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1. 发明授权

US11531641B2 Storage system deduplication with service level agreements 有权
公开(公告)号：US11531641B2
公开(公告)日：2022-12-20
申请号：US16189813
申请日：2018-11-13
申请人： QUEST SOFTWARE INC.
发明人： Goutham Rao , Ratna Manoj Bolla , Vinod Jayaraman
IPC分类号： G06F16/00 , G06F16/11 , G06F16/17 , G06F16/174
摘要： Mechanisms are provided for adjusting a configuration of data stored in a storage system. According to various embodiments, a storage module may be configured to store a configuration of data. A processor may be configured to identify an estimated performance level for the storage system based on a configuration of data stored on the storage system. The processor may also be configured to transmit an instruction to adjust the configuration of data on the storage system to meet the service level objective when the estimated performance level fails to meet a service level objective for the storage system.

2. 发明申请

US20180356983A1 DATA BLOCK MIGRATION 审中-公开
公开(公告)号：US20180356983A1
公开(公告)日：2018-12-13
申请号：US16006602
申请日：2018-06-12
申请人： QUEST SOFTWARE INC.
发明人： Vinod Jayaraman , Abhijit Dinkar , Mark Taylor , Goutham Rao , Michael E. Root , Murali Bashyam
IPC分类号： G06F3/06 , G06F17/30
CPC分类号： G06F3/0604 , G06F3/0608 , G06F3/0641 , G06F3/0643 , G06F3/0647 , G06F3/0667 , G06F3/067 , G06F17/30156 , G06F17/30194
摘要： Techniques and mechanisms are provided for migrating data blocks around a cluster during node addition and node deletion. Migration requires no downtime, as a newly added node is immediately operational while the data blocks are being moved. Blockmap files and deduplication dictionaries need not be updated.

3. 发明授权

US09996264B2 Data block migration 有权
公开(公告)号：US09996264B2
公开(公告)日：2018-06-12
申请号：US15220018
申请日：2016-07-26
申请人： QUEST SOFTWARE INC.
发明人： Vinod Jayaraman , Abhijit Dinkar , Mark Taylor , Goutham Rao , Michael E. Root , Murali Bashyam
IPC分类号： G06F12/00 , G06F13/00 , G06F13/28 , G06F3/06 , G06F17/30
CPC分类号： G06F3/0604 , G06F3/0608 , G06F3/0641 , G06F3/0643 , G06F3/0647 , G06F3/0667 , G06F3/067 , G06F17/30156 , G06F17/30194
摘要： Techniques and mechanisms are provided for migrating data blocks around a cluster during node addition and node deletion. Migration requires no downtime, as a newly added node is immediately operational while the data blocks are being moved. Blockmap files and deduplication dictionaries need not be updated.

4. 发明授权

US09753648B2 Fixed size extents for variable size deduplication segments 有权
公开(公告)号：US09753648B2
公开(公告)日：2017-09-05
申请号：US15018809
申请日：2016-02-08
申请人： Quest Software Inc.
发明人： Goutham Rao , Vinod Jayaraman
IPC分类号： G06F17/30 , G06F3/06
CPC分类号： G06F3/0608 , G06F3/0619 , G06F3/0641 , G06F3/065 , G06F3/067 , G06F17/30156
摘要： Mechanisms are provided for maintaining variable size deduplication segments using fixed size extents. Variable size segments are identified and maintained in a datastore suitcase. Duplicate segments need not be maintained redundantly but can be managed by updating reference counts associated with the segments in the datastore suitcase. Segments are maintained using fixed size extents. A minor increase in storage overhead removes the need for inefficient recompaction when a segment is removed from the datastore suitcase. Fixed size extents can be reallocated for storage of new segments.

5. 发明授权

US09613043B2 Object deduplication and application aware snapshots 有权
公开(公告)号：US09613043B2
公开(公告)日：2017-04-04
申请号：US14996608
申请日：2016-01-15
申请人： Quest Software Inc.
发明人： Goutham Rao , Eric Brueggemann , Carter George
IPC分类号： G06F17/30 , G06F17/27
CPC分类号： G06F17/30156 , G06F17/2705 , G06F17/30038 , G06F17/30088 , G06F17/30153 , G06F17/30203 , G06F17/30371
摘要： Embodiments deploy delayering techniques, and the relationships between successive versions of a rich-media file become apparent. With this, modified rich-media files suddenly present far smaller storage overhead as compared to traditional application-unaware snapshot and versioning implementations. Optimized file data is stored in suitcases. As a file is versioned, each new version of the file is placed in the same suitcase as the previous version, allowing embodiments to employ correlation techniques to enhance optimization savings.

