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1. 发明授权

US10521362B2 Method and device for storage management 有权
公开(公告)号：US10521362B2
公开(公告)日：2019-12-31
申请号：US15628862
申请日：2017-06-21
申请人： EMC IP Holding Company LLC
发明人： Jibing Dong , Geng Han , Jian Gao , Jamin Jianbin Kang , Hongpo Gao , Huadong Li
IPC分类号： G06F12/16 , G06F3/06 , G06F11/14 , G06F11/07
摘要： Embodiments of the present disclosure provide a method and device for storage management. The method comprises receiving at a storage management device a configuration request for a storage space managed by the storage management device, the configuration request indicating a capacity of the storage space and a target size of a chunk in the storage space; and based on the capacity and the target size, dividing the storage space into a metadata region storing a chunk status indicator indicating whether the chunk is assigned with data and a data region including the chunk with the target size. Embodiments of the present disclosure also provide a corresponding device.

2. 发明授权

US10114829B1 Managing data cache for file system realized within a file 有权
公开(公告)号：US10114829B1
公开(公告)日：2018-10-30
申请号：US14752484
申请日：2015-06-26
申请人： EMC IP Holding Company LLC
发明人： Jean-Pierre Bono , Philippe Armangau
IPC分类号： G06F17/30
摘要： A technique for storing data in a data storage system includes receiving, from a host, a request specifying a set of data to be written to a first file system, the first file system realized as a file within a second file system. A first log entry is created for the set of data in a first data log, which logs data to be written to the first file system, and a second log entry is created for the set of data in a second data log, which logs data to be written to the second file system. The first log entry provides a reference to the second log entry. The technique further includes storing the data in the cache page and acknowledging the host.

3. 发明授权

US07590776B1 Data storage techniques utilizing host-side multiplexers 有权
标题翻译：利用主机侧多路复用器的数据存储技术
公开(公告)号：US07590776B1
公开(公告)日：2009-09-15
申请号：US10746317
申请日：2003-12-24
申请人： John V. Burroughs , Stephen Strickland , Bassem N. Bishay
发明人： John V. Burroughs , Stephen Strickland , Bassem N. Bishay
IPC分类号： G06F3/00 , H04L12/66 , H04J3/26
CPC分类号： G06F3/0658 , G06F3/0613 , G06F3/0689 , G06F13/4022
摘要： A data storage system has a circuit board module, a set of Serial ATA devices, and a set of Serial ATA cables connecting the circuit board module to the set of Serial ATA devices. The circuit board module includes a circuit board, multiple host circuits mounted to the circuit board and multiplexer circuitry mounted to the circuit board. Each host circuit is configured to perform data storage operations on the behalf of an external client. The multiplexer circuitry is configured to (i) receive control signals from the host circuits and (ii) provide communications pathways between the host circuits and the set of Serial ATA devices in response to the control signals. Such an embodiment alleviates the need for multiple versions of disk drive assemblies and their associated costs.
摘要翻译：数据存储系统具有电路板模块，一组串行ATA设备和一组串行ATA电缆，将电路板模块连接到串行ATA设备。电路板模块包括电路板，安装到电路板的多个主机电路和安装到电路板的多路复用器电路。每个主机电路被配置为代表外部客户端执行数据存储操作。多路复用器电路被配置为（i）从主机电路接收控制信号，以及（ii）响应于控制信号，在主机电路和串行ATA设备组之间提供通信路径。这样的实施例减轻了对多个版本的磁盘驱动器组件及其相关成本的需求。

4. 发明授权

US07216195B1 Architecture for managing disk drives 有权
标题翻译：用于管理磁盘驱动器的架构
公开(公告)号：US07216195B1
公开(公告)日：2007-05-08
申请号：US10402363
申请日：2003-03-29
申请人： Jeffrey A. Brown , Steven D. Sardella , Ralph C. Frangioso, Jr. , Mickey Steven Felton , Joseph P. King, Jr. , Stephen E. Strickland , Bernard Warnakulasooriya
发明人： Jeffrey A. Brown , Steven D. Sardella , Ralph C. Frangioso, Jr. , Mickey Steven Felton , Joseph P. King, Jr. , Stephen E. Strickland , Bernard Warnakulasooriya
IPC分类号： G06F13/00
CPC分类号： G11B33/125 , G06F3/0614 , G06F3/0635 , G06F11/1662 , G06F11/2005 , G06F11/2089 , G06F11/2094
摘要： Disclosed are ways of providing a highly flexible high availability storage system. Disk drive carriers for insertion into enclosures in a storage system include several disk drives. The enclosures accept carriers that include drives of different sizes, and drives compatible with different storage technologies, for instance Fibre Channel, SATA, or SAS. Drives oriented in their carriers in a manner that allows them to be connected to a common medium via identical flex circuits that are configured based on the orientation of the drives. Redundant controllers include redundant serial buses for transferring management information to the carriers. The carriers include a controller for monitoring the multiple serial buses and producing storage technology specific management commands for the disk drives.
摘要翻译：公开了提供高度灵活的高可用性存储系统的方式。用于插入存储系统中的机箱的磁盘驱动器托盘包括多个磁盘驱动器。机箱接受包含不同大小的驱动器的驱动器，以及与不同存储技术（例如光纤通道，SATA或SAS）兼容的驱动器。以其载体为导向的驱动器，使得它们可以通过基于驱动器方向配置的相同的柔性电路连接到通用介质。冗余控制器包括用于将管理信息传送到运营商的冗余串行总线。运营商包括一个监控多个串行总线的控制器，并为磁盘驱动器生成特定的存储技术管理命令。

