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41. 发明授权

US08775390B2 Managing dereferenced chunks in a deduplication system 有权
标题翻译：在重复数据删除系统中管理取消引用的块
公开(公告)号：US08775390B2
公开(公告)日：2014-07-08
申请号：US13477908
申请日：2012-05-22
申请人： Matthew J. Anglin , David M. Cannon , Colin S. Dawson , Robert S. Elder
发明人： Matthew J. Anglin , David M. Cannon , Colin S. Dawson , Robert S. Elder
IPC分类号： G06F17/00 , G06F17/30
CPC分类号： G06F17/30002 , G06F3/0608 , G06F3/0641 , G06F3/0673 , G06F17/3015
摘要： A chunk index has information on chunks in a storage space referenced in objects in the storage space. The chunk index includes a reference count for each chunk indicating a number of objects in which the chunk is referenced and a reference measurement representing a level of data object references to the chunk. One chunk is selected to remove from the storage space based on a criteria applied to the reference measurements of chunks having reference counts indicating that the chunks are not referenced in one object in the storage space.
摘要翻译：块索引具有关于存储空间中的对象中引用的存储空间中的块的信息。组块索引包括每个组块的引用计数，指示组块被引用的对象的数量，以及表示对组块的数据对象引用级别的参考测量。基于应用于具有参考计数的块的参考测量的标准，选择一个块以从存储空间中移除，指示块在存储空间中的一个对象中未被引用。

42. 发明授权

US08515914B2 Data retention using logical objects 失效
标题翻译：使用逻辑对象的数据保留
公开(公告)号：US08515914B2
公开(公告)日：2013-08-20
申请号：US13458669
申请日：2012-04-27
申请人： Matthew J. Anglin , Avishai H. Hochberg , Toby L. Marek , James P. Smith
发明人： Matthew J. Anglin , Avishai H. Hochberg , Toby L. Marek , James P. Smith
IPC分类号： G06F17/30
CPC分类号： G06F11/1448 , G06F11/1458
摘要： Various embodiments are provided for facilitation of data retention using logical objects. Following an operation creating a redundant copy of the data performed on a scheduled interval, a logical object containing a number of managed file versions, represented by a number of member objects for a recovery point, is created. The logical object is assigned a policy of a data retention policy construct associated with the recovery point. The logical object is adapted for reassignment between policies of the data retention policy construct associated with various recovery points. During the reassignment, the plurality of member objects representing the plurality of managed file versions are logically retained instead of performing a data copy operation to associate the plurality of managed file versions with another recovery point.
摘要翻译：提供了各种实施例，用于使用逻辑对象促进数据保留。在创建在计划的间隔上执行的数据的冗余副本的操作之后，创建包含多个受管文件版本的逻辑对象，由恢复点的多个成员对象表示。逻辑对象被分配与恢复点相关联的数据保留策略构造的策略。逻辑对象适用于与各种恢复点相关联的数据保留策略构造的策略之间的重新分配。在重新分配期间，表示多个管理文件版本的多个成员对象被逻辑地保留，而不是执行数据复制操作以将多个被管理文件版本与另一恢复点相关联。

43. 发明授权

US08495032B2 Policy based sharing of redundant data across storage pools in a deduplicating system 失效
标题翻译：基于策略的冗余数据在重复数据删除系统中跨存储池共享
公开(公告)号：US08495032B2
公开(公告)日：2013-07-23
申请号：US12243743
申请日：2008-10-01
申请人： Matthew J. Anglin , David M. Cannon
发明人： Matthew J. Anglin , David M. Cannon
IPC分类号： G06F17/00
CPC分类号： G06F3/0641 , G06F3/0604 , G06F3/067 , G06F11/1453
摘要： One aspect of the present invention includes enabling data chunks to be shared among different storage pools within a storage management system, according the use of deduplication and storage information kept at the system level, and applied with policy-based rules that define the scope of deduplication. In one embodiment, the parameters of performing deduplication are defined within the policy, particularly which of the plurality of storage pools allow deduplication to which other pools. Accordingly, a data object may be linked to deduplicated data chunks existent within other storage pools, and the transfer of a data object may occur by simply creating references to existing data chunks in other pools provided the policy allows the pool to reference chunks in these other pools. Additionally, a group of storage pools may be defined within the policy to perform a common set of deduplication activities across all pools within the group.
摘要翻译：本发明的一个方面包括根据使用在系统级别保存的重复数据删除和存储信息，使数据块在存储管理系统内的不同存储池之间共享，并且应用于定义重复数据删除范围的基于策略的规则。在一个实施例中，执行重复数据删除的参数在策略内被定义，特别是多个存储池中的哪一个允许重复数据删除到哪个其他池。因此，数据对象可以链接到其他存储池中存在的重复数据删除的数据块，并且数据对象的传输可以通过简单地创建对其他池中的现有数据块的引用而发生，只要该策略允许池在其他存储池中引用块游泳池。另外，策略内可以定义一组存储池，以便在组内的所有池上执行一组通用的重复数据删除活动。