6. 发明授权

US09594643B2 Handling restores in an incremental backup storage system 有权
标题翻译：在增量备份存储系统中处理恢复
公开(公告)号：US09594643B2
公开(公告)日：2017-03-14
申请号：US13786781
申请日：2013-03-06
申请人： Quest Software Inc.
发明人： Abhijit Dinkar , Goutham Rao , Vinod Jayaraman , Shekhar Pardeshi
IPC分类号： G06F17/30 , G06F11/14
CPC分类号： G06F11/1469 , G06F11/1451 , G06F11/1453
摘要： Techniques and mechanisms are provided for storing data in a backup storage system. According to various embodiments, a first blockmap in a backup storage system may be identified. The first blockmap may correspond with a first restore point. The first blockmap may identify a first plurality of data segments. Each of the first plurality of data segments may have associated therewith a respective storage location in the backup storage system. The first blockmap may be compared with a designated storage system state to identify a subset of the first plurality of data segments that each correspond with a respective matching data segment in the designated storage system state. A second blockmap may be stored in the backup storage system. The second blockmap may correspond with a second restore point. The second blockmap may include the identified subset of the first plurality of data segments.
摘要翻译：提供了用于将数据存储在备份存储系统中的技术和机制。根据各种实施例，可以识别备份存储系统中的第一块映射。第一块映射可以对应于第一恢复点。第一块映射可以标识第一多个数据段。第一多个数据段中的每一个可以与备份存储系统中的相应的存储位置相关联。可以将第一块映射与指定的存储系统状态进行比较，以识别每个与指定的存储系统状态中的相应匹配数据段对应的第一多个数据段的子集。第二个块映射可以存储在备份存储系统中。第二块映射可以对应于第二恢复点。第二块图可以包括所识别的第一多个数据段的子集。

7. 发明授权

US09600488B2 Heat indices for file systems and block storage 有权
公开(公告)号：US09600488B2
公开(公告)日：2017-03-21
申请号：US15067976
申请日：2016-03-11
申请人： Quest Software Inc.
发明人： Abhijit Dinkar , Vinod Jayaraman , Murali Bashyam , Goutham Rao
IPC分类号： G06F17/30 , G06F11/14 , H04L29/08
CPC分类号： G06F17/30091 , G06F11/1453 , G06F17/30138 , G06F17/30153 , G06F17/30156 , H04L67/1097
摘要： Techniques and mechanisms are provided to allow for selective optimization, including deduplication and/or compression, of portions of files and data blocks. Data access is monitored to generate a heat index for identifying sections of files and volumes that are frequently and infrequently accessed. These frequently used portions may be left non-optimized to reduce or eliminate optimization I/O overhead. Infrequently accessed portions can be more aggressively optimized.

8. 发明授权

US10929017B2 Data block migration 有权
公开(公告)号：US10929017B2
公开(公告)日：2021-02-23
申请号：US16006602
申请日：2018-06-12
申请人： QUEST SOFTWARE INC.
发明人： Vinod Jayaraman , Abhijit Dinkar , Mark Taylor , Goutham Rao , Michael E. Root , Murali Bashyam
IPC分类号： G06F12/00 , G06F13/00 , G06F3/06 , G06F16/182 , G06F16/174
摘要： Techniques and mechanisms are provided for migrating data blocks around a cluster during node addition and node deletion. Migration requires no downtime, as a newly added node is immediately operational while the data blocks are being moved. Blockmap files and deduplication dictionaries need not be updated.

9. 发明申请

US20180088824A1 FIXED SIZE EXTENTS FOR VARIABLE SIZE DEDUPLICATION SEGMENTS 审中-公开
公开(公告)号：US20180088824A1
公开(公告)日：2018-03-29
申请号：US15695979
申请日：2017-09-05
申请人： Quest Software Inc.
发明人： Goutham Rao , Vinod Jayaraman
IPC分类号： G06F3/06 , G06F17/30
CPC分类号： G06F3/0608 , G06F3/0619 , G06F3/0641 , G06F3/065 , G06F3/067 , G06F16/1748
摘要： Mechanisms are provided for maintaining variable size deduplication segments using fixed size extents. Variable size segments are identified and maintained in a datastore suitcase. Duplicate segments need not be maintained redundantly but can be managed by updating reference counts associated with the segments in the datastore suitcase. Segments are maintained using fixed size extents. A minor increase in storage overhead removes the need for inefficient recompaction when a segment is removed from the datastore suitcase. Fixed size extents can be reallocated for storage of new segments.

10. 发明授权

US09753937B2 File aware block level deduplication 有权
公开(公告)号：US09753937B2
公开(公告)日：2017-09-05
申请号：US13937150
申请日：2013-07-08
申请人： Quest Software Inc.
发明人： Micah Wilson , Parthiban Munusamy , Carter George , Murali Bashyam , Vinod Jayaraman , Goutham Rao
IPC分类号： G06F17/00 , G06F17/30 , G06F17/22 , G06F11/14
CPC分类号： G06F17/30156 , G06F11/1446 , G06F17/2247 , G06F17/30067 , G06F17/30575
摘要： A system provides file aware block level deduplication in a system having multiple clients connected to a storage subsystem over a network such as an Internet Protocol (IP) network. The system includes client components and storage subsystem components. Client components include a walker that traverses the namespace looking for files that meet the criteria for optimization, a file system daemon that rehydrates the files, and a filter driver that watches all operations going to the file system. Storage subsystem components include an optimizer resident on the nodes of the storage subsystem. The optimizer can use idle processor cycles to perform optimization. Sub-file compression can be performed at the storage subsystem.

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