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1. 发明授权

US07962531B2 Multiple concurrent active file systems 有权
标题翻译：多个并发活动文件系统
公开(公告)号：US07962531B2
公开(公告)日：2011-06-14
申请号：US12698223
申请日：2010-02-02
申请人： David Hitz , John K. Edwards , Blake H. Lewis
发明人： David Hitz , John K. Edwards , Blake H. Lewis
IPC分类号： G06F17/30
CPC分类号： G06F17/30067 , G06F2201/84 , Y10S707/99931 , Y10S707/99938 , Y10S707/99952 , Y10S707/99953
摘要： A method and apparatus for operating a data storage system is disclosed. An original active file system holds incoming write transactions. Data is written at a selected time to blocks in a data storage device of the original active file system, the data written to blocks which do not hold old data of the data storage system. Pointers to data of the original active file system are written at the selected time to the data storage device, the pointers written to blocks which do not hold old data of the data storage system, the pointers and a previously saved data of the active file system forming a consistency point of the original active file system at the selected time. A new active file system is started using the consistency point of the original active file system at the selected time.
摘要翻译：公开了一种用于操作数据存储系统的方法和装置。原始活动文件系统保存传入的写入事务。在选定的时间写入数据以在原始活动文件系统的数据存储装置中阻塞数据，该数据被写入不保存数据存储系统的旧数据的块。原始活动文件系统的数据指针在选定的时间被写入数据存储装置，指针写入不保存数据存储系统的旧数据的块，指针和活动文件系统之前保存的数据在选定的时间形成原始活动文件系统的一致性点。在所选择的时间，使用原始活动文件系统的一致性点启动新的活动文件系统。

2. 发明申请

US20120179891A1 EXTENSION OF WRITE ANYWHERE FILE SYSTEM LAYOUT 有权
标题翻译：写入任何文件系统布局的扩展
公开(公告)号：US20120179891A1
公开(公告)日：2012-07-12
申请号：US13351017
申请日：2012-01-16
申请人： John K. Edwards , Blake H. Lewis , Robert M. English , Eric Hamilton , Peter F. Corbett
发明人： John K. Edwards , Blake H. Lewis , Robert M. English , Eric Hamilton , Peter F. Corbett
IPC分类号： G06F12/10
CPC分类号： G06F3/0689 , G06F3/0619 , G06F3/0665 , G06F17/30233
摘要： A file system layout apportions an underlying physical volume into one or more virtual volumes (vvols) of a storage system. The underlying physical volume is an aggregate comprising one or more groups of disks, such as RAID groups, of the storage system. The aggregate has its own physical volume block number (pvbn) space and maintains metadata, such as block allocation structures, within that pvbn space. Each vvol has its own virtual volume block number (vvbn) space and maintains metadata, such as block allocation structures, within that vvbn space. Notably, the block allocation structures of a vvol are sized to the vvol, and not to the underlying aggregate, to thereby allow operations that manage data served by the storage system (e.g., snapshot operations) to efficiently work over the vvols.
摘要翻译：文件系统布局将底层物理卷分配到存储系统的一个或多个虚拟卷（vvols）中。底层物理卷是包含存储系统的一组或多组磁盘（如RAID组）的聚合。聚合具有自己的物理卷块数（pvbn）空间，并在该pvbn空间内维护诸如块分配结构之类的元数据。每个vvol具有自己的虚拟卷块号（vvbn）空间，并在该vvbn空间内维护诸如块分配结构的元数据。值得注意的是，vvol的块分配结构的大小适合于vvol，而不是基础聚合，从而允许管理由存储系统服务的数据（例如，快照操作）的操作有效地在vvols上工作。

