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1. 发明授权

US06993635B1 Synchronizing a distributed mirror 有权
标题翻译：同步分布式镜像
公开(公告)号：US06993635B1
公开(公告)日：2006-01-31
申请号：US10112806
申请日：2002-03-29
申请人： Salit Levy Gazit , Kadir Ozdemir
发明人： Salit Levy Gazit , Kadir Ozdemir
IPC分类号： G06F12/00
CPC分类号： G06F11/2082
摘要： Apparatus and methods for synchronizing a distributed mirror. A computer system incorporating the invention may divide a mirror source into N chunks, assigning N storage processors responsibility for respective chunks of the mirror. The storage processors then may communicate among themselves to synchronize a distributed mirror. The storage processors may communicate mirror source blocks or their addresses and host-initiated (user) data requests. A storage processor may assist the synchronization of a mirror. The processor may accept responsibility for a chunk of a mirror source and communicate with a second storage processor responsible for another chunk of the mirror source to synchronize the mirror. The storage processor may track addresses of source blocks currently in use for synchronization, as well as addresses of source blocks to be synchronized after the blocks currently in use for synchronization.
摘要翻译：用于同步分布式反射镜的装置和方法。结合本发明的计算机系统可以将镜像源划分成N个块，将N个存储处理器分配给镜子的相应块的责任。然后，存储处理器可以在它们之间通信以同步分布式镜像。存储处理器可以传送镜像源块或其地址以及主机发起（用户）数据请求。存储处理器可以协助镜子的同步。处理器可以承担对镜像源的一个部分的责任，并与负责另一个镜像源块的第二个存储处理器进行通信，以使镜像同步。存储处理器可以跟踪当前正在使用的用于同步的源块的地址，以及在当前正在使用的用于同步的块之后要同步的源块的地址。

2. 发明授权

US09110919B2 Method for quickly identifying data residing on a volume in a multivolume file system 有权
标题翻译：用于快速识别驻留在多卷文件系统中的卷上的数据的方法
公开(公告)号：US09110919B2
公开(公告)日：2015-08-18
申请号：US12610153
申请日：2009-10-30
申请人： Murthy V. Mamidi , Kadir Ozdemir , Charles Silvers , Paul Massiglia
发明人： Murthy V. Mamidi , Kadir Ozdemir , Charles Silvers , Paul Massiglia
IPC分类号： G06F12/00 , G06F17/30
CPC分类号： G06F17/30221
摘要： A method for quickly identifying data residing on a volume in a multivolume file system. The method includes generating a file location map, the file location map containing a list of the locations of files that occupy space on each of a plurality of volumes of the file system. The file system comprises least a first volume and a second volume. The file location map is updated in accordance with changes in a file change log for the file system. Data residing on the first volume of the file system is identified by scanning the file location map.
摘要翻译：一种用于快速识别驻留在多卷文件系统中的卷上的数据的方法。所述方法包括生成文件位置图，所述文件位置图包含在文件系统的多个卷中的每一个上占据空间的文件的位置的列表。文件系统包括至少第一卷和第二卷。文件位置图根据文件系统的文件更改日志的更改进行更新。通过扫描文件位置图来识别驻留在文件系统的第一卷上的数据。

3. 发明授权

US06760826B2 Store data in the system memory of a computing device 失效
标题翻译：将数据存储在计算设备的系统中的系统和方法。
公开(公告)号：US06760826B2
公开(公告)日：2004-07-06
申请号：US09728168
申请日：2000-12-01
申请人： Kadir Ozdemir , Shankar Jayaraman
发明人： Kadir Ozdemir , Shankar Jayaraman
IPC分类号： G06F1200
CPC分类号： G06F12/023
摘要： A method for managing a memory of a computer system to store a data of a first size, comprising the steps of defining chunks of the memory, wherein each chunk is a continuous memory space of a predetermined size. Defining chunk pools for managing the chunks, wherein each chunk pool corresponds to chunks of a particular size and defining unit pools for managing units of the first size, wherein the chunk pool corresponding to the unit pool provides a chunk of the particular size to be separated into the units of the first size, and the data of the first size is stored in the units.
摘要翻译：一种用于管理计算机系统的存储器以存储第一大小的数据的方法，包括以下步骤：定义存储器的块，其中每个块是预定大小的连续存储器空间。定义用于管理块的块池，其中每个块池对应于特定大小的块并且定义用于管理第一大小的单元的单元池，其中对应于该单元池的块池提供要分离的特定大小的块进入第一大小的单位，第一大小的数据以单位存储。

