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    COMPUTER SYSTEM AND DATA MIGRATION METHOD THEREOF
    1.
    发明申请
    COMPUTER SYSTEM AND DATA MIGRATION METHOD THEREOF 有权
    计算机系统及其数据迁移方法

    公开(公告)号：US20130024639A1

    公开(公告)日：2013-01-24

    申请号：US13203811

    申请日：2011-07-22

    申请人： Masayuki Yamamoto ,  Akio Nakajima ,  Yasunori Kaneda ,  Akira Yamamoto

    发明人： Masayuki Yamamoto ,  Akio Nakajima ,  Yasunori Kaneda ,  Akira Yamamoto

    IPC分类号： G06F12/02

    CPC分类号： G06F3/065 ,  G06F3/0617 ,  G06F3/0635 ,  G06F3/067 ,  H04L67/1095 ,  H04L67/1097

    摘要： Data migration can be preformed between source and target storage subsystems without stopping exchanging data between a host computer and each of the storage subsystems.After a next access path, which should be set instead of a specific access path in an available state among access paths, is set between the host computer and a migration target logical unit via a host port and a target port, the status of the next access path is set to an available state and the status of the specific access path is set to an unavailable state. After the next access path is set to an available state, data is migrated from a migration source logical unit of the source storage subsystem to the migration target logical unit of the target storage subsystem.

    摘要翻译： 可以在源和目标存储子系统之间执行数据迁移，而不停止在主机与每个存储子系统之间交换数据。 在主机计算机和迁移目标逻辑单元之间经由主机端口和目标端口设置下一个访问路径，而不是在访问路径之间的可用状态下而不是特定访问路径，下一个访问路径，下一个访问路径的状态 访问路径被设置为可用状态，并且特定访问路径的状态被设置为不可用状态。 在下一个访问路径设置为可用状态之后，数据将从源存储子系统的迁移源逻辑单元迁移到目标存储子系统的迁移目标逻辑单元。

    Computer system and data migration method thereof
    2.
    发明授权
    Computer system and data migration method thereof 有权
    计算机系统及其数据迁移方法

    公开(公告)号：US08495325B2

    公开(公告)日：2013-07-23

    申请号：US13203811

    申请日：2011-07-22

    申请人： Masayuki Yamamoto ,  Akio Nakajima ,  Yasunori Kaneda ,  Akira Yamamoto

    发明人： Masayuki Yamamoto ,  Akio Nakajima ,  Yasunori Kaneda ,  Akira Yamamoto

    IPC分类号： G06F12/02

    CPC分类号： G06F3/065 ,  G06F3/0617 ,  G06F3/0635 ,  G06F3/067 ,  H04L67/1095 ,  H04L67/1097

    摘要： Data migration can be preformed between source and target storage subsystems without stopping exchanging data between a host computer and each of the storage subsystems.After a next access path, which should be set instead of a specific access path in an available state among access paths, is set between the host computer and a migration target logical unit via a host port and a target port, the status of the next access path is set to an available state and the status of the specific access path is set to an unavailable state. After the next access path is set to an available state, data is migrated from a migration source logical unit of the source storage subsystem to the migration target logical unit of the target storage subsystem.

    摘要翻译： 可以在源和目标存储子系统之间执行数据迁移，而不停止在主机与每个存储子系统之间交换数据。 在主机计算机和迁移目标逻辑单元之间经由主机端口和目标端口设置下一个访问路径，而不是在访问路径之间的可用状态下而不是特定访问路径，下一个访问路径，下一个访问路径的状态 访问路径被设置为可用状态，并且特定访问路径的状态被设置为不可用状态。 在下一个访问路径设置为可用状态之后，数据将从源存储子系统的迁移源逻辑单元迁移到目标存储子系统的迁移目标逻辑单元。

    Disk system having function of virtualizing logical disk in portable storage device
    8.
    发明申请
    Disk system having function of virtualizing logical disk in portable storage device 审中-公开
    在便携式存储设备中具有虚拟化逻辑磁盘功能的磁盘系统