44. 发明申请

US20130159645A1 DATA SELECTION FOR MOVEMENT FROM A SOURCE TO A TARGET 有权
标题翻译：从源头到目标的数据选择
公开(公告)号：US20130159645A1
公开(公告)日：2013-06-20
申请号：US13327571
申请日：2011-12-15
申请人： Matthew J. Anglin , David M. Cannon , Colin S. Dawson , Robert S. Elder
发明人： Matthew J. Anglin , David M. Cannon , Colin S. Dawson , Robert S. Elder
IPC分类号： G06F12/00
CPC分类号： G06F11/1453
摘要： In one aspect of the present description, in connection with storing a first deduplicated data object in a primary storage pool, described operations include determining the duration of time that the first data object has resided in the primary storage pool, and comparing the determined duration of time to a predetermined time interval. In addition, described operations include, after the determined duration of time meets or exceeds the predetermined time interval, determining if the first data object has an extent referenced by another data object, and determining whether to move the first data object from the primary storage pool to a secondary storage pool as a function of whether the first data object has an extent referenced by another data object after the determined duration of time meets or exceeds the predetermined time interval. Other features and aspects may be realized, depending upon the particular application.
摘要翻译：在本说明书的一个方面，结合将第一重复数据删除的数据对象存储在主存储池中，所描述的操作包括确定第一数据对象已经驻留在主存储池中的持续时间，以及将所确定的持续时间时间到预定的时间间隔。此外，所描述的操作包括在所确定的持续时间满足或超过预定时间间隔之后，确定第一数据对象是否具有由另一数据对象引用的范围，以及确定是否从主存储池移动第一数据对象作为在所确定的持续时间达到或超过预定时间间隔之后第一数据对象是否具有由另一数据对象引用的盘区的函数的次级存储池。可以根据具体应用实现其它特征和方面。

45. 发明申请

US20130054523A1 REPLICATION OF DATA OBJECTS FROM A SOURCE SERVER TO A TARGET SERVER 有权
公开(公告)号：US20130054523A1
公开(公告)日：2013-02-28
申请号：US13221670
申请日：2011-08-30
申请人： Matthew J. Anglin , David M. Cannon , Colin S. Dawson , Barry Fruchtman , Mark A. Haye , Howard N. Martin
发明人： Matthew J. Anglin , David M. Cannon , Colin S. Dawson , Barry Fruchtman , Mark A. Haye , Howard N. Martin
IPC分类号： G06F17/30
CPC分类号： G06F17/30575 , G06F17/30867
摘要： Data objects are replicated from a source storage managed by a source server to a target storage managed by a target server. A source list is built of objects at the source server to replicate to the target server. The target server is queried to obtain a target list of objects at the target server. A replication list is built indicating objects on the source list not included on the target list to transfer to the target server. For each object in the replication list, data for the object not already at the target storage is sent to the target server and metadata on the object is sent to the target server to cause the target server to include the metadata in an entry for the object in a target server replication database. An entry for the object is added to a source server replication database.

