F11/14 , G06F17/30
CPC分类号： G06F3/0689 , G06F11/1456 , G06F11/1458 , G06F3/0619 , G06F3/0643 , G06F3/065 , G06F3/0613 , Y10S707/99933 , Y10S707/99953
摘要： An operating system-independent file map generator generates an operating system-independent map of a file stored on a mass storage subsystem, the mass storage subsystem including at least one storage device, the at least one storage device including a series of blocks, and the file being stored on a least device extent comprising at least one block. The generator comprises a file identifier receiver, a query module and a file map entry generator. The file identifier receiver receives a file identifier for the file. The query module queries a volume manager to obtain disk extent information for the file identified by the file identifier, the disk extent information identifying the at least one extent. The file map entry generator generates a file map entry for the file map for the file, the file map entry including the disk extent information obtained by the query module.
摘要翻译：操作系统独立的文件映射生成器生成存储在大容量存储子系统上的文件的与操作系统无关的映射，大容量存储子系统包括至少一个存储设备，该至少一个存储设备包括一系列块，并且文件被存储在包括至少一个块的至少设备范围上。该生成器包括文件标识符接收器，查询模块和文件映射条目生成器。文件标识符接收器接收文件的文件标识符。查询模块查询卷管理器以获得由文件标识符标识的文件的磁盘扩展信息，该盘扩展信息标识至少一个范围。文件映射条目生成器生成用于该文件的文件映射的文件映射条目，该文件映射条目包括由查询模块获得的盘扩展信息。

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