5. 发明授权

US07613127B2 Verifying packets received over a physical link 有权
标题翻译：验证通过物理链路接收的数据包
公开(公告)号：US07613127B2
公开(公告)日：2009-11-03
申请号：US11075189
申请日：2005-03-07
申请人： Premkumar Jonnala , Keith McCloghrie , Norman William Finn
发明人： Premkumar Jonnala , Keith McCloghrie , Norman William Finn
IPC分类号： G01R31/08 , G06F1/00 , G06F11/30 , H04J3/16 , H04J3/24 , H04J3/00
CPC分类号： H04L69/24 , H04L69/324
摘要： A solution is provided wherein physical link parameters may be negotiated after a link is brought up by having the two devices involved in the link exchange identifiers when the link is initially brought up. These identifiers may be saved in the devices and then utilized upon receipt of subsequent physical link parameter negotiation packets to ensure that these packets are received by a partner who is connected via a physical link.
摘要翻译：提供了一种解决方案，其中在通过在链路最初被起动时使链接中的两个设备涉及到链路交换标识符而在链路被启动之后可以协商物理链路参数。这些标识符可以被保存在设备中，然后在接收到后续的物理链路参数协商分组时被使用，以确保这些分组被通过物理链路连接的对方接收。

6. 发明授权

US07554959B1 Apparatus and method for cluster network device discovery 有权
标题翻译：集群网络设备发现的装置和方法
公开(公告)号：US07554959B1
公开(公告)日：2009-06-30
申请号：US10687215
申请日：2003-10-15
申请人： Mary G. Dowling
发明人： Mary G. Dowling
IPC分类号： H04W4/00
CPC分类号： H04L49/351 , H04L12/4625 , H04L45/02 , H04L45/04 , H04L45/26 , H04L45/46 , H04L49/602 , Y02D30/30 , Y02D30/32
摘要： A group of network devices, such as Ethernet switches, are logically configured as a single cluster, with one commander device and one or more member devices. Each network device capable of belonging to a cluster transmits data packets containing cluster capability information to its neighbors. Each network device capable of belonging to a cluster that receives data packets containing cluster capability information maintains a database containing information about its cluster-capable neighbor devices. The commander device of a cluster is the point-of-contact through which the cluster is managed. The commander device maintains a database of neighbors of the entire cluster. Upon user request, the commander device displays a list of cluster neighbors and notes which ones may be added to the cluster. When the user adds a device to the cluster, that device immediately sends its database of discovered neighbors to the commander device. The commander device adds those neighbors to its database and displays them at the user's next request. Thus, a user is informed of which switches are available to be added to a cluster at any given time.
摘要翻译：一组网络设备（如以太网交换机）在逻辑上配置为单个集群，一个指挥器设备和一个或多个成员设备。能够属于集群的每个网络设备向其邻居发送包含集群能力信息的数据包。能够属于接收包含集群能力信息的数据包的集群的每个网络设备维护包含有关其可集群的邻居设备的信息的数据库。集群的指挥装置是集群管理的联络点。指挥器设备维护整个群集的邻居数据库。根据用户请求，指挥官设备显示集群邻居的列表，并注明哪些可以添加到集群。当用户将设备添加到集群时，该设备立即将其发现的邻居的数据库发送到指挥器设备。指挥官设备将这些邻居添加到其数据库，并在用户的下一个请求中显示它们。因此，向用户通知在任何给定时间哪些交换机可用于添加到集群。