4. 发明授权

US09128823B1 Synthetic data generation for backups of block-based storage 有权
标题翻译：基于块的存储的备份的合成数据生成
公开(公告)号：US09128823B1
公开(公告)日：2015-09-08
申请号：US13612393
申请日：2012-09-12
申请人： Philip N. Shilane , Hyong Shim , Kadir Ozdemir
发明人： Philip N. Shilane , Hyong Shim , Kadir Ozdemir
IPC分类号： G06F12/00 , G06F12/02 , G06F12/08
CPC分类号： G06F12/0246 , G06F11/1456 , G06F11/3414 , G06F11/3485 , G06F12/0284 , G06F12/0862
摘要： A system and method for generating synthetic data to simulate backing up data between a primary storage system and a protection storage system is presented. In one embodiment, a first track in a set of tracks is selected at random. Having selected a first track, at least a first block in the first track is modified. Subsequently, it is determined, based on a track run probability, whether to modify a second track that is consecutive to the first track or a third track that is selected randomly. Depending on the determination, at least one block is modified at either the second or third track. Other embodiments are also described herein.
摘要翻译：提出了一种用于生成合成数据以模拟主存储系统和保护存储系统之间的数据备份的系统和方法。在一个实施例中，随机地选择一组轨道中的第一轨道。在选择第一轨道之后，修改第一轨道中的至少第一块。随后，基于轨道运行概率来确定是否修改与第一轨道连续的第二轨道或随机选择的第三轨道。根据确定，在第二或第三轨道处修改至少一个块。本文还描述了其它实施例。

5. 发明授权

US07334105B2 System and method for managing the memory in a computer system 失效
标题翻译：用于管理计算机系统中的存储器的系统和方法
公开(公告)号：US07334105B2
公开(公告)日：2008-02-19
申请号：US10840097
申请日：2004-05-06
申请人： Kadir Ozdemir , Shankar Jayaraman
发明人： Kadir Ozdemir , Shankar Jayaraman
IPC分类号： G06F12/02 , G06F13/00
CPC分类号： G06F12/023
摘要： A method for managing a memory of a computer system to store a data of a first size, comprising the steps of defining chunks of the memory, wherein each chunk is a continuous memory space of a predetermined size. Defining chunk pools for managing the chunks, wherein each chunk pool corresponds to chunks of a particular size and defining unit pools for managing units of the first size, wherein the chunk pool corresponding to the unit pool provides a chunk of the particular size to be separated into the units of the first size, and the data of the first size is stored in the units.
摘要翻译：一种用于管理计算机系统的存储器以存储第一大小的数据的方法，包括以下步骤：定义存储器的块，其中每个块是预定大小的连续存储器空间。定义用于管理块的块池，其中每个块池对应于特定大小的块并且定义用于管理第一大小的单元的单元池，其中对应于该单元池的块池提供要分离的特定大小的块进入第一大小的单位，第一大小的数据以单位存储。

6. 发明申请

US20060041580A1 Method and system for managing distributed storage 审中-公开
标题翻译：管理分布式存储的方法和系统
公开(公告)号：US20060041580A1
公开(公告)日：2006-02-23
申请号：US11178122
申请日：2005-07-08
申请人： Kadir Ozdemir , Ismail Dalgic
发明人： Kadir Ozdemir , Ismail Dalgic
IPC分类号： G06F7/00 , G06F17/00
CPC分类号： H04L67/1097 , G06F16/182 , G06F16/188
摘要： Embodiments of the present invention provide storage management system and method for managing a geographically distributed storage. In one embodiment, the system includes a plurality of sites organized in a tree form and a management module associated with each site. The plurality of sites include a plurality of management sites each having a network of nodes and storage devices, and at least one parent site having a plurality of virtual nodes corresponding to the plurality of sites. The management module for each site includes a site manager component, a storage resource manager component, and a node manager component.
摘要翻译：本发明的实施例提供了用于管理地理上分布式存储的存储管理系统和方法。在一个实施例中，系统包括以树形形式组织的多个站点和与每个站点相关联的管理模块。多个站点包括多个管理站点，每个管理站点都具有节点和存储设备的网络，以及至少一个父站点，其具有与多个站点对应的多个虚拟节点。每个站点的管理模块包括站点管理器组件，存储资源管理器组件和节点管理器组件。

