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1. 发明授权

US08423520B2 Methods and apparatus for efficient compression and deduplication 有权
标题翻译：用于高效压缩和重复数据删除的方法和设备
公开(公告)号：US08423520B2
公开(公告)日：2013-04-16
申请号：US12624354
申请日：2009-11-23
申请人： Goutham Rao , Murali Bashyam , Vinod Jayaraman
发明人： Goutham Rao , Murali Bashyam , Vinod Jayaraman
IPC分类号： G06F17/30
CPC分类号： G06F17/30153 , G06F17/3015 , G06F17/30156
摘要： Mechanisms are provided for performing efficient compression and deduplication of data segments. Compression algorithms are learning algorithms that perform better when data segments are large. Deduplication algorithms, however, perform better when data segments are small, as more duplicate small segments are likely to exist. As an optimizer is processing and storing data segments, the optimizer applies the same compression context to compress multiple individual deduplicated data segments as though they are one segment. By compressing deduplicated data segments together within the same context, data reduction can be improved for both deduplication and compression. Mechanisms are applied to compensate for possible performance degradation.
摘要翻译：提供了用于执行数据段的有效压缩和重复数据删除的机制。压缩算法是在数据段较大时表现更好的学习算法。然而，当数据段很小时，重复数据删除算法的表现会更好，因为可能存在更多重复的小段。作为优化器处理和存储数据段，优化器应用相同的压缩上下文来压缩多个单独的重复数据删除的数据段，就像它们是一个段一样。通过在相同的上下文中将重复数据删除的数据段压缩在一起，可以对重复数据删除和压缩进行数据缩减。应用机制来补偿可能的性能下降。

2. 发明申请

US20110270810A1 METHODS AND APPARATUS FOR ACTIVE OPTIMIZATION OF DATA 有权
标题翻译：有效优化数据的方法和装置
公开(公告)号：US20110270810A1
公开(公告)日：2011-11-03
申请号：US13041282
申请日：2011-03-04
申请人： Abhijit Dinkar , Vinod Jayaraman , Murali Bashyam , Goutham Rao
发明人： Abhijit Dinkar , Vinod Jayaraman , Murali Bashyam , Goutham Rao
IPC分类号： G06F17/30
CPC分类号： G06F17/30091 , G06F11/1453 , G06F17/30138 , G06F17/30153 , G06F17/30156 , H04L67/1097
摘要： Techniques and mechanisms are provided to support live file optimization. Active I/O access to an optimization target is monitored during optimization. Active files need not be taken offline or made unavailable to an application during optimization and retain the ability to support file operations such as read, write, unlink, and truncate while an optimization engine performs deduplication and/or compression on active file ranges.
摘要翻译：提供技术和机制来支持实时文件优化。在优化期间监控对优化目标的活动I / O访问。在优化期间，活动文件不需要脱机或不可用于应用程序，并且在优化引擎对活动文件范围执行重复数据删除和/或压缩时，可以保留支持文件操作（如读取，写入，取消链接和截断）的能力。

3. 发明授权

US09201890B2 Storage optimization manager 有权
标题翻译：存储优化管理器
公开(公告)号：US09201890B2
公开(公告)日：2015-12-01
申请号：US13158292
申请日：2011-06-10
申请人： Vinod Jayaraman , Abhijit Dinkar , Mark Taylor , Goutham Rao , Michael E. Root , Murali Bashyam
发明人： Vinod Jayaraman , Abhijit Dinkar , Mark Taylor , Goutham Rao , Michael E. Root , Murali Bashyam
IPC分类号： 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 provide a storage optimization manager. Data may be optimized and maintained on various nodes in a cluster. Particular nodes may be overburdened while other nodes remain relatively unused. Techniques are provided to efficiently optimize data onto nodes to enhance operational efficiency. Data access requests for optimized data are monitored and managed to allow for intelligent maintenance of optimized data.
摘要翻译：技术和机制提供了存储优化管理器。可以在集群中的各种节点上优化和维护数据。特定节点可能负担过重，而其他节点保持相对未使用。提供了技术来有效地优化数据到节点上，以提高运营效率。监控和管理优化数据的数据访问请求，以便智能维护优化的数据。

4. 发明申请

US20120084527A1 DATA BLOCK MIGRATION 有权
标题翻译：数据块移动
公开(公告)号：US20120084527A1
公开(公告)日：2012-04-05
申请号：US13158289
申请日：2011-06-10
申请人： Vinod Jayaraman , Abhijit Dinkar , Mark Taylor , Goutham Rao , Michael E. Root , Murali Bashyam
发明人： Vinod Jayaraman , Abhijit Dinkar , Mark Taylor , Goutham Rao , Michael E. Root , Murali Bashyam
IPC分类号： G06F12/02
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.
摘要翻译：提供了技术和机制，用于在节点添加和节点删除期间围绕集群迁移数据块。迁移不需要停机，因为新增的节点在数据块被移动时立即运行。块映射文件和重复数据删除字典不需要更新。

5. 发明授权

US09400799B2 Data block migration 有权
标题翻译：数据块迁移
公开(公告)号：US09400799B2
公开(公告)日：2016-07-26
申请号：US13158289
申请日：2011-06-10
申请人： Vinod Jayaraman , Abhijit Dinkar , Mark Taylor , Goutham Rao , Michael E. Root , Murali Bashyam
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 , 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.
摘要翻译：提供了技术和机制，用于在节点添加和节点删除期间围绕集群迁移数据块。迁移不需要停机，因为新增的节点在数据块被移动时立即运行。块映射文件和重复数据删除字典不需要更新。

