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1. 发明授权

US07814128B2 Multi-volume file support 有权
标题翻译：多卷文件支持
公开(公告)号：US07814128B2
公开(公告)日：2010-10-12
申请号：US10449739
申请日：2003-05-30
申请人： Charles H. Silvers , Ronald S. Karr , John A. Colgrove
发明人： Charles H. Silvers , Ronald S. Karr , John A. Colgrove
IPC分类号： G06F17/30
CPC分类号： G06F3/0643 , G06F3/0605 , G06F3/0614 , G06F3/0631 , G06F3/0683 , G06F17/30067
摘要： A computer accessible medium comprises instructions which, when executed, receive a request to allocate one or more blocks for a file. At least one allocation policy is assigned to the file, wherein the allocation policy specifies one or more storage units on which the blocks are to be allocated. Additionally, if more than one storage unit is specified, the allocation policy includes a control indication indicating a mechanism for selecting among the storage units. The instructions, when executed, may also allocate blocks according to the allocation policy. In another implementation, a computer accessible medium comprises instructions which, when executed receive a request to allocate one or more blocks for a file in a filesystem and allocate blocks according to an allocation policy. Allocation policies are specifiable at two or more levels of granularity in the filesystem.
摘要翻译：计算机可访问介质包括指令，当被执行时，其接收到为文件分配一个或多个块的请求。至少一个分配策略被分配给文件，其中分配策略指定要在其上分配块的一个或多个存储单元。另外，如果指定了多于一个存储单元，则分配策略包括指示用于在存储单元之间进行选择的机制的控制指示。指令执行时也可以根据分配策略分配块。在另一实现中，计算机可访问介质包括指令，当被执行时接收到对文件系统中的文件分配一个或多个块的请求并根据分配策略分配块。分配策略可以在文件系统中的两个或多个粒度级别进行指定。

2. 发明授权

US07293154B1 System and method for optimizing storage operations by operating only on mapped blocks 有权
标题翻译：通过仅对映射块进行操作来优化存储操作的系统和方法
公开(公告)号：US07293154B1
公开(公告)日：2007-11-06
申请号：US10992370
申请日：2004-11-18
申请人： Ronald S. Karr , Michael Root , Charles H. Silvers , Deepak Tawri , Anurag Choudhary
发明人： Ronald S. Karr , Michael Root , Charles H. Silvers , Deepak Tawri , Anurag Choudhary
IPC分类号： G06F12/00
CPC分类号： G06F11/2082 , G06F11/2071 , G06F11/2097 , G06F2201/82
摘要： A system for optimizing storage operations by operating only on mapped blocks may include a first and a second set of one or more storage devices, a virtual device client and a virtual device server. The virtual device server may be configured to aggregate storage in the first set of one or more storage devices into a virtual storage device, and make the virtual device accessible to the virtual device server. In preparation for a synchronization operation, the virtual device server may obtain a map identifying one or more in-use regions of the virtual storage device from the virtual device client. The virtual device server may then perform the synchronization operation by copying the one or more in-use regions of the virtual storage device to the second set of one or more storage devices.
摘要翻译：通过仅对映射块进行操作来优化存储操作的系统可以包括一个或多个存储设备的第一和第二组，虚拟设备客户端和虚拟设备服务器。虚拟设备服务器可以被配置为将第一组一个或多个存储设备中的存储聚合到虚拟存储设备中，并使虚拟设备可以被虚拟设备服务器访问。为了准备同步操作，虚拟设备服务器可以从虚拟设备客户端获得识别虚拟存储设备的一个或多个使用中的区域的映射。然后，虚拟设备服务器可以通过将虚拟存储设备的一个或多个使用中的区域复制到一个或多个存储设备的第二组来执行同步操作。

