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    Apparatus and method for providing very large virtual storage volumes using redundant arrays of disks
    2.
    发明授权
    Apparatus and method for providing very large virtual storage volumes using redundant arrays of disks 有权
    使用冗余磁盘阵列提供非常大的虚拟存储卷的装置和方法

    公开(公告)号：US07356644B2

    公开(公告)日：2008-04-08

    申请号：US11315606

    申请日：2005-12-22

    申请人： Theodore E. Bruning, III ,  Randal S. Marks ,  Julia A. Hodges ,  Gerald L. Golden ,  Ryan J. Johnson ,  Bert Martens ,  Karen E. Workman ,  Susan G. Elkington ,  Richard F. Lary ,  Jesse Yandell ,  Stephen Sicola ,  Roger Oakey

    发明人： Theodore E. Bruning, III ,  Randal S. Marks ,  Julia A. Hodges ,  Gerald L. Golden ,  Ryan J. Johnson ,  Bert Martens ,  Karen E. Workman ,  Susan G. Elkington ,  Richard F. Lary ,  Jesse Yandell ,  Stephen Sicola ,  Roger Oakey

    IPC分类号： G06F12/00

    CPC分类号： G06F11/2094 ,  G06F3/0619 ,  G06F3/0665 ,  G06F3/0689 ,  G06F11/1076 ,  G06F11/2058 ,  G06F2211/1045

    摘要： A very large virtual volume (e.g., in excess of 500 GB) is formed by distributing the disks in eleven, six-disk RAID-5 sets across the six busses of a primary local back-end controller. A spare disk is provided on each of the six busses. Each RAID-5 set is protected from the failure of a single disk by the spare disks on the busses, which can use the parity data stored in a RAID-5 set to rebuild the data stored on a failing disk and thereby restore redundancy to the RAID-5 set. Each RAID-5 set is also protected from the failure of a bus by the parity inherent in RAID-5. The RAID-5 sets are striped by a front-end controller connected to the primary local back-end controller, and the striped RAID-5 sets are presented to a host computer as a very large virtual volume. If the individual disks are 9.1 GB in size, the size of the very large virtual volume can reach 500.5 GB. If desired, additional groups of eleven, six-disk RAID-5 sets can be formed on additional back-end controllers for purposes of redundancy, cloning (which generates a copy of the data that can be used for off-line backup without interrupting read/write activities on the virtual volume), and disaster tolerance through remote storage. These additional groups of RAID-5 sets along with the RAID-5 sets from the primary local back-end controller, can be formed into mirror sets by the front-end controller, which then stripes the mirror sets and presents the striped mirror sets to the host computer as the very large virtual volume.

    摘要翻译： 通过在主本地后端控制器的六个总线上的十一个六磁盘RAID-5组中分配磁盘来形成非常大的虚拟卷（例如，超过500GB）。 六个总线中的每一个都提供备用磁盘。 每个RAID-5集合都受到总线上备用磁盘的单个磁盘故障的保护，可以使用存储在RAID-5集中的奇偶校验数据来重建存储在故障磁盘上的数据，从而将冗余恢复到 RAID-5设置。 每个RAID-5集合也可以通过RAID-5固有的奇偶校验来保护总线故障。 RAID-5组由连接到本地后端主控制器的前端控制器进行条带化，条带化的RAID-5集作为一个非常大的虚拟卷呈现给主机。 如果单个磁盘的大小为9.1 GB，则非常大的虚拟卷的大小可以达到500.5 GB。 如果需要，可以在额外的后端控制器上形成额外的十一个六磁盘RAID-5组，用于冗余，克隆（其生成可用于离线备份而不中断读取的数据的副本 /在虚拟卷上编写活动），以及通过远程存储进行容灾。 这些附加的RAID-5组与主要本地后端控制器的RAID-5组可以由前端控制器形成为镜像集，然后将镜像集条纹化并将条带镜集显示为 主机作为非常大的虚拟卷。