3. 发明授权

US07698306B2 System and method for parallelized replay of an NVRAM log in a storage appliance 有权
标题翻译：存储设备中NVRAM日志并行重放的系统和方法
公开(公告)号：US07698306B2
公开(公告)日：2010-04-13
申请号：US11796687
申请日：2007-04-27
申请人： Steven S. Watanabe , John K. Edwards , Blake H. Lewis
发明人： Steven S. Watanabe , John K. Edwards , Blake H. Lewis
IPC分类号： G06F17/30
CPC分类号： G06F11/1471 , G06F11/1441
摘要： A system and method for enabling parallel replay of a backup memory log of client transaction request entries to a network storage appliance file system is provided. The backup memory is typically implemented as a non-volatile random access memory (NVRAM). An initiator establishes a swarm of messages with a plurality of transaction blocks pointing to logged request entries and related states associated therewith. The states represent the various phases of file system recovery and disk storage including a retrieval of disk information (data and meta-data), typically in the form of a LOAD, and a subsequent modify phase. The swarm is transferred to the file system for parallel disk information-retrieval in an interleaved process. Any transactions that cannot be performed due to a required prerequisite action (e.g. a prior file-create) are returned to the initiator for reloading once the prerequisite action has occurred.
摘要翻译：提供了一种用于使客户机事务请求条目的备份存储器日志平行重放到网络存储设备文件系统的系统和方法。备用存储器通常被实现为非易失性随机存取存储器（NVRAM）。发起者建立一组消息，其中多个事务块指向与其相关联的记录的请求条目和相关状态。这些状态表示文件系统恢复和磁盘存储的各个阶段，包括通常以LOAD的形式和随后的修改阶段检索磁盘信息（数据和元数据）。在交织过程中，群集被传送到文件系统以进行并行盘信息检索。一旦出现先决条件操作，任何由于必需的先决条件操作（例如先前的文件创建）而无法执行的事务都将返回给启动器进行重新加载。

4. 发明授权

US08099576B1 Extension of write anywhere file system layout 有权
标题翻译：扩展写任意文件系统布局
公开(公告)号：US08099576B1
公开(公告)日：2012-01-17
申请号：US12185552
申请日：2008-08-04
申请人： John K. Edwards , Blake H. Lewis , Robert M. English , Eric Hamilton , Peter F. Corbett
发明人： John K. Edwards , Blake H. Lewis , Robert M. English , Eric Hamilton , Peter F. Corbett
IPC分类号： G06F12/00
CPC分类号： G06F3/0689 , G06F3/0619 , G06F3/0665 , G06F17/30233
摘要： An underlying physical volume of a storage system is an aggregate having a plurality of storage devices. The aggregate has its own physical volume block number (pvbn) space. A file system layout apportions the underlying physical volume into a plurality of virtual volumes of the storage system each having a virtual volume identification (vvid). Each virtual volume has its own virtual volume block number (vvbn) space. The block allocation structures of a virtual volume are sized to the virtual volume, and not to the underlying aggregate, to thereby allow operations that manage data served by the storage system (e.g., snapshot operations) to efficiently work over the virtual volumes. Each storage block in a virtual volume is identified by the triplet: pvbn, vvid, and vvbn.
摘要翻译：存储系统的基础物理卷是具有多个存储设备的聚合。聚合具有自己的物理块号（pvbn）空间。文件系统布局将底层物理卷分配到存储系统的多个虚拟卷中，每个虚拟卷具有虚拟卷标识（vvid）。每个虚拟卷都有自己的虚拟卷块号（vvbn）空间。虚拟卷的块分配结构的大小适合于虚拟卷，而不是基础聚合，从而允许管理由存储系统服务的数据（例如，快照操作）的操作以有效地在虚拟卷上工作。虚拟卷中的每个存储块由三元组：pvbn，vvid和vvbn标识。

5. 发明授权

US07937367B2 System and method for parallelized replay of an NVRAM log in a storage appliance 有权
标题翻译：存储设备中NVRAM日志并行重放的系统和方法
公开(公告)号：US07937367B2
公开(公告)日：2011-05-03
申请号：US12627779
申请日：2009-11-30
申请人： Steven S. Watanabe , John K. Edwards , Blake H. Lewis
发明人： Steven S. Watanabe , John K. Edwards , Blake H. Lewis
IPC分类号： G06F17/30
CPC分类号： G06F11/1471 , G06F11/1441
摘要： A system and method for operating a storage system is provided. A plurality of operating system transaction entries are stored in a log, and a swarm of messages with respect to the plurality of operating system transaction entries is established. The swarm of messages is delivered to an operating system of the storage system. A processor performs a parallel retrieval process for a plurality of messages in the swarm of messages by processing the plurality of messages in an arbitrary order without regard to an underlying order of the messages.
摘要翻译：提供了一种用于操作存储系统的系统和方法。多个操作系统交易条目被存储在日志中，并且建立了关于多个操作系统交易条目的一群消息。消息群发送到存储系统的操作系统。处理器通过以任意顺序处理多个消息而不考虑消息的基本顺序来对消息群中的多个消息执行并行检索处理。