46. 发明申请

US20130054518A1 APPLYING REPLICATION RULES TO DETERMINE WHETHER TO REPLICATE OBJECTS 有权
标题翻译：申请复制规则，以确定是否要更改目标
公开(公告)号：US20130054518A1
公开(公告)日：2013-02-28
申请号：US13221691
申请日：2011-08-30
申请人： Matthew J. Anglin , David M. Cannon , Colin S. Dawson , Howard N. Martin
发明人： Matthew J. Anglin , David M. Cannon , Colin S. Dawson , Howard N. Martin
IPC分类号： G06F7/00 , G06F17/00
CPC分类号： G06F17/30575
摘要： A source server maintains a replication rule specifying a condition for a replication attribute and a replication action to take if the condition with respect to the replication attribute is satisfied, wherein the replication action indicates to include or exclude the object having an attribute value for the replication attribute that satisfies the condition. For each of the objects, the replication rule is applied by determining an attribute value of the object corresponding to the replication attribute in the replication rule and determining whether the determined attribute value satisfies the condition for the replication attribute defined in the determined replication rule. The replication action on the object in response to determining that the determined attribute value satisfies the condition for the replication attribute.
摘要翻译：如果满足关于复制属性的条件，则源服务器维护指定复制属性的条件的复制规则和复制动作，其中复制动作指示包括或排除具有复制属性值的对象属性满足条件。对于每个对象，通过确定与复制规则中的复制属性相对应的对象的属性值，并且确定所确定的属性值是否满足在所确定的复制规则中定义的复制属性的条件来应用复制规则。响应于确定所确定的属性值满足复制属性的条件，对对象的复制动作。

47. 发明授权

US08290915B2 Retrieval and recovery of data chunks from alternate data stores in a deduplicating system 失效
标题翻译：从重复数据删除系统中的备用数据存储中检索和恢复数据块
公开(公告)号：US08290915B2
公开(公告)日：2012-10-16
申请号：US12210879
申请日：2008-09-15
申请人： Matthew J. Anglin
发明人： Matthew J. Anglin
IPC分类号： G06F7/00 , G06F17/00
CPC分类号： G06F11/1453 , G06F11/1464 , G06F11/1469 , G06F11/2094
摘要： One aspect of the present invention includes retrieving and recovering data chunks from alternate data stores in a storage management system which utilizes deduplication. In one embodiment, deduplication information for data chunks of data objects is stored at a system-wide level to enable the transfer and access of data chunks stored among multiple storage pools. When a data object is accessed on a first storage pool that contains damaged or inaccessible data chunks, the undamaged and accessible chunks may be retrieved from the first storage pool, in addition to retrieving an undamaged copy of the damaged or inaccessible data chunks from alternate data storage pools. Thus, a complete data object can be retrieved or recovered with a combination of chunks from the first storage pool and other storage pools within the storage management system, without requiring the entire data object to be retrieved from a backup source.
摘要翻译：本发明的一个方面包括从利用重复数据删除的存储管理系统中的备用数据存储中检索和恢复数据块。在一个实施例中，用于数据块的数据对象的重复数据删除信息被存储在系统范围内以便能够传送和访问存储在多个存储池中的数据块。当在包含损坏或不可访问的数据块的第一个存储池上访问数据对象时，除了从备用数据中检索损坏或不可访问的数据块的未损坏副本之外，还可以从第一个存储池检索未损坏和可访问的块存储池。因此，可以使用来自存储管理系统中的第一存储池和其他存储池的块的组合来检索或恢复完整的数据对象，而不需要从备份源检索整个数据对象。

48. 发明申请

US20120233131A1 RESTORING DATA OBJECTS FROM SEQUENTIAL BACKUP DEVICES 有权
公开(公告)号：US20120233131A1
公开(公告)日：2012-09-13
申请号：US13479003
申请日：2012-05-23
申请人： Matthew J. Anglin , David M. Cannon , Avishai H. Hochberg , Mark L. Yakushev
发明人： Matthew J. Anglin , David M. Cannon , Avishai H. Hochberg , Mark L. Yakushev
IPC分类号： G06F17/30 , G06F15/16
CPC分类号： G06F17/3015 , G06F11/1453 , G06F11/1469
摘要： Provided are computer program product, system, and method for restoring deduplicated data objects from sequential backup devices. A server stores data objects of extents having deduplicated data in the at least one sequential backup device. The server receives from a client a request for data objects. The server determines extents stored in the at least one sequential backup device for the requested data objects. The server or client sorts the extents according to an order in which they are stored in the at least one sequential backup device to generate a sort list. The server retrieves the extents from the at least one sequential backup device according to the order in the sort list to access the extents sequentially from the sequential backup device in the order in which they were stored. The server returns the retrieved extents to the client and the client reconstructs the requested data objects from the received extents.

