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1. 发明授权

US09959174B2 Storage checkpointing in a mirrored virtual machine system 有权
公开(公告)号：US09959174B2
公开(公告)日：2018-05-01
申请号：US13980908
申请日：2012-05-01
申请人： Carlos F. Fuente , James Mulcahy , William J. Scales
发明人： Carlos F. Fuente , James Mulcahy , William J. Scales
IPC分类号： G06F11/14 , G06F9/38 , G06F9/455 , G06F11/20
CPC分类号： G06F11/1435 , G06F9/3863 , G06F9/45533 , G06F11/1484 , G06F11/2023 , G06F11/2038 , G06F2201/82
摘要： A method and system are provided for storage checkpointing in a mirrored virtual machine system. The method includes a storage controller receiving a modifying operation to storage from a virtual machine and carrying out the modifying operation in a non-destructive manner by saving the modifying operation data to a checkpointing region of storage and preserving the stored previous data state. The method also includes receiving a checkpoint notification and committing modifying operation data from the checkpointing region and releasing the stored previous data state. If a failover notification is received, the storage controller rolls back the physical storage to match a checkpoint state.

2. 发明授权

US09047233B2 Source cleaning cascaded volumes using write and background copy indicators 有权
公开(公告)号：US09047233B2
公开(公告)日：2015-06-02
申请号：US13532687
申请日：2012-06-25
申请人： John P. Agombar , Christopher B. Beeken , Carlos F. Fuente
发明人： John P. Agombar , Christopher B. Beeken , Carlos F. Fuente
IPC分类号： G06F12/00 , G06F13/00 , G06F13/28 , G06F11/14
CPC分类号： G06F11/1458 , G06F11/1456
摘要： Various systems, processes, and products may be used to source clean cascaded volumes. In particular implementations, a system, process, and product for source cleaning cascaded volumes may include the ability to store a primary volume and a plurality of cascaded backup volumes. The system, process, and product may also include the ability to determine whether a write to one of the backup volumes is due to a background copy being made of another volume in the cascade and adjust a background copy indicator in a volume map for the backup volume if the write is due to a background copy and to determine whether a write to one of the backup volumes is due to a write to another volume in the cascade and adjust a write copy indicator in a volume map for the backup volume if the write is due to a write to another cascaded volume.

3. 发明授权

US08688937B2 Method for optimizing cleaning of maps in flashcopy cascades containing incremental maps 有权
标题翻译：用于优化包含增量图的闪光级联中的地图清洁的方法
公开(公告)号：US08688937B2
公开(公告)日：2014-04-01
申请号：US13432726
申请日：2012-03-28
申请人： John P. Agombar , Christopher B. E. Beeken , Carlos F. Fuente , William J. Scales
发明人： John P. Agombar , Christopher B. E. Beeken , Carlos F. Fuente , William J. Scales
IPC分类号： G06F12/16
CPC分类号： G06F3/065 , G06F3/0604 , G06F3/0689 , G06F11/1451 , G06F2201/84
摘要： A method for optimizing cleaning of maps in FlashCopy cascades includes determining whether a target disk of a map contains data unavailable to a downstream disk from an upstream disk in a FlashCopy cascade and detect whether the downstream disk has a copy of the data. Additionally, the method includes copying the data from the target disk to the downstream disk, if the target disk of the map contains data unavailable to the downstream disk from the upstream disk and the downstream disk does not have the copy of the data. Furthermore, the method includes copying the data from the target disk to the downstream disk, if the target disk of the map does not contain data unavailable to the downstream disk from the upstream disk or the downstream disk does have the copy of the data. Moreover, the method includes removing the map from the FlashCopy cascade.
摘要翻译：一种用于优化FlashCopy级联中的映射清理的方法包括确定地图的目标盘是否包含FlashCopy级联中的上游盘的下游盘不可用的数据，并检测下游盘是否具有数据副本。此外，该方法包括将数据从目标磁盘复制到下游磁盘，如果映射的目标磁盘包含来自上游磁盘的下游磁盘不可用的数据，而下游磁盘不具有数据副本。此外，如果地图的目标盘不包含来自上游盘的下游盘不可用的数据，或者下游盘确实具有数据的副本，则该方法包括将数据从目标盘复制到下游盘。此外，该方法包括从FlashCopy级联中移除地图。