    公开(公告)号：US20060123207A1

    公开(公告)日：2006-06-08

    申请号：US11079236

    申请日：2005-03-15

    申请人： Akira Yamamoto ,  Fumi Miyazaki ,  Masayuki Yamamoto ,  Yasunori Kaneda

    发明人： Akira Yamamoto ,  Fumi Miyazaki ,  Masayuki Yamamoto ,  Yasunori Kaneda

    IPC分类号： G06F12/16 ,  G06F12/00

    CPC分类号： G06F3/065 ,  G06F3/0605 ,  G06F3/0686

    摘要： Long-term preservation of data (archive) has become more important. In order to reduce the maintenance cost for data, a first storage system consolidating a disk system and an MT library system has a disk interface with respect to a host computer and has a function of storing a logical volume in an MT. In addition, the first storage system has a function of managing information such as information indicating in which MT the logical volume is stored, and in which slot of a library the MT is stored. By using such functions, it is possible to integrally manage storage areas of the disk system and the MT library as logical volumes, thereby reducing the management cost.

    摘要翻译： 长期保存数据（归档）变得更加重要。 为了降低数据的维护成本，整合磁盘系统和MT库系统的第一存储系统具有相对于主计算机的磁盘接口，并且具有将逻辑卷存储在MT中的功能。 此外，第一存储系统具有管理信息的功能，诸如指示在哪个MT中存储逻辑卷的信息，以及在存储MT的库的哪个时隙中。 通过使用这些功能，可以将磁盘系统和MT库的存储区域整体地管理为逻辑卷，从而降低管理成本。

    METHOD AND APPARATUS FOR BACKUP AND RESTORE IN A DYNAMIC CHUNK ALLOCATION STORAGE SYSTEM
    9.
    发明申请
    METHOD AND APPARATUS FOR BACKUP AND RESTORE IN A DYNAMIC CHUNK ALLOCATION STORAGE SYSTEM 有权
    在动态分配存储系统中的备份和恢复的方法和装置

    公开(公告)号：US20120117345A1

    公开(公告)日：2012-05-10

    申请号：US13347040

    申请日：2012-01-10

    申请人： Yasunori Kaneda ,  Junichi Hara ,  Akira Yamamoto

    发明人： Yasunori Kaneda ,  Junichi Hara ,  Akira Yamamoto

    IPC分类号： G06F12/16

    CPC分类号： G06F11/1451 ,  G06F11/1456 ,  G06F11/1469

    摘要： Backup and restore operations are made possible in a storage system that has dynamic chunk allocation (DCA) capability. In a DCA storage system, a chunk of physical storage area is not allocated to a segment of a volume until a write command is received targeting the segment of the volume. During a restore operation of the volume in the DCA storage system, the wasting of storage capacity when a backup image of the volume is restored is mitigated by preventing allocation of physical storage areas to segments of restore data that are only void data.

    摘要翻译： 在具有动态块分配（DCA）功能的存储系统中，备份和还原操作成为可能。 在DCA存储系统中，物理存储区块不被分配到卷的一个段，直到接收到针对卷的段的写入命令。 在DCA存储系统中的卷的恢复操作期间，通过防止将物理存储区域分配给仅为无效数据的恢复数据的段，可以减轻在恢复卷的备份映像时存储容量的浪费。

    Method and apparatus for a unified storage system
    10.
    发明授权
    Method and apparatus for a unified storage system 有权

    公开(公告)号：US08037260B2

    公开(公告)日：2011-10-11

    申请号：US12968475

    申请日：2010-12-15

    申请人： Hidehisa Shitomi ,  Yasunori Kaneda ,  Akira Yamamoto

    发明人： Hidehisa Shitomi ,  Yasunori Kaneda ,  Akira Yamamoto

    IPC分类号： G06F12/00

    CPC分类号： G06F3/0661 ,  G06F3/0605 ,  G06F3/0613 ,  G06F3/0632 ,  G06F3/067 ,  G06F17/30197

    摘要： A unified storage system for executing a variety of types of storage control software using a single standardized hardware platform includes multiple storage control modules connected to storage devices for storing data related to input/output (I/O) operations. A first type of storage control software is initially installed and executed on a first storage control module for processing a first type of I/O operations. A management module replaces the first type of storage control software by installing a second type of storage control software onto the first storage control module. When the second type of storage control software is installed and executed, the first storage control module processes a second type of I/O operation, different from the first type of I/O operation. Control of volumes originally accessed by the first storage control module may be transferred to a second storage control module having the first type of storage control software installed.