    Apparatus and method for providing very large virtual storage volumes using redundant arrays of disks
    3.
    发明申请
    Apparatus and method for providing very large virtual storage volumes using redundant arrays of disks 有权
    使用冗余磁盘阵列提供非常大的虚拟存储卷的装置和方法

    公开(公告)号：US20060101205A1

    公开(公告)日：2006-05-11

    申请号：US11315606

    申请日：2005-12-22

    申请人： Theodore Bruning ,  Randal Marks ,  Julia Hodges ,  Gerald Golden ,  Ryan Johnson ,  Bert Martens ,  Karen Workman ,  Susan Elkington ,  Richard Lary ,  Jesse Yandell ,  Stephen Sicola ,  Roger Oakey

    发明人： Theodore Bruning ,  Randal Marks ,  Julia Hodges ,  Gerald Golden ,  Ryan Johnson ,  Bert Martens ,  Karen Workman ,  Susan Elkington ,  Richard Lary ,  Jesse Yandell ,  Stephen Sicola ,  Roger Oakey

    IPC分类号： G06F12/16

    CPC分类号： G06F11/2094 ,  G06F3/0619 ,  G06F3/0665 ,  G06F3/0689 ,  G06F11/1076 ,  G06F11/2058 ,  G06F2211/1045

    摘要： A very large virtual volume (e.g., in excess of 500 GB) is formed by distributing the disks in eleven, six-disk RAID-5 sets across the six busses of a primary local back-end controller. A spare disk is provided on each of the six busses. Each RAID-5 set is protected from the failure of a single disk by the spare disks on the busses, which can use the parity data stored in a RAID-5 set to rebuild the data stored on a failing disk and thereby restore redundancy to the RAID-5 set. Each RAID-5 set is also protected from the failure of a bus by the parity inherent in RAID-5. The RAID-5 sets are striped by a front-end controller connected to the primary local back-end controller, and the striped RAID-5 sets are presented to a host computer as a very large virtual volume. If the individual disks are 9.1 GB in size, the size of the very large virtual volume can reach 500.5 GB. If desired, additional groups of eleven, six-disk RAID-5 sets can be formed on additional back-end controllers for purposes of redundancy, cloning (which generates a copy of the data that can be used for off-line backup without interrupting read/write activities on the virtual volume), and disaster tolerance through remote storage. These additional groups of RAID-5 sets along with the RAID-5 sets from the primary local back-end controller, can be formed into mirror sets by the front-end controller, which then stripes the mirror sets and presents the striped mirror sets to the host computer as the very large virtual volume.

    摘要翻译： 通过在主本地后端控制器的六个总线上的十一个六磁盘RAID-5组中分配磁盘来形成非常大的虚拟卷（例如，超过500GB）。 六个总线中的每一个都提供备用磁盘。 每个RAID-5集合都受到总线上备用磁盘的单个磁盘故障的保护，可以使用存储在RAID-5集中的奇偶校验数据来重建存储在故障磁盘上的数据，从而将冗余恢复到 RAID-5设置。 每个RAID-5集合也可以通过RAID-5固有的奇偶校验来保护总线故障。 RAID-5组由连接到本地后端主控制器的前端控制器进行条带化，条带化的RAID-5集作为一个非常大的虚拟卷呈现给主机。 如果单个磁盘的大小为9.1 GB，则非常大的虚拟卷的大小可以达到500.5 GB。 如果需要，可以在额外的后端控制器上形成额外的十一个六磁盘RAID-5组，用于冗余，克隆（其生成可用于离线备份而不中断读取的数据的副本 /在虚拟卷上编写活动），以及通过远程存储进行容灾。 这些附加的RAID-5组与主要本地后端控制器的RAID-5组可以由前端控制器形成为镜像集，然后将镜像集条纹化并将条带镜集显示为 主机作为非常大的虚拟卷。