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1. 发明申请

WO2009023397A1 SYSTEM AND METHOD FOR PROVIDING WRITE-ONCE-READ-MANY (WORM) STORAGE 审中-公开
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：WO2009023397A1
公开(公告)日：2009-02-19
申请号：PCT/US2008/070097
申请日：2008-07-15
申请人： DATA DOMAIN INC. , HSU, Windsor, W.
发明人： HSU, Windsor, W.
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。

2. 发明申请

WO2012134744A1 TIME-BASED DATA PARTITIONING 审中-公开
标题翻译：基于时间的数据分区
公开(公告)号：WO2012134744A1
公开(公告)日：2012-10-04
申请号：PCT/US2012/028037
申请日：2012-03-07
申请人： EMC CORPORATION , MITRA, Soumyadeb , HSU, Windsor, W.
发明人： MITRA, Soumyadeb , HSU, Windsor, W.
IPC分类号： G06F17/30
CPC分类号： G06F17/30091 , G06F17/30159
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 a request for writing a file to the storage system, the file is stored in a first of the FS partitions that is selected based on a time attribute of the file, such that files having similar time attributes are stored in an identical FS partition.
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。响应于向存储系统写入文件的请求，该文件被存储在基于文件的时间属性所选择的FS分区的第一个中，使得具有相似时间属性的文件被存储在相同的FS 划分。

3. 发明申请

WO2012134745A1 RESOURCE EFFICIENT SCALE-OUT FILE SYSTEMS 审中-公开
标题翻译：资源有效的规模文件系统
公开(公告)号：WO2012134745A1
公开(公告)日：2012-10-04
申请号：PCT/US2012/028041
申请日：2012-03-07
申请人： EMC CORPORATION , MITRA, Soumyadeb , HSU, Windsor, W.
发明人： MITRA, Soumyadeb , HSU, Windsor, W.
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。

4. 发明申请

WO2012134743A1 SYSTEM AND METHOD FOR MAINTAINING CONSISTENT POINTS IN FILE SYSTEMS USING A PRIME DEPENDENCY LIST 审中-公开
标题翻译：使用主要依据列表在文件系统中维护一致点的系统和方法
公开(公告)号：WO2012134743A1
公开(公告)日：2012-10-04
申请号：PCT/US2012/028035
申请日：2012-03-07
申请人： EMC CORPORATION , MITRA, Soumyadeb , HSU, Windsor, W.
发明人： MITRA, Soumyadeb , HSU, Windsor, W.
IPC分类号： G06F7/00
CPC分类号： G06F17/30091 , G06F17/30088 , G06F17/30185 , G06F17/3023 , G06F17/30575
摘要： According to one embodiment, a request is received for obtaining a consistent point of data stored in a file system of a storage system having a plurality of storage units. In response to the request, retrieving a prime dependency list from a first prime segment stored in a first of the storage units, where the prime dependency list includes information identifying at least a second prime segment stored in a second of the storage units. The first and second prime segments collectively form a prime segment representing a consistent view of the file system. Each of the prime segments listed in the prime dependency list is ascertained in an attempt to generate the consistent point of data.
摘要翻译：根据一个实施例，接收到用于获得存储在具有多个存储单元的存储系统的文件系统中的一致的数据点的请求。响应于该请求，从存储在第一存储单元中的第一素数块中检索素数依赖列表，其中素数依赖列表包括标识存储在第二存储单元中的至少第二素数段的信息。第一和第二主要段共同形成表示文件系统的一致视图的主段。确定在素数依赖列表中列出的每个主要段以试图生成一致的数据点。

5. 发明申请

WO2012092179A3 EFFICIENT STORAGE TIERING 审中-公开
公开(公告)号：WO2012092179A3
公开(公告)日：2012-07-05
申请号：PCT/US2011/067145
申请日：2011-12-23
申请人： EMC CORPORATION , HSU, Windsor, W. , XU, Teng
发明人： HSU, Windsor, W. , XU, Teng
IPC分类号： G06F17/00
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.

6. 发明申请

WO2010027824A3 METHOD AND APPARATUS FOR MANAGING DATA OBJECTS OF A DATA STORAGE SYSTEM 审中-公开
公开(公告)号：WO2010027824A3
公开(公告)日：2010-03-11
申请号：PCT/US2009/054965
申请日：2009-08-25
申请人： EMC CORPORATION , HSU, Windsor, W.
发明人： HSU, Windsor, W.
IPC分类号： G06F17/00 , G06F17/30
摘要： Techniques for managing data objects of a data storage system are described herein. According to one embodiment, a perfect hash function is generated for data objects stored in a data storage system. For each of the data objects, a hash operation is performed using the perfect hash function to indicate whether the respective data object is alive. Resources associated with the respective data object is reclaimed if it is determined that the respective data object is not alive based on a result of the hash operation using the perfect hash function, where the reclaimed resources are released back to the data storage system as free resources. Other methods and apparatuses are also described.

7. 发明公开

EP2179360A1 SYSTEM AND METHOD FOR PROVIDING WRITE-ONCE-READ-MANY (WORM) STORAGE 审中-公开
标题翻译：用于提供系统和方法的一次写入多次读存储（WORM）
公开(公告)号：EP2179360A1
公开(公告)日：2010-04-28
申请号：EP08827264.6
申请日：2008-07-15
申请人： Data Domain Inc.
发明人： HSU, Windsor, W.
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.

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