6. 发明申请

US20110125722A1 METHODS AND APPARATUS FOR EFFICIENT COMPRESSION AND DEDUPLICATION 有权
标题翻译：用于有效压缩和重复的方法和装置
公开(公告)号：US20110125722A1
公开(公告)日：2011-05-26
申请号：US12624354
申请日：2009-11-23
申请人： Goutham Rao , Murali Bashyam , Vinod Jayaraman
发明人： Goutham Rao , Murali Bashyam , Vinod Jayaraman
IPC分类号： G06F17/30
CPC分类号： G06F17/30153 , G06F17/3015 , G06F17/30156
摘要： Mechanisms are provided for performing efficient compression and deduplication of data segments. Compression algorithms are learning algorithms that perform better when data segments are large. Deduplication algorithms, however, perform better when data segments are small, as more duplicate small segments are likely to exist. As an optimizer is processing and storing data segments, the optimizer applies the same compression context to compress multiple individual deduplicated data segments as though they are one segment. By compressing deduplicated data segments together within the same context, data reduction can be improved for both deduplication and compression. Mechanisms are applied to compensate for possible performance degradation.
摘要翻译：提供了用于执行数据段的有效压缩和重复数据删除的机制。压缩算法是在数据段较大时表现更好的学习算法。然而，当数据段很小时，重复数据删除算法的表现会更好，因为更多重复的小段可能存在。作为优化器处理和存储数据段，优化器应用相同的压缩上下文来压缩多个单独的重复数据删除的数据段，就像它们是一个段一样。通过在相同的上下文中将重复数据删除的数据段压缩在一起，可以对重复数据删除和压缩进行数据缩减。应用机制来补偿可能的性能下降。

7. 发明授权

US08612401B2 Heat indices for file systems and block storage 有权
标题翻译：文件系统和块存储的热指数
公开(公告)号：US08612401B2
公开(公告)日：2013-12-17
申请号：US13041268
申请日：2011-03-04
申请人： Abhijit Dinkar , Vinod Jayaraman , Murali Bashyam , Goutham Rao
发明人： Abhijit Dinkar , Vinod Jayaraman , Murali Bashyam , Goutham Rao
IPC分类号： G06F7/00 , G06F17/00
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.
摘要翻译：提供技术和机制以允许对文件和数据块的部分进行选择性优化，包括重复数据删除和/或压缩。监视数据访问以生成热索引，用于识别经常访问和不经常访问的文件和卷的部分。这些经常使用的部分可能未被优化以减少或消除优化I / O开销。不经常访问的部分可以更积极地优化。

8. 发明申请

US20120084270A1 STORAGE OPTIMIZATION MANAGER 有权
标题翻译：存储优化管理器
公开(公告)号：US20120084270A1
公开(公告)日：2012-04-05
申请号：US13158292
申请日：2011-06-10
申请人： Vinod Jayaraman , Abhijit Dinkar , Mark Taylor , Goutham Rao , Michael E. Root , Murali Bashyam
发明人： Vinod Jayaraman , Abhijit Dinkar , Mark Taylor , Goutham Rao , Michael E. Root , Murali Bashyam
IPC分类号： G06F7/00
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 provide a storage optimization manager. Data may be optimized and maintained on various nodes in a cluster. Particular nodes may be overburdened while other nodes remain relatively unused. Techniques are provided to efficiently optimize data onto nodes to enhance operational efficiency. Data access requests for optimized data are monitored and managed to allow for intelligent maintenance of optimized data.
摘要翻译：技术和机制提供了存储优化管理器。可以在集群中的各种节点上优化和维护数据。特定节点可能负担过重，而其他节点保持相对未使用。提供了技术来有效地优化数据到节点上，以提高运营效率。监控和管理优化数据的数据访问请求，以便智能维护优化的数据。

9. 发明申请

US20110270809A1 HEAT INDICES FOR FILE SYSTEMS AND BLOCK STORAGE 有权
标题翻译：文件系统和块存储的热指示
公开(公告)号：US20110270809A1
公开(公告)日：2011-11-03
申请号：US13041268
申请日：2011-03-04
申请人： Abhijit Dinkar , Vinod Jayaraman , Murali Bashyam , Goutham Rao
发明人： Abhijit Dinkar , Vinod Jayaraman , Murali Bashyam , Goutham Rao
IPC分类号： G06F17/30
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.
摘要翻译：提供技术和机制以允许对文件和数据块的部分进行选择性优化，包括重复数据删除和/或压缩。监视数据访问以生成热索引，用于识别经常访问和不经常访问的文件和卷的部分。这些经常使用的部分可能未被优化以减少或消除优化I / O开销。不经常访问的部分可以更积极地优化。

10. 发明申请

US20110071989A1 FILE AWARE BLOCK LEVEL DEDUPLICATION 有权
标题翻译： FILE AWARE BLACK LEVEL DEDUPLICATION
公开(公告)号：US20110071989A1
公开(公告)日：2011-03-24
申请号：US12858258
申请日：2010-08-17
申请人： Mike Wilson , Parthiban Munusamy , Carter George , Murali Bashyam , Vinod Jayaraman , Goutham Rao
发明人： Mike Wilson , Parthiban Munusamy , Carter George , Murali Bashyam , Vinod Jayaraman , Goutham Rao
IPC分类号： G06F17/30
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.
摘要翻译：系统在具有通过诸如因特网协议（IP）网络的网络连接到存储子系统的多个客户端的系统中提供文件感知块级重复数据删除。该系统包括客户端组件和存储子系统组件。客户端组件包括遍历命名空间的步行器，寻找满足优化条件的文件，重新水化文件的文件系统守护程序以及监视文件系统的所有操作的过滤器驱动程序。存储子系统组件包括驻留在存储子系统节点上的优化器。优化器可以使用空闲处理器周期执行优化。可以在存储子系统中执行子文件压缩。

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