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    System and method for reliable peer communication in clustered storage
    1.
    发明专利
    System and method for reliable peer communication in clustered storage 审中-公开
    集群存储中可靠对等通信的系统和方法

    公开(公告)号：JP2005071333A

    公开(公告)日：2005-03-17

    申请号：JP2004211269

    申请日：2004-07-20

    Applicant: Network Appliance Inc ,  ネットワーク アプライアンス, インコーポレイテッド

    Inventor： GOLE ABHIJEET ,  SARMA JOYDEEP SEN

    IPC: G06F13/10 ,  G06F3/06 ,  G06F12/00 ,  G06F13/00 ,  H04L29/06 ,  H04L29/08 ,  H04L29/14

    CPC classification number: H04L67/1095 ,  H04L29/06 ,  H04L67/1002 ,  H04L67/1014 ,  H04L67/1029 ,  H04L67/1034 ,  H04L67/1097 ,  H04L69/329 ,  H04L69/40 ,  H04L2029/06054

    Abstract: PROBLEM TO BE SOLVED: To provide a system and method for reliable peer-to-peer communication.
    SOLUTION: The system and method includes cluster connection managers (620, 625) that act as a unified resource for opening, closing and maintaining peer-to-peer communication channels between applications executed on storage systems comprising a storage system cluster. The cluster connection managers (620, 625) communicate with cluster connection manager clients to maintain and manage the communication channels. The cluster connection manager clients (605, 510, 615) may also be interconnected with a plurality of cluster interconnect drivers (630, 635), thereby enabling failover operation in the event that the cluster interconnect drivers suffer an error condition.
    COPYRIGHT: (C)2005,JPO&NCIPI

    Abstract translation: 要解决的问题：提供可靠的点对点通信的系统和方法。 解决方案：系统和方法包括作为统一资源的集群连接管理器（620,625），用于在包括存储系统集群的存储系统上执行的应用程序之间打开，关闭和维护对等通信通道的统一资源。 集群连接管理器（620,625）与集群连接管理器客户端通信以维护和管理通信信道。 集群连接管理器客户端（605,510,615）也可以与多个集群互连驱动器（630,635）互连，从而在集群互连驱动器遭受错误状况的情况下实现故障转移操作。 版权所有（C）2005，JPO＆NCIPI

    2.
    发明专利
    未知

    公开(公告)号：AT416425T

    公开(公告)日：2008-12-15

    申请号：AT04016755

    申请日：2004-07-15

    Applicant: NETWORK APPLIANCE INC

    Inventor： GOLE ABHIJEET ,  SARMA JOYDEEP SEN

    IPC: G06F11/14 ,  G06F13/10 ,  G06F3/06 ,  G06F12/00 ,  G06F13/00 ,  H04L69/40

    Abstract: A system and method for reliable peer-to-peer communication is provided. The system and method includes a cluster connection manager that acts as a unified resource for opening, closing and maintaining peer-to-peer communication channels between applications executing on storage systems comprising a storage system cluster. The cluster connection manager communicates with cluster connection manager clients to maintain and manage the communication channels. The cluster connection manager may also be operatively interconnected with a plurality of cluster interconnect devices, thereby enabling failover operation in the event that a cluster interconnect device suffers an error condition.

    3.
    发明专利
    未知

    公开(公告)号：DE602004018072D1

    公开(公告)日：2009-01-15

    申请号：DE602004018072

    申请日：2004-07-15

    Applicant: NETWORK APPLIANCE INC

    Inventor： GOLE ABHIJEET ,  SARMA JOYDEEP SEN

    IPC: G06F11/14 ,  G06F13/10 ,  G06F3/06 ,  G06F12/00 ,  G06F13/00 ,  H04L69/40

    Abstract: A system and method for reliable peer-to-peer communication is provided. The system and method includes a cluster connection manager that acts as a unified resource for opening, closing and maintaining peer-to-peer communication channels between applications executing on storage systems comprising a storage system cluster. The cluster connection manager communicates with cluster connection manager clients to maintain and manage the communication channels. The cluster connection manager may also be operatively interconnected with a plurality of cluster interconnect devices, thereby enabling failover operation in the event that a cluster interconnect device suffers an error condition.