7. 发明授权

US08135928B2 Self-adjusting change tracking for fast resynchronization 有权
标题翻译：自动调整更改跟踪快速重新同步
公开(公告)号：US08135928B2
公开(公告)日：2012-03-13
申请号：US12605544
申请日：2009-10-26
申请人： Kadir Ozdemir
发明人： Kadir Ozdemir
IPC分类号： G06F12/00
CPC分类号： G06F11/2082 , G06F11/2074
摘要： System and method for tracking changes to a volume. A write request to write data to a first location in the volume may be received. It may be determined if the first location is overlapping with or adjacent to one or more locations of earlier write requests to the volume. First location information may be stored in a data structure in response to determining that the first location is overlapping with or adjacent to one or more second locations of earlier write requests to the volume. The first location information may identify the first location and the one or more second locations. Second location information may be removed from the data structure, where the second location information identifies the one or more second locations of earlier write requests to the volume. The data may be written to the first location in the volume in response to the write request.
摘要翻译：用于跟踪卷变化的系统和方法。可以接收将数据写入卷中的第一位置的写入请求。可以确定第一位置是否与对该卷的早期写入请求的一个或多个位置重叠或相邻。第一位置信息可以存储在数据结构中，以响应于确定第一位置与先前对该卷的写入请求的一个或多个第二位置重叠或相邻。第一位置信息可以标识第一位置和一个或多个第二位置。可以从数据结构中去除第二位置信息，其中第二位置信息将早期写入请求的一个或多个第二位置标识到该卷。可以响应写入请求将数据写入卷中的第一个位置。

8. 发明申请

US20110106863A1 USING A PER FILE ACTIVITY RATIO TO OPTIMALLY RELOCATE DATA BETWEEN VOLUMES 有权
标题翻译：使用每个文件活动比例来最佳地相互调整数据之间的数据
公开(公告)号：US20110106863A1
公开(公告)日：2011-05-05
申请号：US12610175
申请日：2009-10-30
申请人： Murthy V. Mamidi , Kadir Ozdemir , Charles Silvers , Paul Massiglia , Anindya Banerjee , Ronald Karr
发明人： Murthy V. Mamidi , Kadir Ozdemir , Charles Silvers , Paul Massiglia , Anindya Banerjee , Ronald Karr
IPC分类号： G06F17/30
CPC分类号： G06F17/30221 , G06F3/0649
摘要： A method for identifying data for relocation in a multivolume file system. The method includes generating a file location map, the file location map containing a list of the locations of files that occupy space on each of a plurality of volumes of the file system, wherein The file system comprising least a first volume and a second volume. The method further includes updating the file location map in accordance with changes in a file change log for the file system, and identifying data residing on the first volume of the file system by scanning the file location map. Using the identified data, a ratio of per-file activity during a first time period relative to overall file system activity over a second time period is calculated to derive a file activity ratio for each of the files of the identified data. Files are then selected for relocation based on the file activity ratio.
摘要翻译：一种识别多卷文件系统中重定位数据的方法。所述方法包括生成文件位置图，所述文件位置图包含在所述文件系统的多个卷中的每一个上占据空间的文件的位置的列表，其中所述文件系统包括至少第一卷和第二卷。该方法还包括根据文件系统的文件更改日志的更改来更新文件位置图，以及通过扫描文件位置图来识别驻留在文件系统的第一卷上的数据。使用所识别的数据，计算在第一时间段内相对于第二时间段内的整体文件系统活动的每文件活动的比率，以导出所识别的数据的每个文件的文件活动比率。然后根据文件活动率选择文件进行重定位。

