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1. 发明授权

US10585857B2 Creation of synthetic backups within deduplication storage system by a backup application 有权
公开(公告)号：US10585857B2
公开(公告)日：2020-03-10
申请号：US15816205
申请日：2017-11-17
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人： Lior Aronovich , Michael Hirsch , Yair Toaff
IPC分类号： G06F16/174 , G06F16/907 , G06F16/22 , G06F16/2455 , G06F11/14
摘要： Input backup data is deduplicated with data of a synthetic backup previously constructed by a deduplication storage system. A synthetic backup is constructed by processing metadata instructions provided by a backup application. Deduplication digests are calculated based on the data of the synthetic backup and the deduplication digests are stored in a digests index. When new backup data is processed, deduplication digests of the new data are calculated and searched in the digests index. Matching digests of previously constructed synthetic backups are located in the digests index. Each of the located matching digest references stored data are included in the synthetic backup, and the stored data is similar to the input backup data. Data matches are found in the input backup data and data in the synthetic backup.

2. 发明授权

US09665592B2 Controlling segment size distribution in hash-based deduplication 有权
公开(公告)号：US09665592B2
公开(公告)日：2017-05-30
申请号：US14727466
申请日：2015-06-01
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人： Michael Hirsch , Thomas S. Klein , Yair Toaff
IPC分类号： G06F7/00 , G06F17/00 , G06F17/30 , G06F3/06 , H03M7/30
CPC分类号： G06F17/30156 , G06F3/0608 , G06F3/0619 , G06F3/0641 , G06F3/0665 , G06F3/0689 , G06F17/30097 , G06F17/3033 , G06F2003/0692 , H03M7/3091
摘要： Segment sizes are controlled by setting the size of a segment boundary in a hash-based backup deduplication system in a distributed computing environment. A subsequence of size K of a sequence of characters S is set. Segment boundaries are set by using the sequence of the decreasingly restrictive logical tests if one of the sequence of the decreasingly restrictive logical tests returns a true value when applied on the sequence of characters S.

3. 发明授权

US09031921B2 Calculating deduplication digests for a synthetic backup by a deduplication storage system 有权
标题翻译：由重复数据删除存储系统计算合成备份的重复数据消除摘要
公开(公告)号：US09031921B2
公开(公告)日：2015-05-12
申请号：US13801785
申请日：2013-03-13
申请人： International Business Machines Corporation
发明人： Lior Aronovich , Michael Hirsch , Yair Toaff
IPC分类号： G06F7/00 , G06F11/14 , G06F17/30
CPC分类号： G06F17/30156 , G06F11/1453 , G06F17/3033 , G06F17/30489 , G06F17/30997
摘要： Input backup data is deduplicated with data of a synthetic backup previously constructed by a deduplication storage. A synthetic backup is constructed by processing metadata instructions provided by a backup application. Deduplication digests are calculated based on the data of the synthetic backup and the deduplication digests are stored in a digests index. When new backup data is processed, deduplication digests of the new data are calculated and searched in the digests index. Matching digests of previously constructed synthetic backups are located in the digests index. Each of the located matching digest references stored data are included in the synthetic backup, and the stored data is similar to the input backup data. Data matches are found in the input data and data in the synthetic backup.
摘要翻译：输入备份数据与先前由重复数据删除存储构建的合成备份的数据进行重复数据删除。通过处理由备份应用程序提供的元数据指令构建合成备份。重复数据消除摘要根据合成备份的数据计算，重复数据消除摘要存储在摘要索引中。当处理新的备份数据时，将在摘要索引中计算和搜索新数据的重复数据删除摘要。以前构建的合成备份的匹配摘要位于摘要索引中。每个匹配的摘要引用存储的数据都包含在合成备份中，并且存储的数据类似于输入的备份数据。数据匹配在合成备份中的输入数据和数据中找到。