49. 发明申请

US20120158664A1 RESTORING DATA OBJECTS FROM SEQUENTIAL BACKUP DEVICES 有权
标题翻译：从顺序备份设备恢复数据对象
公开(公告)号：US20120158664A1
公开(公告)日：2012-06-21
申请号：US12972307
申请日：2010-12-17
申请人： Matthew J. Anglin , David M. Cannon , Avishai H. Hochberg , Mark L. Yakushev
发明人： Matthew J. Anglin , David M. Cannon , Avishai H. Hochberg , Mark L. Yakushev
IPC分类号： G06F17/00 , G06F17/30
CPC分类号： G06F17/3015 , G06F11/1453 , G06F11/1469
摘要： Provided are computer program product, system, and method for restoring deduplicated data objects from sequential backup devices. A server stores data objects of extents having deduplicated data in the at least one sequential backup device. The server receives from a client a request for data objects. The server determines extents stored in the at least one sequential backup device for the requested data objects. The server or client sorts the extents according to an order in which they are stored in the at least one sequential backup device to generate a sort list. The server retrieves the extents from the at least one sequential backup device according to the order in the sort list to access the extents sequentially from the sequential backup device in the order in which they were stored. The server returns the retrieved extents to the client and the client reconstructs the requested data objects from the received extents.
摘要翻译：提供的是用于从顺序备份设备恢复重复数据删除的数据对象的计算机程序产品，系统和方法。服务器将具有重复数据删除数据的盘区的数据对象存储在所述至少一个顺序备份设备中。服务器从客户端接收对数据对象的请求。服务器确定存储在所请求的数据对象的至少一个顺序备份设备中的区段。服务器或客户端根据它们存储在至少一个顺序备份设备中的顺序对扩展区进行排序以生成排序列表。服务器根据排序列表中的顺序从至少一个顺序备份设备中检索扩展数据块，以顺序备份设备按顺序从存储顺序访问扩展数据块。服务器将检索到的扩展区返回到客户端，客户机从接收到的扩展区重新构建所请求的数据对象。

50. 发明申请

US20100312751A1 DATA RETENTION USING LOGICAL OBJECTS 失效
标题翻译：数据保留使用逻辑对象
公开(公告)号：US20100312751A1
公开(公告)日：2010-12-09
申请号：US12480549
申请日：2009-06-08
申请人： Matthew J. ANGLIN , Avishai H. HOCHBERG , Toby L. MAREK , James P. SMITH
发明人： Matthew J. ANGLIN , Avishai H. HOCHBERG , Toby L. MAREK , James P. SMITH
IPC分类号： G06F12/00 , G06F12/16
CPC分类号： G06F11/1448 , G06F11/1458
摘要： Various embodiments are provided for facilitation of data retention using logical objects. Following an operation creating a redundant copy of the data performed on a scheduled interval, a logical object containing a number of managed file versions, represented by a number of member objects for a recovery point, is created. The logical object is assigned a policy of a data retention policy construct associated with the recovery point. The logical object is adapted for reassignment between policies of the data retention policy construct associated with various recovery points. During the reassignment, the plurality of member objects representing the plurality of managed file versions are logically retained instead of performing a data copy operation to associate the plurality of managed file versions with another recovery point.
摘要翻译：提供了各种实施例，用于使用逻辑对象促进数据保留。在创建在计划的间隔上执行的数据的冗余副本的操作之后，创建包含多个受管文件版本的逻辑对象，由恢复点的多个成员对象表示。逻辑对象被分配与恢复点相关联的数据保留策略构造的策略。逻辑对象适用于与各种恢复点相关联的数据保留策略构造的策略之间的重新分配。在重新分配期间，表示多个管理文件版本的多个成员对象被逻辑地保留，而不是执行数据复制操作以将多个被管理文件版本与另一恢复点相关联。

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