    4.
    发明专利
    未知

    公开(公告)号：DE60226565D1

    公开(公告)日：2008-06-26

    申请号：DE60226565

    申请日：2002-12-20

    Applicant: NETWORK APPLIANCE INC

    Inventor： COATNEY SUSAN M ,  ROWE ALAN L ,  ASTER RADEK ,  SARMA JOYDEEP SEN

    IPC: G06F3/06 ,  G06F15/16 ,  H04L29/06

    Abstract: A system and method for disk ownership in a network storage system. Each disk has two ownership attributes set to show that a particular file server owns the disk. In a preferred embodiment the first ownership attribute is the serial number of the file server being written to a specific location on each disk and the second ownership attribute is setting a SCSI-3 persistent reservation. In a system utilizing this disk ownership method, multiple file servers can read data from a given disk, but only the file server that owns a particular disk can write data to the disk.

    METHODS OF CONVERTING TRADITIONAL VOLUMES INTO FLEXIBLE VOLUMES
    5.
    发明申请
    METHODS OF CONVERTING TRADITIONAL VOLUMES INTO FLEXIBLE VOLUMES 审中-公开
    将传统体积转化为灵活体积的方法

    公开(公告)号：WO2007126513B1

    公开(公告)日：2008-12-04

    申请号：PCT/US2007005048

    申请日：2007-02-26

    Applicant: NETWORK APPLIANCE INC

    Inventor： GOLE ABHIJEET ,  SARMA JOYDEEP SEN

    IPC: G06F12/00

    CPC classification number: G06F3/0665 ,  G06F3/0605 ,  G06F3/0608 ,  G06F3/0644 ,  G06F3/0683

    Abstract: A filer converts a traditional volume to a flexible volume by: creating an aggregate on storage devices other than the storage devices of the traditional volume; on the aggregate, creating a flexible volume large enough to store metadata describing files residing on the traditional volume; on the flexible volume, creating metadata structures that describe the files of the traditional volume, except that the metadata indicates that data blocks and indirect blocks are absent and must be fetched from another location. As the filer handles I/O requests directed to the flexible volume, the filer calculates physical volume block number (PVBN) addresses where the requested blocks would be located in the aggregate and replaces the absent pointers with the calculated addresses. After the absent pointers have been replaced, the filer adds the storage devices of the traditional volume.

    Abstract translation: 文件管理器通过以下方式将传统卷转换为灵活卷：在传统卷的存储设备以外的存储设备上创建聚合; 在总量上创建一个足够大的灵活卷，以存储描述传统卷上的文件的元数据; 在灵活卷上创建描述传统卷的文件的元数据结构，除了元数据指示数据块和间接块不存在并且必须从其他位置获取。 当文件管理器处理指向灵活卷的I / O请求时，文件管理器计算所请求块将在聚合中位于的物理卷块号（PVBN）地址，并用计算出的地址替换缺少的指针。 在缺少指针被替换之后，文件管理器添加传统卷的存储设备。

    METHODS OF CONVERTING TRADITIONAL VOLUMES INTO FLEXIBLE VOLUMES
    6.
    发明申请
    METHODS OF CONVERTING TRADITIONAL VOLUMES INTO FLEXIBLE VOLUMES 审中-公开
    将传统体积转换成柔性体积的方法

    公开(公告)号：WO2007126513A2

    公开(公告)日：2007-11-08

    申请号：PCT/US2007005048

    申请日：2007-02-26

    Applicant: NETWORK APPLIANCE INC

    Inventor： GOLE ABHIJEET ,  SARMA JOYDEEP SEN

    IPC: G06F12/00

    CPC classification number: G06F3/0665 ,  G06F3/0605 ,  G06F3/0608 ,  G06F3/0644 ,  G06F3/0683

    Abstract: A filer converts a traditional volume to a flexible volume by: creating an aggregate on storage devices other than the storage devices of the traditional volume; on the aggregate, creating a flexible volume large enough to store metadata describing files residing on the traditional volume; on the flexible volume, creating metadata structures that describe the files of the traditional volume, except that the metadata indicates that data blocks and indirect blocks are absent and must be fetched from another location. As the filer handles I/O requests directed to the flexible volume, the filer calculates physical volume block number (PVBN) addresses where the requested blocks would be located in the aggregate and replaces the absent pointers with the calculated addresses. After the absent pointers have been replaced, the filer adds the storage devices of the traditional volume.

    Abstract translation: 文件管理器通过以下方式将传统卷转换为灵活卷：在除传统卷的存储设备之外的存储设备上创建聚合; 在集合上创建足够大的灵活卷以存储描述驻留在传统卷上的文件的元数据; 在灵活的卷上，创建描述传统卷的文件的元数据结构，但元数据指示数据块和间接块不存在，并且必须从另一个位置获取。 由于文件管理器处理指向灵活卷的I / O请求，文件管理器计算所请求的块将位于聚合中的物理卷块（PVBN）地址，并用计算出的地址替换缺少的指针。 在缺少指针被替换之后，文件管理器添加了传统卷的存储设备。

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