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1. 发明授权

US09715434B1 System and method for estimating storage space needed to store data migrated from a source storage to a target storage 有权
公开(公告)号：US09715434B1
公开(公告)日：2017-07-25
申请号：US13250678
申请日：2011-09-30
申请人： Teng Xu , Windsor W. Hsu , Lan Chin
发明人： Teng Xu , Windsor W. Hsu , Lan Chin
IPC分类号： G06F3/06 , G06F17/30 , G06F11/14
CPC分类号： G06F11/1453 , G06F3/0608 , G06F3/0641 , G06F3/0647 , G06F3/067 , G06F3/0685 , G06F17/30091 , G06F17/30097 , G06F17/30156 , G06F17/30159
摘要： Techniques for data migration of a storage system are described herein. According to one embodiment, for at least one of segments of a file to be migrated from a source storage tier to a target storage tier, a fingerprint of the segment is transmitted to the target storage tier. In response to a response received from the target storage tier indicating that the segment has not been stored in the target tier based on the fingerprint, a storage space of the target tier estimated for migrating the file is incremented. One or more segments of the file that have not been stored in the target tier are migrated if the one or more segments of the file fit in the target storage tier based on the estimated storage space of the target tier.

2. 发明授权

US08949208B1 System and method for bulk data movement between storage tiers 有权
标题翻译：存储层之间批量数据移动的系统和方法
公开(公告)号：US08949208B1
公开(公告)日：2015-02-03
申请号：US13250670
申请日：2011-09-30
申请人： Teng Xu , Windsor W. Hsu , Lan Chin
发明人： Teng Xu , Windsor W. Hsu , Lan Chin
IPC分类号： G06F7/00 , G06F17/00 , G06F17/30
CPC分类号： G06F3/0613 , G06F3/0641 , G06F3/0647 , G06F3/067 , G06F3/0689
摘要： Techniques for data migration of a storage system are described herein. According to one embodiment, a candidate index is generated to store information identifying a plurality of segments associated with one or more candidate files of a source storage tier to be migrated to a target storage tier of a storage system. Segments of the one or more candidate files are then migrated from the source storage tier to the target storage tier according to a sequential order, and based on the candidate index.
摘要翻译：本文描述了用于存储系统的数据迁移的技术。根据一个实施例，生成候选索引以存储标识与要迁移到存储系统的目标存储层的源存储层的一个或多个候选文件相关联的多个段的信息。一个或多个候选文件的片段然后根据顺序顺序从源存储层迁移到目标存储层，并且基于候选索引。

3. 发明授权

US08943032B1 System and method for data migration using hybrid modes 有权
标题翻译：使用混合模式进行数据迁移的系统和方法
公开(公告)号：US08943032B1
公开(公告)日：2015-01-27
申请号：US13250684
申请日：2011-09-30
申请人： Teng Xu , Windsor W. Hsu , Lan Chin
发明人： Teng Xu , Windsor W. Hsu , Lan Chin
IPC分类号： G06F7/00 , G06F17/00 , G06F17/30
CPC分类号： G06F17/30079
摘要： Techniques for data migration of a storage system are described herein. According to one embodiment, a list of files stored in a source storage tier is identified as candidate files to be migrated to a target storage tier based on a migration policy. One of a regular data movement method and a bulk data movement method is selected based on a characteristic of the candidate files. The candidate files are then migrated from the source storage tier to the target storage tier using the selected data movement method.
摘要翻译：本文描述了用于存储系统的数据迁移的技术。根据一个实施例，基于迁移策略将存储在源存储层中的文件的列表识别为要迁移到目标存储层的候选文件。基于候选文件的特性来选择常规数据移动方法和批量数据移动方法之一。然后使用所选择的数据移动方法将候选文件从源存储层迁移到目标存储层。