3. 发明授权

US07421554B2 Coordinated storage management operations in replication environment 有权
标题翻译：复制环境中的协调存储管理操作
公开(公告)号：US07421554B2
公开(公告)日：2008-09-02
申请号：US11589334
申请日：2006-10-30
申请人： John A. Colgrove , Ronald S. Karr , Oleg Kiselev
发明人： John A. Colgrove , Ronald S. Karr , Oleg Kiselev
IPC分类号： G06F12/00
CPC分类号： G06F11/2064 , G06F11/1471 , G06F11/2071 , G06F2201/82 , G06F2201/84 , Y10S707/99953 , Y10S707/99955
摘要： A method, system, computer system, and computer-readable medium for maintaining up-to-date, consistent copies of primary data without the need to replicate modified data when the data were modified as a result of an operation that is not an application-driven write operation captured during replication. Selected storage management operations are performed on the primary and secondary data stores at points in time when the data are the same to ensure that the data stored within the data stores remain consistent. These selected storage management operations include operations that produce modified data stored in the primary data store, where a portion of the modified data are not replicated to a secondary node. Other types of storage management operations are selected to be performed on both the primary and secondary data stores, where the operations do not directly change data in the primary data store, but may affect data stored in the primary data store.
摘要翻译：一种方法，系统，计算机系统和计算机可读介质，用于在数据作为不是应用程序的操作的结果被修改时，维护主数据的最新，一致的副本，而不需要复制修改的数据。复制期间捕获的驱动写入操作。所选择的存储管理操作在数据相同的时间点在主数据存储和次数据存储器上执行，以确保存储在数据存储器中的数据保持一致。这些选择的存储管理操作包括产生存储在主数据存储中的修改数据的操作，其中修改的数据的一部分不被复制到辅助节点。其他类型的存储管理操作被选择在主数据存储和辅助数据存储器上执行，其中操作不直接改变主数据存储器中的数据，而是可能影响存储在主数据存储器中的数据。

4. 发明授权

US07313724B1 Method and apparatus for synchronizing redundant data with a volume 有权
标题翻译：用于使冗余数据与卷同步的方法和装置
公开(公告)号：US07313724B1
公开(公告)日：2007-12-25
申请号：US10882631
申请日：2004-07-01
申请人： Anand A. Kekre , John A. Colgrove , Oleg Kiselev , Ronald S. Karr
发明人： Anand A. Kekre , John A. Colgrove , Oleg Kiselev , Ronald S. Karr
IPC分类号： G06F11/00
CPC分类号： G06F11/2082 , G06F11/1451 , G06F11/2071
摘要： Various embodiments of systems and methods are disclosed for initially synchronizing redundant data (e.g., a mirror, a replica, or a set of parity information) with an original volume. State information identifies which regions of the original volume are currently valid, and only valid regions of the original volume are used to generate the values of the redundant data during the initial synchronization. For example, if the redundant data is a set of parity information, synchronizing the redundant data involves calculating one or more parity values based on the valid regions of the volume. If the redundant data is a duplicate copy (e.g., a mirror or replica) of the volume, synchronizing the redundant data involves copying the valid regions of the volume to the duplicate copy of the volume. If the original volume includes any invalid regions, unnecessary copying and/or processing for those regions can be avoided during the initial synchronization.
摘要翻译：公开了用于使冗余数据（例如，镜像，副本或一组奇偶校验信息）与原始卷同步的系统和方法的各种实施例。状态信息确定原始卷的哪些区域当前是有效的，并且只有原始卷的有效区域用于在初始同步期间生成冗余数据的值。例如，如果冗余数据是一组奇偶校验信息，则同步冗余数据涉及基于该体积的有效区域来计算一个或多个奇偶校验值。如果冗余数据是卷的重复副本（例如，镜像或副本），则同步冗余数据涉及将卷的有效区域复制到卷的副本。如果原始卷包括任何无效区域，则可以在初始同步期间避免对这些区域的不必要的复制和/或处理。

5. 发明授权

US07310714B2 Method and apparatus for creating a virtual data copy 有权
标题翻译：用于创建虚拟数据副本的方法和装置
公开(公告)号：US07310714B2
公开(公告)日：2007-12-18
申请号：US10769317
申请日：2004-01-30
申请人： Anand A. Kekre , John A. Colgrove , Oleg Kiselev , Ronald S. Karr , Niranjan S. Pendharkar
发明人： Anand A. Kekre , John A. Colgrove , Oleg Kiselev , Ronald S. Karr , Niranjan S. Pendharkar
IPC分类号： G06F12/00
CPC分类号： G06F11/1446 , G06F11/1471 , G06F2201/815 , G06F2201/84
摘要： A virtual copy of data stored in a first memory is created in a second memory. Creating the virtual copy includes, in one embodiment, creating first and second tables in memory each one of which comprises a plurality of multibit entries. Each entry of the first table corresponds to a respective memory region of the first memory. Each entry of the second table corresponds to a respective memory region of the second memory. The first bit of the first and second tables indicates whether the corresponding memory region of the first and second memories, respectively, contains valid data. The second bit of the first and second tables indicates whether data in the corresponding memory region of the first and second memories, respectively, has been modified since the creation of the first and second tables, respectively.
摘要翻译：在第二存储器中创建存储在第一存储器中的数据的虚拟副本。在一个实施例中，创建虚拟副本包括在内存中创建第一和第二表，其中每个表包括多个多位条目。第一表的每个条目对应于第一存储器的相应存储区域。第二表的每个条目对应于第二存储器的相应存储区域。第一和第二表的第一位分别指示第一和第二存储器的相应存储区域是否包含有效数据。第一和第二表的第二位分别表示自第一和第二表的创建以来分别在第一和第二存储器的相应存储器区域中的数据是否被修改。

