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1. 发明授权

US09697219B1 Managing log transactions in storage systems 有权
公开(公告)号：US09697219B1
公开(公告)日：2017-07-04
申请号：US14584341
申请日：2014-12-29
申请人： EMC Corporation
发明人： Yubing Wang , Philippe Armangau , Jean-Pierre Bono , Christopher Seibel
IPC分类号： G06F17/30 , G06F3/06
CPC分类号： G06F17/30144 , G06F3/0619 , G06F3/0643 , G06F3/0689
摘要： A method is used in managing log transactions in storage systems. A first portion of a transaction log space is allocated from a persistent journal associated with a file system to a first core of a multi-core storage processor and a second portion of the transaction log space is allocated from the persistent journal to a second core of the multi-core storage processor. A set of per-core bitmaps is used for allocating a set of transaction log entries from the persistent journal. Each per-core bitmap is associated with a respective core of the multi-core storage processor. A per-core bitmap of the set of per-core bitmaps associated with a core of the multi-core storage processor is used for allocating a transaction log entry for a write request performed by the core.

2. 发明授权

US09891860B1 Managing copying of data in storage systems 有权
公开(公告)号：US09891860B1
公开(公告)日：2018-02-13
申请号：US13930337
申请日：2013-06-28
申请人： EMC Corporation
发明人： Diane M. Delgado , Lawrence Yetto , Christopher Seibel , John F. Gillono , Philippe Armangau , Alexei Karaban
IPC分类号： G06F12/00 , G06F3/06
CPC分类号： G06F3/065 , G06F3/0614 , G06F3/0641 , G06F3/0689
摘要： A method is used in managing copying of data in storage systems. A request is received to copy a portion of a source logical object to a target logical object. The source and target logical objects are subject to a deduplicating technique. The portion of the source logical object is copied to the target logical object by updating metadata of the target logical object. The target logical object shares the portion of the source logical object.

3. 发明授权

US09606938B1 Managing caches in storage systems 有权
公开(公告)号：US09606938B1
公开(公告)日：2017-03-28
申请号：US14319205
申请日：2014-06-30
申请人： EMC Corporation
发明人： Philippe Armangau , Christopher Seibel , John F. Gillono , Sitaram Pawar
IPC分类号： G06F12/00 , G06F13/00 , G06F13/28 , G06F12/12 , G06F12/08
CPC分类号： G06F12/123 , G06F12/0824 , G06F12/0871 , G06F2212/1016 , G06F2212/313 , G06F2212/463 , G06F2212/502
摘要： A method is used in managing caches in storage systems. A set of block entries is reserved in a reserved block entries list of a storage system. The reserved block entries list is associated with a cache of the storage system configured to store data of the storage system. A portion of a memory of the storage system is reserved as the cache. Based on a criterion, a determination is made whether a cache entry is available for use in the cache of the storage system. Based on the determination, a block entry is selected for use from the reserved block entries list.

4. 发明授权

US09311333B1 Managing files of file systems 有权
标题翻译：管理文件系统的文件
公开(公告)号：US09311333B1
公开(公告)日：2016-04-12
申请号：US13730086
申请日：2012-12-28
申请人： EMC Corporation
发明人： Sitaram Pawar , Philippe Armangau , Jean-Pierre Bono , Christopher Seibel
IPC分类号： G06F17/30
CPC分类号： G06F17/30227
摘要： A method is used in managing files of file systems. A group transaction record for an indirect data block of a file of a file system is created. The indirect data block of the file includes a set of data blocks of the file. A set of transaction entries is added to the group transaction record. Each transaction entry of the set of transaction entries includes information regarding an operation performed on a data block of the set of data blocks. The group transaction record is stored in a journal. The journal includes metadata transactions upon a plurality of files of a plurality of file systems.
摘要翻译：一种方法用于管理文件系统的文件。创建文件系统的文件的间接数据块的组事务记录。文件的间接数据块包括文件的一组数据块。一组事务条目被添加到组事务记录中。交易项集合的每个交易条目包括关于对该组数据块的数据块执行的操作的信息。组交易记录存储在日志中。该杂志包括多个文件系统的多个文件上的元数据事务。

5. 发明授权

US09442955B1 Managing delete operations in files of file systems 有权
标题翻译：管理文件系统文件中的删除操作
公开(公告)号：US09442955B1
公开(公告)日：2016-09-13
申请号：US13730409
申请日：2012-12-28
申请人： EMC Corporation
发明人： Sitaram Pawar , Philippe Armangau , Jean-Pierre Bono , Christopher Seibel
IPC分类号： G06F17/00 , G06F17/30
CPC分类号： G06F17/30227 , G06F17/00 , G06F17/30117
摘要： A method is used in managing delete operations in files of file systems. An indirect data block of a file of a file system is deleted. A parent indirect data block pointing to the indirect data block is removed from a list. The parent indirect data block has been added to the list for flushing contents of the parent indirect data block to a storage device.
摘要翻译：一种方法用于管理文件系统文件中的删除操作。删除文件系统文件的间接数据块。指向间接数据块的父间接数据块从列表中删除。父间接数据块已添加到列表中，用于将父间接数据块的内容刷新到存储设备。

6. 发明授权

US08762583B1 Application aware intelligent storage system 有权
标题翻译：应用感知智能存储系统
公开(公告)号：US08762583B1
公开(公告)日：2014-06-24
申请号：US13850727
申请日：2013-03-26
申请人： EMC Corporation
发明人： Sorin Faibish , Philippe Armangau , Christopher Seibel
IPC分类号： G06F3/00 , G06F13/28 , G06F13/00 , G06E1/00 , G06E3/00 , G06F15/18 , G06G7/00 , G06F17/00 , G06N5/02
CPC分类号： G06F3/0605 , G06F3/0631 , G06F3/0653 , G06F3/0685 , G06F3/0689
摘要： This invention is a system and a method for operating a storage server that provides read or write access to a data in a data network using a new architecture. The method of processing I/Os in response to a request by a client of the storage server executes one or more services communicated by a policy engine. The I/Os received from the application are tagged and catalogued to create co-related I/O patterns. The policy engine is then updated with the results of processing the I/Os after executing services on those I/Os.
摘要翻译：本发明是一种用于操作存储服务器的系统和方法，该存储服务器使用新架构提供对数据网络中的数据的读取或写入访问。响应于存储服务器的客户端的请求来处理I / O的方法执行由策略引擎传送的一个或多个服务。从应用程序接收的I / O被标记和编目，以创建共同相关的I / O模式。然后在执行这些I / O上的服务之后，更新处理I / O的结果的策略引擎。

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