6. 发明申请

US20100077406A1 SYSTEM AND METHOD FOR PARALLELIZED REPLAY OF AN NVRAM LOG IN A STORAGE APPLIANCE 有权
标题翻译：一种存储器具的NVRAM并行更新的系统和方法
公开(公告)号：US20100077406A1
公开(公告)日：2010-03-25
申请号：US12627779
申请日：2009-11-30
申请人： Steven S. Watanabe , John K. Edwards , Blake H. Lewis
发明人： Steven S. Watanabe , John K. Edwards , Blake H. Lewis
IPC分类号： G06F9/44
CPC分类号： G06F11/1471 , G06F11/1441
摘要： A system and method for operating a storage system is provided. A plurality of operating system transaction entries are stored in a log, and a swarm of messages with respect to the plurality of operating system transaction entries is established. The swarm of messages is delivered to an operating system of the storage system. A processor performs a parallel retrieval process for a plurality of messages in the swarm of messages by processing the plurality of messages in an arbitrary order without regard to an underlying order of the messages.
摘要翻译：提供了一种用于操作存储系统的系统和方法。多个操作系统交易条目被存储在日志中，并且建立了关于多个操作系统交易条目的一群消息。消息群发送到存储系统的操作系统。处理器通过以任意顺序处理多个消息而不考虑消息的基本顺序来对消息群中的多个消息执行并行检索处理。

7. 发明授权

US07409494B2 Extension of write anywhere file system layout 有权
标题翻译：扩展写任意文件系统布局
公开(公告)号：US07409494B2
公开(公告)日：2008-08-05
申请号：US10836817
申请日：2004-04-30
申请人： John K. Edwards , Blake H. Lewis , Robert M. English , Eric Hamilton , Peter F. Corbett
发明人： John K. Edwards , Blake H. Lewis , Robert M. English , Eric Hamilton , Peter F. Corbett
IPC分类号： G06F12/00
CPC分类号： G06F3/0689 , G06F3/0619 , G06F3/0665 , G06F17/30233
摘要： A file system layout apportions an underlying physical volume into one or more virtual volumes (vvols) of a storage system. The underlying physical volume is an aggregate comprising one or more groups of disks, such as RAID groups, of the storage system. The aggregate has its own physical volume block number (pvbn) space and maintains metadata, such as block allocation structures, within that pvbn space. Each vvol has its own virtual volume block number (vvbn) space and maintains metadata, such as block allocation structures, within that vvbn space. Notably, the block allocation structures of a vvol are sized to the vvol, and not to the underlying aggregate, to thereby allow operations that manage data served by the storage system (e.g., snapshot operations) to efficiently work over the vvols. The file system layout extends the file system layout of a conventional write anywhere file layout system implementation, yet maintains performance properties of the conventional implementation.
摘要翻译：文件系统布局将底层物理卷分配到存储系统的一个或多个虚拟卷（vvols）中。底层物理卷是包含存储系统的一组或多组磁盘（如RAID组）的聚合。聚合具有自己的物理卷块数（pvbn）空间，并在该pvbn空间内维护诸如块分配结构的元数据。每个vvol具有自己的虚拟卷块号（vvbn）空间，并在该vvbn空间内维护诸如块分配结构的元数据。值得注意的是，vvol的块分配结构的大小适合于vvol，而不是基础聚合，从而允许管理由存储系统服务的数据（例如，快照操作）的操作有效地在vvols上工作。文件系统布局扩展了常规写入任何文件布局系统实现的文件系统布局，但是保持了传统实现的性能特性。

8. 发明授权

US07249150B1 System and method for parallelized replay of an NVRAM log in a storage appliance 有权
标题翻译：存储设备中NVRAM日志并行重放的系统和方法
公开(公告)号：US07249150B1
公开(公告)日：2007-07-24
申请号：US09898894
申请日：2001-07-03
申请人： Steven S. Watanabe , John K. Edwards , Blake H. Lewis
发明人： Steven S. Watanabe , John K. Edwards , Blake H. Lewis
IPC分类号： G06F17/30
CPC分类号： G06F11/1471 , G06F11/1441
摘要： A system and method for enabling parallel replay of a backup memory log of client transaction request entries to a network storage appliance file system is provided. The backup memory is typically implemented as a non-volatile random access memory (NVRAM). An initiator establishes a swarm of messages with a plurality of transaction blocks pointing to logged request entries and related states associated therewith. The states represent the various phases of file system recovery and disk storage including a retrieval of disk information (data and meta-data), typically in the form of a LOAD, and a subsequent modify phase. The swarm is transferred to the file system for parallel disk information-retrieval in an interleaved process. Any transactions that cannot be performed due to a required prerequisite action (e.g. a prior file-create) are returned to the initiator for reloading once the prerequisite action has occurred.
摘要翻译：提供了一种用于使客户机事务请求条目的备份存储器日志平行重放到网络存储设备文件系统的系统和方法。备用存储器通常被实现为非易失性随机存取存储器（NVRAM）。发起者建立一组消息，其中多个事务块指向与其相关联的记录的请求条目和相关状态。状态表示文件系统恢复和磁盘存储的各个阶段，包括通常以LOAD形式的磁盘信息（数据和元数据）的检索以及随后的修改阶段。在交织过程中，群集被传送到文件系统以进行并行盘信息检索。一旦出现先决条件操作，任何由于必需的先决条件操作（例如先前的文件创建）而无法执行的事务都将返回给启动器进行重新加载。