4. 发明授权

US08341458B2 Controlling data consistency guarantees in storage apparatus 有权
标题翻译：控制存储设备中的数据一致性保证
公开(公告)号：US08341458B2
公开(公告)日：2012-12-25
申请号：US11181492
申请日：2005-07-14
申请人： Henry E. Butterworth , Carlos F. Fuente
发明人： Henry E. Butterworth , Carlos F. Fuente
IPC分类号： G10F11/00
CPC分类号： G06F11/2064 , G06F11/2071 , G06F2201/82 , G06F2201/835
摘要： An apparatus, method and computer program operable in a network controls consistency guarantees of a plurality of data copies in a storage apparatus, and includes: a lease control component for extending a lease to the storage apparatus; and a consistency freeze/thaw component responsive to a failure indication for initiating a consistency freeze action at the storage apparatus prior to expiration of the current group lease period. It may further include a timer component for waiting the apparatus for a predetermined period after the consistency freeze action, where the consistency freeze/thaw component is operable to initiate a thaw action at the storage apparatus.
摘要翻译：可在网络中操作的装置，方法和计算机程序控制存储装置中的多个数据副本的一致性保证，并且包括：用于将租约扩展到存储装置的租赁控制部件; 以及响应于在当前组租约期满之前在存储装置处发起一致性冻结动作的故障指示的一致性冻结/解冻组件。其还可以包括用于在一致性冻结动作之后等待设备预定时间的定时器部件，其中一致性冻结/解冻部件可操作以在存储装置处启动解冻动作。

5. 发明授权

US08230185B2 Method for optimizing cleaning of maps in FlashCopy cascades containing incremental maps 有权
标题翻译：在包含增量图的FlashCopy级联中优化地图清理的方法
公开(公告)号：US08230185B2
公开(公告)日：2012-07-24
申请号：US12247642
申请日：2008-10-08
申请人： John P. Agombar , Christopher B. E. Beeken , Carlos F. Fuente , William J. Scales
发明人： John P. Agombar , Christopher B. E. Beeken , Carlos F. Fuente , William J. Scales
IPC分类号： G06F12/16
CPC分类号： G06F3/065 , G06F3/0604 , G06F3/0689 , G06F11/1451 , G06F2201/84
摘要： A method implemented in a computer infrastructure having computer executable code having programming instructions tangibly embodied on a computer readable storage medium. The programming instructions are operable to determine whether a target disk of a map contains data unavailable to a downstream disk from an upstream disk in a FlashCopy cascade and detect whether the downstream disk has a copy of the data. Additionally, the programming instructions are operable to copy the data from the target disk to the downstream disk, if the target disk of the map contains data unavailable to the downstream disk from the upstream disk and the downstream disk does not have the copy of the data. Furthermore, the programming instructions are operable to refrain from copying the data from the target disk to the downstream disk, if the target disk of the map does not contain data unavailable to the downstream disk from the upstream disk or the downstream disk does have the copy of the data. Moreover, the programming instructions are operable to remove the map from the FlashCopy cascade.
摘要翻译：一种在具有计算机可执行代码的计算机基础结构中实现的方法，其具有有形地体现在计算机可读存储介质上的编程指令。编程指令可操作以确定映射的目标盘是否包含在FlashCopy级联中来自上游盘的下游盘不可用的数据，并且检测下游盘是否具有数据的副本。另外，编程指令可操作以将数据从目标磁盘复制到下游磁盘，如果映射的目标磁盘包含从上游磁盘向下游磁盘不可用的数据，而下游磁盘不具有数据副本。此外，如果地图的目标盘不包含来自上游盘的下游盘不可用的数据，或者下游盘确实具有副本，则编程指令可操作用于避免将数据从目标盘复制到下游盘的数据。此外，编程指令可操作以从FlashCopy级联中移除地图。

6. 发明授权

US08140814B2 Resource reclamation in data storage 有权
标题翻译：数据存储中的资源回收
公开(公告)号：US08140814B2
公开(公告)日：2012-03-20
申请号：US12515712
申请日：2007-11-08
申请人： John P. Agombar , Christopher B. Beeken , Carlos F. Fuente , Simon Walsh
发明人： John P. Agombar , Christopher B. Beeken , Carlos F. Fuente , Simon Walsh
IPC分类号： G06F12/02 , G06F12/00
CPC分类号： G06F17/30082 , G06F3/0608 , G06F3/0644 , G06F3/0652 , G06F3/0662 , G06F3/0683
摘要： Managing resource reclamation in data storage systems is provided. A volume deletion metadata recorder records metadata for one or more deleted volumes. A policy engine, responsive to a predetermined policy rule, applies the policy rule to the metadata. The policy engine initiates policy-controlled data storage space reclamation for the one or more deleted volumes. A volume reclaimer, responsive to the policy engine, reclaims data storage space from the one or more deleted volumes. A resource allocator allocates the data storage space to satisfy a minimum requirement for available zeroed extents that comprise a minimum requirement to satisfy needs of late allocated storage volumes.
摘要翻译：提供数据存储系统中的资源回收管理。卷删除元数据记录器记录一个或多个已删除卷的元数据。响应于预定策略规则的策略引擎将策略规则应用于元数据。策略引擎启动一个或多个已删除卷的策略控制的数据存储空间回收。响应于策略引擎的卷回收器从一个或多个已删除的卷回收数据存储空间。资源分配器分配数据存储空间以满足可用的零区段的最低要求，其包括满足晚分配存储卷需求的最低要求。