4. 发明授权

US09280550B1 Efficient storage tiering 有权
标题翻译：高效的存储分层
公开(公告)号：US09280550B1
公开(公告)日：2016-03-08
申请号：US12983281
申请日：2010-12-31
申请人： Windsor W. Hsu , Teng Xu
发明人： Windsor W. Hsu , Teng Xu
IPC分类号： G06F7/00 , G06F17/00 , G06F17/30
CPC分类号： G06F17/30156 , G06F3/0608 , G06F3/061 , G06F3/0641 , G06F3/0649 , G06F3/0685 , G06F11/1453 , G06F17/30153 , G06F17/30221
摘要： A method, article of manufacture, and apparatus for transferring data from a source tier to a target tier. In some embodiments, this may include dividing an object stored in the source tier into a plurality of segments, determining if the target tier is missing at least one of the segments, writing the missing segments to the target tier, and deleting the object from the source tier. In some embodiments, the object's metadata is updated to indicate that the object is in the target tier.
摘要翻译：一种用于将数据从源层传送到目标层的方法，制造和装置。在一些实施例中，这可以包括将存储在源层中的对象划分成多个段，确定目标层是否丢失了至少一个段，将缺失的段写入目标层，以及从目标层中删除对象源层。在一些实施例中，对象的元数据被更新以指示对象在目标层中。

5. 发明授权

US08886901B1 Policy based storage tiering 有权
标题翻译：基于策略的存储分层
公开(公告)号：US08886901B1
公开(公告)日：2014-11-11
申请号：US12983285
申请日：2010-12-31
申请人： Windsor W. Hsu , Teng Xu
发明人： Windsor W. Hsu , Teng Xu
IPC分类号： G06F12/16 , G06F3/06
CPC分类号： G06F3/0647 , G06F3/0605 , G06F3/0641 , G06F3/0649 , G06F3/065 , G06F3/0685
摘要： A method, article of manufacture, and apparatus for transferring data from a source tier to a target tier. In some embodiments, this may include applying a policy to an object in the source tier, determining the target tier based on the policy, and moving the object from the source tier to the target tier based on the policy. In some embodiments, determining the target tier based on the policy may include determining a higher target tier. In some embodiments, determining the target tier based on the policy may include determining a lower target tier.
摘要翻译：一种用于将数据从源层传送到目标层的方法，制造和装置。在一些实施例中，这可以包括将策略应用于源层中的对象，基于策略确定目标层，以及基于策略将对象从源层移动到目标层。在一些实施例中，基于策略来确定目标层可以包括确定更高的目标层。在一些实施例中，基于策略来确定目标层可以包括确定较低的目标层。

6. 发明授权

US10210169B2 System and method for verifying consistent points in file systems 有权
公开(公告)号：US10210169B2
公开(公告)日：2019-02-19
申请号：US13077784
申请日：2011-03-31
申请人： Soumyadeb Mitra , Windsor W. Hsu
发明人： Soumyadeb Mitra , Windsor W. Hsu
IPC分类号： G06F7/00 , G06F17/30 , G06F11/14
摘要： According to one embodiment, in response to a request for verifying a first prime representing a consistent point of a file system of a storage system having a plurality of storage units, each of a plurality of prime segments collectively representing the first prime is examined to determine whether the corresponding prime segment has been previously verified. Each of the prime segments is stored in one of the storage units, respectively. At least a first of the prime segments that has not been previously verified is verified, without verifying a second of the prime segments that has been previously verified. The first prime, when at least the first prime segment has been successfully verified, can be used to construct the consistent point of the file system.

7. 发明授权

US08825667B2 Method and apparatus for managing data objects of a data storage system 有权
标题翻译：用于管理数据存储系统的数据对象的方法和装置
公开(公告)号：US08825667B2
公开(公告)日：2014-09-02
申请号：US13649902
申请日：2012-10-11
申请人： Windsor W. Hsu
发明人： Windsor W. Hsu
IPC分类号： G06F17/30
CPC分类号： G06F17/30138
摘要： Techniques for managing data objects of a data storage system are described herein. According to one embodiment, a hash function is generated for a plurality of data objects by analyzing each of the data objects stored in the data storage system. For each of the data objects, a hash operation is performed on the data object using the hash function, generating a hash value. The hash value is associated with a predetermined attribute of the data object, such that the predetermined attribute of the data object is uniquely identified using the hash function subsequently in response to a request for accessing the predetermined attribute of the data object. The data object is then stored at a persistent storage location of the data storage system, wherein the persistent storage location is identifiable based on a hash value obtained from the hash function.
摘要翻译：本文描述了用于管理数据存储系统的数据对象的技术。根据一个实施例，通过分析存储在数据存储系统中的每个数据对象，为多个数据对象生成散列函数。对于每个数据对象，使用散列函数对数据对象执行散列操作，生成散列值。散列值与数据对象的预定属性相关联，使得随后响应于访问数据对象的预定属性的请求，使用散列函数唯一地识别数据对象的预定属性。然后将数据对象存储在数据存储系统的持久存储位置，其中基于从散列函数获得的散列值可以识别持久存储位置。