4. 发明授权

US08943111B2 Managing global cache coherency in a distributed shared caching for clustered file systems 有权
标题翻译：在集群文件系统的分布式共享缓存中管理全局缓存一致性
公开(公告)号：US08943111B2
公开(公告)日：2015-01-27
申请号：US14132972
申请日：2013-12-18
申请人： International Business Machines Corporation
发明人： Lior Aronovich , Yair Toaff , Gil Paz , Ron Asher
IPC分类号： G06F17/30 , G06F12/08 , G06F21/62
CPC分类号： G06F21/6218 , G06F12/0802 , G06F12/0815 , G06F12/0828 , G06F12/084 , G06F17/3007 , G06F17/30091 , G06F17/30115 , G06F17/30132 , G06F17/30194 , G06F17/30203 , G06F17/30227 , G06F17/3048 , G06F2212/604
摘要： Systems. Methods, and Computer Program Products are provided for managing a global cache coherency in a distributed shared caching for a clustered file systems (CFS). The CFS manages access permissions to an entire space of data segments by using the DSM module. In response to receiving a request to access one of the data segments, a calculation operation is performed for obtaining most recent contents of one of the data segments. The calculation operation performs one of providing the most recent contents via communication with a remote DSM module which obtains the one of the data segments from an associated external cache memory, instructing by the DSM module to read from storage the one of the data segments, and determining that any existing contents of the one of the data segments in the local external cache are the most recent contents.
摘要翻译：系统。提供了方法和计算机程序产品，用于在群集文件系统（CFS）的分布式共享缓存中管理全局高速缓存一致性。 CFS通过使用DSM模块管理数据段的整个空间的访问权限。响应于接收到访问数据段之一的请求，执行用于获得数据段之一的最新内容的计算操作。计算操作执行通过与远程DSM模块的通信来提供最新内容之一，所述远程DSM模块从相关联的外部高速缓冲存储器获取数据段中的一个，由DSM模块指示从存储器读取数据段之一，以及确定本地外部高速缓存中的一个数据段的任何现有内容是最新的内容。

5. 发明授权

US09858286B2 Deduplicating input backup data with data of a synthetic backup previously constructed by a deduplication storage system 有权
公开(公告)号：US09858286B2
公开(公告)日：2018-01-02
申请号：US13801774
申请日：2013-03-13
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人： Lior Aronovich , Michael Hirsch , Yair Toaff
IPC分类号： G06F17/30 , G06F11/14
CPC分类号： G06F17/30156 , G06F11/1453 , G06F17/3033 , G06F17/30489 , G06F17/30997
摘要： Input backup data is deduplicated with data of a synthetic backup previously constructed by a deduplication storage system. A synthetic backup is constructed by processing metadata instructions provided by a backup application. Deduplication digests are calculated based on the data of the synthetic backup and the deduplication digests are stored in a digests index. When new backup data is processed, deduplication digests of the new data are calculated and searched in the digests index. Matching digests of previously constructed synthetic backups are located in the digests index. Each of the located matching digest references stored data are included in the synthetic backup, and the stored data is similar to the input backup data. Data matches are found in the input backup data and data in the synthetic backup.

6. 发明授权

US09852145B2 Creation of synthetic backups within deduplication storage system by a backup application 有权
公开(公告)号：US09852145B2
公开(公告)日：2017-12-26
申请号：US13801765
申请日：2013-03-13
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人： Lior Aronovich , Michael Hirsch , Yair Toaff
IPC分类号： G06F17/30 , G06F11/14
CPC分类号： G06F17/30156 , G06F11/1453 , G06F17/3033 , G06F17/30489 , G06F17/30997
摘要： A deduplication storage system and a backup application create a synthetic backup. Metadata instructions are provided to the deduplication storage system. Each of the metadata instructions specifies the data segment of an originating backup and a designated location of the data segment in the synthetic backup. A set of metadata instructions is transformed into a transformed set of metadata instructions.

7. 发明授权

US09697222B2 Creation of synthetic backups within deduplication storage system 有权
公开(公告)号：US09697222B2
公开(公告)日：2017-07-04
申请号：US13801756
申请日：2013-03-13
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人： Lior Aronovich , Michael Hirsch , Yair Toaff
IPC分类号： G06F7/00 , G06F17/00 , G06F17/30 , G06F11/14
CPC分类号： G06F17/30156 , G06F11/1453 , G06F17/3033 , G06F17/30489 , G06F17/30997
摘要： A deduplication storage system and a backup application create a synthetic backup. Metadata instructions are provided to the deduplication storage system. Each of the metadata instructions specifies the data segment of an originating backup and a designated location of the data segment in the synthetic backup. Each of the metadata instructions are processed by locating those data sub-segments in the deduplication storage system specified by the data segment in each of the metadata instructions, and creating metadata references to each of the data sub-segments and adding the metadata references to metadata of the synthetic backup being created.