6. 发明授权

US07143260B2 Intermediate descriptions of intent for storage allocation 有权
标题翻译：存储分配意图的中间描述
公开(公告)号：US07143260B2
公开(公告)日：2006-11-28
申请号：US10327535
申请日：2002-12-20
申请人： Chirag Deepak Dalal , Vaijayanti Rakshit Bharadwaj , Pradip Madhukar Kulkarni , Ronald S. Karr , John A. Colgrove
发明人： Chirag Deepak Dalal , Vaijayanti Rakshit Bharadwaj , Pradip Madhukar Kulkarni , Ronald S. Karr , John A. Colgrove
IPC分类号： G06F12/00
CPC分类号： G06F3/0631 , G06F3/0605 , G06F3/067
摘要： A method, system, and computer program product to enable a user to specify an intended use for a logical volume. The logical volume is configured using an application-specific template (also referred to as a user template) for an application, where the application-specific template satisfies the intended use. Rules from the application-specific template are stored with the logical volume in addition to or as part of the intent.
摘要翻译：一种使用户能够指定逻辑卷的预期用途的方法，系统和计算机程序产品。逻辑卷使用特定于应用程序的模板（也称为用户模板）为应用程序进行配置，其中应用程序特定模板满足预期用途。来自应用程序特定模板的规则除了意图的一部分还是作为意图的一部分与逻辑卷一起存储。

7. 发明授权

US06912631B1 Method and apparatus for restoring a corrupted data volume 有权
标题翻译：恢复损坏的数据量的方法和装置
公开(公告)号：US06912631B1
公开(公告)日：2005-06-28
申请号：US10254753
申请日：2002-09-25
申请人： Anand A. Kekre , John A. Colgrove , Oleg Kiselev , Ronald S. Karr
发明人： Anand A. Kekre , John A. Colgrove , Oleg Kiselev , Ronald S. Karr
IPC分类号： G06F11/14 , G06F13/00
CPC分类号： G06F11/1469 , G06F11/1471 , G06F2201/84
摘要： Disclosed is a method and apparatus for restoring a corrupted data volume. In one embodiment, the method includes creating a backup copy of the data volume before the data volume is corrupted. Data transactions that modify the contents of the data volume are stored in a transaction log. After detection of the data corruption, a virtual copy of the backup copy is created. Thereafter, select data transactions stored in the transaction log, are applied to the virtual copy. Data of the corrupted data volume is then overwritten with data of the backup copy and data of the virtual copy after applying data transactions to the virtual copy.
摘要翻译：公开了一种用于恢复损坏的数据量的方法和装置。在一个实施例中，该方法包括在数据卷被破坏之前创建数据卷的备份副本。修改数据卷内容的数据事务存储在事务日志中。检测到数据损坏后，会创建备份副本的虚拟副本。此后，选择存储在事务日志中的数据事务，将其应用于虚拟副本。在将虚拟副本应用数据事务之后，数据卷的数据将被备份副本的数据和虚拟副本的数据覆盖。

8. 发明授权

US07523139B1 Volume server and volume owner communication protocol in a distributed storage management system 有权
标题翻译：分布式存储管理系统中的卷服务器和卷所有者通信协议
公开(公告)号：US07523139B1
公开(公告)日：2009-04-21
申请号：US10838164
申请日：2004-05-03
申请人： Ankur A. Kemkar , Rajesh Bhalerao , John A. Colgrove , Ronald S. Karr , Oleg Kiselev
发明人： Ankur A. Kemkar , Rajesh Bhalerao , John A. Colgrove , Ronald S. Karr , Oleg Kiselev
IPC分类号： G06F17/30
CPC分类号： G06F3/064 , G06F3/0613 , G06F3/0619 , G06F3/0667 , G06F3/0689 , G06F11/1435 , G06F11/1456 , G06F11/1464 , G06F11/1469 , G06F11/1471 , G06F11/2064 , G06F11/2082 , G06F2201/82 , G06F2201/84
摘要： A system, method, and medium provide communication between a volume server and a volume owner in a distributed storage management system. A volume server may manage configuration information for a particular volume of storage. A volume owner may manage input/output (I/O) for the volume. The volume server may lease the configuration information to the volume owner using a communications protocol. The communications protocol comprises a plurality of operations for management of the lease. The volume owner may use the configuration information to manage the I/O for the volume.
摘要翻译：系统，方法和介质在分布式存储管理系统中提供卷服务器和卷所有者之间的通信。卷服务器可以管理特定卷存储的配置信息。卷所有者可以管理卷的输入/输出（I / O）。卷服务器可以使用通信协议将配置信息租给卷所有者。通信协议包括用于管理租赁的多个操作。卷所有者可以使用配置信息来管理卷的I / O。