8. 发明申请

US20120254257A1 RESOURCE EFFICIENT SCALE-OUT FILE SYSTEMS 有权
标题翻译：资源有效的规模文件系统
公开(公告)号：US20120254257A1
公开(公告)日：2012-10-04
申请号：US13077779
申请日：2011-03-31
申请人： Soumyadeb Mitra , Windsor W. Hsu
发明人： Soumyadeb Mitra , Windsor W. Hsu
IPC分类号： G06F17/30
CPC分类号： G06F12/12 , G06F9/5016 , G06F9/5022 , G06F12/0846 , G06F17/30129
摘要： According to one embodiment, a file system (FS) of a storage system is partitioned into a plurality of FS partitions, where each FS partition stores segments of data files. In response to an input and output (IO) request for accessing a first of the FS partitions, a second of the FS partitions is selected that is currently in a ready state for access. The second FS partition is then removed from the ready state for access. The first FS partition is brought into a ready state for access.
摘要翻译：根据一个实施例，存储系统的文件系统（FS）被划分成多个FS分区，其中每个FS分区存储数据文件的分段。响应于访问第一个FS分区的输入和输出（IO）请求，选择当前处于就绪状态进行访问的FS分区中的第二个。然后将第二个FS分区从就绪状态中删除以进行访问。第一个FS分区进入就绪状态进行访问。

9. 发明授权

US07958166B2 System and method for providing write-once-read-many (WORM) storage 有权
标题翻译：提供一次写入（WORM）存储的系统和方法
公开(公告)号：US07958166B2
公开(公告)日：2011-06-07
申请号：US11839453
申请日：2007-08-15
申请人： Windsor W. Hsu
发明人： Windsor W. Hsu
IPC分类号： G06F12/00
CPC分类号： G06F17/30188
摘要： Techniques for providing write-once-read-many (WORM) storage are described herein. According to one embodiment, a range of values is received to set an attribute of a file, where the received range of values is outside of an ordinary range of the attribute in accordance with a file system associated with the file. In addition, a management action is received to be associated with the received range of values of the attribute, where the management action is unrelated to an ordinary action associated with the attribute of the file in accordance with the file system. In response, the received management action is associated with the received range of values of the attribute. Other methods and apparatuses are also described.
摘要翻译：本文描述了提供一次写入（WORM）存储器的技术。根据一个实施例，接收值的范围以根据与文件相关联的文件系统来设置文件的属性，其中所接收的值的范围在属性的普通范围之外。此外，接收管理动作以与属性的值的接收范围相关联，其中管理动作与根据文件系统的与文件的属性相关联的普通动作无关。作为响应，接收到的管理动作与所接收的属性值的范围相关联。还描述了其它方法和装置。

10. 发明申请

US20090049003A1 SYSTEM AND METHOD FOR PROVIDING WRITE-ONCE-READ-MANY (WORM) STORAGE 有权
标题翻译：用于提供一次写入（WORM）存储的系统和方法
公开(公告)号：US20090049003A1
公开(公告)日：2009-02-19
申请号：US11839453
申请日：2007-08-15
申请人： Windsor W. Hsu
发明人： Windsor W. Hsu
IPC分类号： G06F17/30
CPC分类号： G06F17/30188
摘要： Techniques for providing write-once-read-many (WORM) storage are described herein. According to one embodiment, a range of values is received to set an attribute of a file, where the received range of values is outside of an ordinary range of the attribute in accordance with a file system associated with the file. In addition, a management action is received to be associated with the received range of values of the attribute, where the management action is unrelated to an ordinary action associated with the attribute of the file in accordance with the file system. In response, the received management action is associated with the received range of values of the attribute. Other methods and apparatuses are also described.
摘要翻译：本文描述了提供一次写入（WORM）存储器的技术。根据一个实施例，接收值的范围以根据与文件相关联的文件系统来设置文件的属性，其中所接收的值的范围在属性的普通范围之外。此外，接收管理动作以与属性的值的接收范围相关联，其中管理动作与根据文件系统的与文件的属性相关联的普通动作无关。作为响应，接收到的管理动作与所接收的属性值的范围相关联。还描述了其它方法和装置。

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