9. 发明授权

US08583892B2 Extension of write anywhere file system layout 有权
标题翻译：扩展写任意文件系统布局
公开(公告)号：US08583892B2
公开(公告)日：2013-11-12
申请号：US13351017
申请日：2012-01-16
申请人： John K. Edwards , Blake H. Lewis , Robert M. English , Eric Hamilton , Peter F. Corbett
发明人： John K. Edwards , Blake H. Lewis , Robert M. English , Eric Hamilton , Peter F. Corbett
IPC分类号： G06F12/00
CPC分类号： G06F3/0689 , G06F3/0619 , G06F3/0665 , G06F17/30233
摘要： A file system layout apportions an underlying physical volume into one or more virtual volumes (vvols) of a storage system. The underlying physical volume is an aggregate comprising one or more groups of disks, such as RAID groups, of the storage system. The aggregate has its own physical volume block number (pvbn) space and maintains metadata, such as block allocation structures, within that pvbn space. Each vvol has its own virtual volume block number (vvbn) space and maintains metadata, such as block allocation structures, within that vvbn space. Notably, the block allocation structures of a vvol are sized to the vvol, and not to the underlying aggregate, to thereby allow operations that manage data served by the storage system (e.g., snapshot operations) to efficiently work over the vvols.
摘要翻译：文件系统布局将底层物理卷分配到存储系统的一个或多个虚拟卷（vvols）中。底层物理卷是包含存储系统的一组或多组磁盘（如RAID组）的聚合。聚合具有自己的物理卷块数（pvbn）空间，并在该pvbn空间内维护诸如块分配结构的元数据。每个vvol具有自己的虚拟卷块号（vvbn）空间，并在该vvbn空间内维护诸如块分配结构的元数据。值得注意的是，vvol的块分配结构的大小适合于vvol，而不是基础聚合，从而允许管理由存储系统服务的数据（例如，快照操作）的操作有效地在vvols上工作。

10. 发明授权

US08126935B2 System and method for enabling a storage system to support multiple volume formats simultaneously 有权
标题翻译：使存储系统能够同时支持多种卷格式的系统和方法
公开(公告)号：US08126935B2
公开(公告)日：2012-02-28
申请号：US12535256
申请日：2009-08-04
申请人： David Hitz , John K. Edwards
发明人： David Hitz , John K. Edwards
IPC分类号： G06F17/30 , G06F7/00
CPC分类号： G06F3/0689 , G06F3/0607 , G06F3/0643 , Y10S707/99956
摘要： A plurality of types of volumes are maintained, a volume being a logical arrangement of storage space on one or more data storage devices. A volume type field is used to designate the type of a particular volume, and a flexible volume paradigm is selected by the volume type field for interpreting data within a data structure written to a data storage device of the one or more data storage devices. A physical volume block number to virtual volume block number mapping pair (pvbn/vvbn pair) is designated by the volume type field, the pvbn/vvbn pair is used to translate a physical volume block number to a virtual volume block number. A request to write a data to a first block of the particular volume is received, a pvbn/vvbn pair is determined. The data is written to the physical block designated by the pvbn/vvbn pair.
摘要翻译：维持多种类型的卷，卷是一个或多个数据存储设备上的存储空间的逻辑排列。卷类型字段用于指定特定卷的类型，并且卷类型字段选择灵活的卷范例，用于解释写入一个或多个数据存储设备的数据存储设备的数据结构中的数据。虚拟卷块映射对（pvbn / vvbn对）的物理卷块号由卷类型字段指定，pvbn / vvbn对用于将物理卷块数转换为虚拟卷块号。接收将数据写入特定卷的第一块的请求，确定一个pvbn / vvbn对。数据被写入由ppv / vvbn对指定的物理块。

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