9. 发明授权

US07085883B1 Method and apparatus for migrating volumes and virtual disks 有权
标题翻译：用于迁移卷和虚拟磁盘的方法和设备
公开(公告)号：US07085883B1
公开(公告)日：2006-08-01
申请号：US10285141
申请日：2002-10-30
申请人： Ismail Dalgic , Robert Eugene Gilligan , F. Alan Jones , Kadir Ozdemir
发明人： Ismail Dalgic , Robert Eugene Gilligan , F. Alan Jones , Kadir Ozdemir
IPC分类号： G06F13/00
CPC分类号： G06F3/0647 , G06F3/0617 , G06F3/067 , H04L29/12009 , H04L29/12858 , H04L61/6031 , H04L67/1002 , H04L67/1097
摘要： Method and apparatus for migrating a volume and a virtual disk from a first storage controller to a second storage controller in a distributed storage system having volumes and virtual disks associated with storage controllers. In one embodiment, the virtual disk is migrated to the second storage controller, and requests for data reads/writes associated with the virtual disk are routed to the second controller. Further, in another embodiment, the volume is migrated to the second storage controller, and requests for data reads/writes associated with the volume are routed to the second controller. A contact address may be associated with a plurality of storage controllers and once a session between an application server and a volume is established, the application server may be redirected so as to communicate with the storage controller associated with the volume using the IP address of the storage controller. In this manner, the volumes and the virtual disks may be migrated, independently if desired, to other storage controllers in the network without disrupting the data flow between the application server and the storage controllers.
摘要翻译：用于将卷和虚拟磁盘从第一存储控制器迁移到具有与存储控制器相关联的卷和虚拟磁盘的分布式存储系统中的第二存储控制器的方法和装置。在一个实施例中，将虚拟磁盘迁移到第二存储控制器，并且与虚拟磁盘相关联的数据读取/写入的请求被路由到第二控制器。此外，在另一个实施例中，卷被迁移到第二存储控制器，并且与卷相关联的数据读/写请求被路由到第二控制器。联系地址可以与多个存储控制器相关联，并且一旦建立了应用服务器和卷之间的会话，则可以重定向应用服务器，以便使用与该卷相关联的存储控制器与该卷的IP地址进行通信存储控制器以这种方式，卷和虚拟磁盘可以如果需要独立地迁移到网络中的其他存储控制器，而不会中断应用服务器和存储控制器之间的数据流。

10. 发明授权

US06389016B1 Data communication system and method for transporting data 有权
标题翻译：数据通信系统及数据传输方法
公开(公告)号：US06389016B1
公开(公告)日：2002-05-14
申请号：US09172631
申请日：1998-10-14
申请人： Amr Gaber Sabaa , Piotr Konrad Tysowski , Kadir Ozdemir
发明人： Amr Gaber Sabaa , Piotr Konrad Tysowski , Kadir Ozdemir
IPC分类号： H04L1256
CPC分类号： H04L49/9094 , H04L1/1635 , H04L49/90
摘要： In a data communication system, a sending entity divides data into a plurality of groups, each of which is segmented into a plurality of packets, and then sequentially transmits the packets in each group to the receiving entity. The receiving entity receives each packet, and determines whether the packet is sequentially received in a group. When an out-of-sequence error arises, the receiving entity discards the received packet, and sends a negative acknowledgment to the sending entity if no negative acknowledgment has been sent for the group. Only a single negative acknowledgment is sent for the group until an expected packet is received. When all packets of the group are received, the receiving entity sends a positive acknowledgment to the sending entity.
摘要翻译：在数据通信系统中，发送实体将数据分割成多个组，每个组分成多个分组，然后将每组中的分组顺序地发送给接收实体。接收实体接收每个分组，并确定分组是否被顺序地接收在一个组中。当出现失序错误时，接收实体丢弃所接收的分组，并且如果没有为该组发送否定确认，则向发送实体发送否定确认。发送一个单一的否定确认，直到收到一个预期的数据包。当接收到该组的所有分组时，接收实体向发送实体发送肯定确认。

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