8. 发明授权

US09436511B2 Full exploitation of parallel processors for data processing 有权
公开(公告)号：US09436511B2
公开(公告)日：2016-09-06
申请号：US14623919
申请日：2015-02-17
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人： Michael Hirsch , Shmuel T. Klein , Yair Toaff
IPC分类号： G06F9/46 , G06F9/50 , G06F9/48 , G06F17/30
CPC分类号： G06F9/5077 , G06F9/4881 , G06F9/5066 , G06F17/30303 , G06F17/30336 , G06F2209/485 , G06F2209/5012 , G06F2209/506 , Y02D10/22 , Y02D10/36
摘要： Exemplary method, system, and computer program product embodiments for full exploitation of parallel processors for data processing are provided. In one embodiment, by way of example only, a set of parallel processors is partitioned into disjoint subsets according to indices of the set of the parallel processors. The size of each of the disjoint subsets corresponds to a number of processors assigned to the processing of the data chunks at one of the layers. Each of the processors are assigned to different layers in different data chunks such that each of processors are busy and the data chunks are fully processed within a number of the time steps equal to the number of the layers. A transition function is devised from the indices of the set of the parallel processors at one time steps to the indices of the set of the parallel processors at a following time step.

9. 发明授权

US09002912B2 Managing global cache coherency in a distributed shared caching for clustered file systems 有权
公开(公告)号：US09002912B2
公开(公告)日：2015-04-07
申请号：US14132996
申请日：2013-12-18
申请人： International Business Machines Corporation
发明人： Lior Aronovich , Yair Toaff , Gil Paz , Ron Asher
IPC分类号： G06F17/30 , G06F12/08 , G06F21/62
CPC分类号： G06F21/6218 , G06F12/0802 , G06F12/0815 , G06F12/0828 , G06F12/084 , G06F17/3007 , G06F17/30091 , G06F17/30115 , G06F17/30132 , G06F17/30194 , G06F17/30203 , G06F17/30227 , G06F17/3048 , G06F2212/604
摘要： Systems. Methods, and Computer Program Products are provided for managing a global cache coherency in a distributed shared caching for a clustered file systems (CFS). The CFS manages access permissions to an entire space of data segments by using the DSM module. In response to receiving a request to access one of the data segments, a calculation operation is performed for obtaining most recent contents of one of the data segments. The calculation operation performs one of providing the most recent contents via communication with a remote DSM module which obtains the one of the data segments from an associated external cache memory, instructing by the DSM module to read from storage the one of the data segments, and determining that any existing contents of the one of the data segments in the local external cache are the most recent contents.

10. 发明授权

US10621142B2 Deduplicating input backup data with data of a synthetic backup previously constructed by a deduplication storage system 有权
公开(公告)号：US10621142B2
公开(公告)日：2020-04-14
申请号：US15825272
申请日：2017-11-29
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人： Lior Aronovich , Michael Hirsch , Yair Toaff
IPC分类号： G06F16/174 , G06F16/907 , G06F16/22 , G06F16/2455 , G06F11/14
CPC分类号： G06F16/1748 , G06F11/1453 , G06F16/2255 , G06F16/24556 , G06F16/907
摘要： Input backup data is deduplicated with data of a synthetic backup previously constructed by a deduplication storage system. A synthetic backup is constructed by processing metadata instructions provided by a backup application. Deduplication digests are calculated based on the data of the synthetic backup and the deduplication digests are stored in a digests index. When new backup data is processed, deduplication digests of the new data are calculated and searched in the digests index. Matching digests of previously constructed synthetic backups are located in the digests index. Each of the located matching digest references stored data are included in the synthetic backup, and the stored data is similar to the input backup data. Data matches are found in the input backup data and data in the synthetic backup.

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