9. 发明授权

US07340640B1 System and method for recoverable mirroring in a storage environment employing asymmetric distributed block virtualization 有权
标题翻译：在采用非对称分布式块虚拟化的存储环境中可恢复镜像的系统和方法
公开(公告)号：US07340640B1
公开(公告)日：2008-03-04
申请号：US10838162
申请日：2004-05-03
申请人： Ronald S. Karr , Kalaivani Arumugham , John A. Colgrove , Poonam Dhavale
发明人： Ronald S. Karr , Kalaivani Arumugham , John A. Colgrove , Poonam Dhavale
IPC分类号： G06F11/00
CPC分类号： G06F3/064 , G06F3/0613 , G06F3/0619 , G06F3/0667 , G06F3/0689 , G06F11/1435 , G06F11/1456 , G06F11/1464 , G06F11/1469 , G06F11/1471 , G06F11/2064 , G06F11/2082 , G06F2201/82 , G06F2201/84
摘要： Systems and methods for performing recoverable mirroring in a storage environment employing asymmetrically distributed block virtualization. In one embodiment, the system may include a volume server, a first and a second host computer system, and a plurality of physical block devices. The volume server may be configured to aggregate storage in the plurality of physical block devices into a plurality of logical volumes, where a particular logical volume includes storage from at least two physical block devices, to make a first subset of the logical volumes available to the first host computer system for input/output, and to make a second subset of the logical volumes available to the second host computer system for input/output. The first subset and the second subset may be at least partially nonoverlapping, a given logical volume may be configured as a mirrored logical volume including a plurality of copies of a given data block.
摘要翻译：在采用不对称分布的块虚拟化的存储环境中执行可恢复镜像的系统和方法。在一个实施例中，系统可以包括卷服务器，第一和第二主计算机系统以及多个物理块设备。卷服务器可以被配置为将多个物理块设备中的存储聚合成多个逻辑卷，其中特定逻辑卷包括来自至少两个物理块设备的存储，以使逻辑卷的第一子集可用于用于输入/输出的第一主机计算机系统，并且使第二主机计算机系统的第二子逻辑卷可用于输入/输出。第一子集和第二子集可以至少部分地不重叠，给定逻辑卷可以被配置为包括给定数据块的多个副本的镜像逻辑卷。

10. 发明授权

US07330858B1 Coordinated distributed logging in a multi-host environment 有权
标题翻译：在多主机环境中协调分布式日志记录
公开(公告)号：US07330858B1
公开(公告)日：2008-02-12
申请号：US10610393
申请日：2003-06-30
申请人： Ronald S. Karr , Oleg Kiselev , John A. Colgrove
发明人： Ronald S. Karr , Oleg Kiselev , John A. Colgrove
IPC分类号： G06F17/30
CPC分类号： G06F3/0656 , G06F3/0611 , G06F3/067 , G06F11/1471
摘要： Various systems and methods for performing coordinated distributed write logging are provided. A method may involve one of several hosts, each of which has an associated log, requesting permission to perform a write to data in a storage volume from a coordinator. The coordinator coordinates access to the storage volume between the hosts. Prior to receipt of a response from the coordinator granting permission to perform the write to the storage volume, the host may initiate logging the write data for the write to a respective log. The host may signal completion of the write to an application that initiated the write in response to both logging the write data to the respective log and receiving the response from the coordinator. The host may perform one or more underlying block operations to update the storage volume according to the write subsequent to signaling completion of the write to the application that initiated the write.
摘要翻译：提供了用于执行协调分布式写入记录的各种系统和方法。一种方法可以涉及几个主机之一，每个主机具有关联的日志，请求从协调器执行对存储卷中的数据的写入的许可。协调器协调对主机之间的存储卷的访问。在收到协调员给予执行对存储卷的写入的许可的响应之前，主机可以启动将写入数据记录到相应的日志。主机可以响应于将写入数据记录到相应的日志并且从协调器接收响应而发起写入的应用程序的写入完成。主机可以执行一个或多个底层块操作，以根据对发起写入的应用的写入的信令完成之后的写入更新存储卷。

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