7. 发明授权

US07305479B1 Methods and apparatus for delivery of content requests within a content delivery network 有权
标题翻译：用于在内容传送网络内传送内容请求的方法和装置
公开(公告)号：US07305479B1
公开(公告)日：2007-12-04
申请号：US10436767
申请日：2003-05-13
申请人： Stephen Morris , Richard Clarkson
发明人： Stephen Morris , Richard Clarkson
IPC分类号： G06F15/16
CPC分类号： H04L67/1008 , H04L67/1002 , H04L67/1014 , H04L67/1021 , H04L67/1029 , H04L67/2814
摘要： A content delivery network has a content switch that intercepts content requests transmitted toward the origin server. The content switch distinguishes the content request as originating either external to the content delivery network or from within the content delivery network. The content switch forwards external requests to a content router, within the content delivery network and forwards internal requests to the origin server. Devices external to the content delivery network do not access the content carried by the origin server directly and, therefore, the content delivery network does not require the origin server alter its content when storing the content on a content server within the content delivery network. Use of the content switch, therefore, minimizes or eliminates the time, effort, and expense of rewriting content cached from the origin server to the content server within the content delivery network.
摘要翻译：内容传送网络具有截取向原始服务器发送的内容请求的内容切换。内容交换机将内容请求区分为内容传送网络外部或源自内容传送网络内部的内容请求。内容交换机将外部请求转发到内容传送网络内的内容路由器，并将内部请求转发到原始服务器。内容传送网络外部的设备不直接访问原始服务器携带的内容，因此，当将内容存储在内容传送网络内的内容服务器上时，内容传送网络不要求原始服务器改变其内容。因此，内容交换机的使用最小化或消除了将从源服务器缓存的内容重写到内容传送网络内的内容服务器的时间，精力和费用。

8. 发明授权

US07209446B2 Methods and apparatus for controlling a data stream using a host agent acting on behalf of a host computer 有权
标题翻译：使用代表主机的主机代理来控制数据流的方法和装置
公开(公告)号：US07209446B2
公开(公告)日：2007-04-24
申请号：US10985241
申请日：2004-11-10
申请人： John G. Waclawsky , Hamesh Chawla
发明人： John G. Waclawsky , Hamesh Chawla
IPC分类号： G06F15/16
CPC分类号： H04L47/724 , H04L47/70 , H04L47/806
摘要： A data communications device has a controller which includes means for intercepting a request signal transmitted from a source to a host computer having a host destination address. The request signal includes the host destination address. The request signal is originally destined for receipt by a host computer that would respond with control information for controlling a manner in which the source transfers a data stream. The controller further includes means for originating a control signal in response to receiving the request signal. The control signal includes the control information for controlling the manner in which the source transfers the data stream. The controller further includes means for providing the control signal to the source to individually control the manner in which the source transfers the data stream among multiple data streams transferred by the source. The source is a routing mechanism operating within the data communications device.
摘要翻译：数据通信设备具有控制器，该控制器包括用于截取从源向具有主机目的地地址的主计算机发送的请求信号的装置。请求信号包括主机目的地址。请求信号最初是要由主计算机接收的，主计算机将用控制信息进行响应，以控制源传送数据流的方式。控制器还包括响应于接收到请求信号而产生控制信号的装置。控制信号包括用于控制源传送数据流的方式的控制信息。控制器还包括用于向源提供控制信号以单独地控制源在由源传输的多个数据流之间传送数据流的方式的装置。源是在数据通信设备内操作的路由机制。

9. 发明授权

US07174422B1 Data storage device with two-tier raid control circuitry 有权
标题翻译：具有两层RAID控制电路的数据存储设备
公开(公告)号：US07174422B1
公开(公告)日：2007-02-06
申请号：US10004090
申请日：2001-10-23
申请人： Michael Kowalchik , John Cardente
发明人： Michael Kowalchik , John Cardente
IPC分类号： G06F12/16
CPC分类号： G06F3/0661 , G06F3/0613 , G06F3/0617 , G06F3/0658 , G06F3/0689 , G06F2211/1045
摘要： In general, in one aspect, the disclosure describes a data storage device that includes a device interface for receiving data access requests, more than two disk drives having platter sizes less than 3.5 inches in diameter, and a controller that accesses the disk drives in response to the received data access requests.
摘要翻译：通常，在一个方面，本发明描述了一种数据存储设备，其包括用于接收数据访问请求的设备接口，具有小于3.5英寸直径的盘片尺寸的两个以上的盘驱动器以及响应地访问磁盘驱动器的控制器接收到的数据访问请求。

10. 发明授权

US10409496B1 Write tagging for selective avoidance of inline compression 有权
公开(公告)号：US10409496B1
公开(公告)日：2019-09-10
申请号：US15499467
申请日：2017-04-27
申请人： EMC IP Holding Company LLC
发明人： Yining Si , Philippe Armangau , Yubing Wang , Christopher A. Seibel
IPC分类号： G06F3/06
摘要： A technique for storing data selectively tags write requests received by a data storage system based on whether each write request is directed to a file having a file type on an exclusion list, thereby producing a set of tagged write requests directed to a file type on the exclusion list and a set of untagged write requests directed to a file type not on the exclusion list. The method further includes persistently storing tagged data specified by the set of tagged write requests without first compressing the tagged data, and persistently storing untagged data specified by the set of untagged write requests after compressing the untagged data.

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