7. 发明授权

US08028113B2 Methods and systems for deadlock-free allocation of memory 失效
标题翻译：无死锁分配内存的方法和系统
公开(公告)号：US08028113B2
公开(公告)日：2011-09-27
申请号：US12192645
申请日：2008-08-15
申请人： Carlos F. Fuente , William J. Scales
发明人： Carlos F. Fuente , William J. Scales
IPC分类号： G06F12/02
CPC分类号： G06F13/28
摘要： Methods and systems for memory management. A method for memory management includes: maintaining a reference count for at least one first process associated with a portion of memory; maintaining a shared reference count for at least one second process associated with the portion of memory; and freeing the portion of memory when the shared reference count is decremented to zero.
摘要翻译：内存管理方法和系统一种用于存储器管理的方法包括：维护与一部分存储器相关联的至少一个第一进程的引用计数; 维持与所述部分存储器相关联的至少一个第二进程的共享引用计数; 并且当共享引用计数递减到零时释放存储器的部分。

8. 发明授权

US07669024B2 Storage system with multiple copy targeting 有权
标题翻译：具有多个复制目标的存储系统
公开(公告)号：US07669024B2
公开(公告)日：2010-02-23
申请号：US12062825
申请日：2008-04-04
申请人： Carlos F Fuente
发明人： Carlos F Fuente
IPC分类号： G06F12/16
CPC分类号： G06F11/1435 , G06F3/0611 , G06F3/065 , G06F3/0689 , G06F2201/84
摘要： A storage controller, cooperable with host computer apparatus, and a plurality of controlled storage apparatus, comprises a host write component operable to write a data object to a source data image at one of the plurality of controlled storage apparatus; a first copy component responsive to a first metadata state and operable to control copying of the data object to a first target data image at one of the plurality of controlled storage apparatus; a second copy component responsive to a second metadata state and operable to perform one of: controlling copying of the data object to a second target data image at one of the plurality of controlled storage apparatus; and causing the first copy component to perform copying of the second target data image to the first target data image.
摘要翻译：与主计算机装置配合的存储控制器和多个受控存储装置包括主机写入组件，可操作以将数据对象写入多个受控存储装置中的一个上的源数据图像; 响应于第一元数据状态并且可操作以控制数据对象的复制到多个受控存储设备中的一个的第一目标数据图像的第一复制组件; 响应于第二元数据状态的第二副本组件，可操作以执行以下操作之一：控制所述数据对象到所述多个受控存储装置中的一个上的第二目标数据图像的复制; 并且使得所述第一复制组件执行所述第二目标数据图像到所述第一目标数据图像的复制。

9. 发明申请

US20100042755A1 METHODS AND SYSTEMS FOR DEADLOCK-FREE ALLOCATION OF MEMORY 失效
标题翻译：无内存自由分配的方法和系统
公开(公告)号：US20100042755A1
公开(公告)日：2010-02-18
申请号：US12192645
申请日：2008-08-15
申请人： Carlos F. FUENTE , William J. SCALES
发明人： Carlos F. FUENTE , William J. SCALES
IPC分类号： G06F13/28 , G06F12/02 , G06F12/10
CPC分类号： G06F13/28
摘要： Methods and systems for memory management. A method for memory management includes: maintaining a reference count for at least one first process associated with a portion of memory; maintaining a shared reference count for at least one second process associated with the portion of memory; and freeing the portion of memory when the shared reference count is decremented to zero.
摘要翻译：内存管理方法和系统一种用于存储器管理的方法包括：维护与一部分存储器相关联的至少一个第一进程的引用计数; 维持与所述部分存储器相关联的至少一个第二进程的共享引用计数; 并且当共享引用计数递减到零时释放存储器的部分。

10. 发明授权

US07386695B2 Storage system with multiple copy targeting 失效
标题翻译：具有多个复制目标的存储系统
公开(公告)号：US07386695B2
公开(公告)日：2008-06-10
申请号：US11287691
申请日：2005-11-28
申请人： Carlos F. Fuente
发明人： Carlos F. Fuente
IPC分类号： G06F12/16
CPC分类号： G06F11/1435 , G06F3/0611 , G06F3/065 , G06F3/0689 , G06F2201/84
摘要： A storage controller, cooperable with host computer apparatus, and a plurality of controlled storage apparatus, comprises a host write component operable to write a data object to a source data image at one of the plurality of controlled storage apparatus; a first copy component responsive to a first metadata state and operable to control copying of the data object to a first target data image at one of the plurality of controlled storage apparatus; a second copy component responsive to a second metadata state and operable to perform one of: controlling copying of the data object to a second target data image at one of the plurality of controlled storage apparatus; and causing the first copy component to perform copying of the second target data image to the first target data image.
摘要翻译：与主计算机装置配合的存储控制器和多个受控存储装置包括主机写入组件，可操作以将数据对象写入多个受控存储装置中的一个上的源数据图像; 响应于第一元数据状态并且可操作以控制数据对象的复制到多个受控存储设备中的一个的第一目标数据图像的第一复制组件; 响应于第二元数据状态的第二副本组件，可操作以执行以下操作之一：控制所述数据对象到所述多个受控存储装置中的一个上的第二目标数据图像的复制; 并且使得所述第一复制组件执行所述第二目标数据图像到所述第一目标数据图像的复制。

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