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    Storage subsystem
    1.
    发明授权
    Storage subsystem 有权
    存储子系统

    公开(公告)号：US08521985B2

    公开(公告)日：2013-08-27

    申请号：US13568204

    申请日：2012-08-07

    申请人： Yoshinori Ohira ,  Shoji Kodama ,  Kenta Shiga ,  Yoshiaki Eguchi

    发明人： Yoshinori Ohira ,  Shoji Kodama ,  Kenta Shiga ,  Yoshiaki Eguchi

    IPC分类号： G06F12/00 ,  G06F13/00 ,  G06F13/28

    CPC分类号： G06F3/0664 ,  G06F3/0608 ,  G06F3/0641 ,  G06F3/067

    摘要： There is provided a storage subsystem having a virtual volume and a page volume which has a page physical area allocated to the virtual volume. The storage subsystem divides an address space of the virtual volume into a plurality of pages, classifies each of the pages into one of a plurality of states including at least a first state and a second state, and further divide a page which is classified into the second state into a plurality of segments to managed the page classified into the second state. The first state is a state in which a page physical area is allocated to the page from the page volume, and the write data is stored in the page physical area. The second state is a state in which the predetermined pattern data and the segment are managed, in the memory, by correlating with each other.

    摘要翻译： 提供了具有虚拟卷和具有分配给虚拟卷的页面物理区的页面卷的存储子系统。 存储子系统将虚拟卷的地址空间划分为多个页面，将每个页面分类为包括至少第一状态和第二状态的多个状态中的一个，并且进一步将分类为 第二状态转换成多个段以管理分类为第二状态的页面。 第一状态是页面物理区域从页面卷分配到页面的状态，并且写入数据被存储在页面物理区域中。 第二状态是在存储器中通过相互关联来管理预定图案数据和片段的状态。

    Storage subsystem
    2.
    发明授权
    Storage subsystem 有权
    存储子系统

    公开(公告)号：US08245007B2

    公开(公告)日：2012-08-14

    申请号：US12050301

    申请日：2008-03-18

    申请人： Yoshinori Ohira ,  Shoji Kodama ,  Kenta Shiga ,  Yoshiaki Eguchi

    发明人： Yoshinori Ohira ,  Shoji Kodama ,  Kenta Shiga ,  Yoshiaki Eguchi

    IPC分类号： G06F12/00 ,  G06F13/00 ,  G06F13/28

    CPC分类号： G06F3/0664 ,  G06F3/0608 ,  G06F3/0641 ,  G06F3/067

    摘要： There is provided a storage subsystem having a virtual volume and a page volume which has a page physical area allocated to the virtual volume. The storage subsystem divides an address space of the virtual volume into a plurality of pages, classifies each of the pages into one of a plurality of states including at least a first state and a second state, and further divide a page which is classified into the second state into a plurality of segments to managed the page classified into the second state. The first state is a state in which a page physical area is allocated to the page from the page volume, and the write data is stored in the page physical area. The second state is a state in which the predetermined pattern data and the segment are managed, in the memory, by correlating with each other.

    摘要翻译： 提供了具有虚拟卷和具有分配给虚拟卷的页面物理区的页面卷的存储子系统。 存储子系统将虚拟卷的地址空间划分为多个页面，将每个页面分类为包括至少第一状态和第二状态的多个状态中的一个，并且进一步将分类为 第二状态转换成多个段以管理分类为第二状态的页面。 第一状态是页面物理区域从页面卷分配到页面的状态，并且写入数据被存储在页面物理区域中。 第二状态是在存储器中通过相互关联来管理预定图案数据和片段的状态。

    STORAGE SUBSYSTEM
    3.
    发明申请
    STORAGE SUBSYSTEM 有权
    存储子系统

    公开(公告)号：US20090193219A1

    公开(公告)日：2009-07-30

    申请号：US12050301

    申请日：2008-03-18

    申请人： Yoshinori Ohira ,  Shoji Kodama ,  Kenta Shiga ,  Yoshiaki Eguchi

    发明人： Yoshinori Ohira ,  Shoji Kodama ,  Kenta Shiga ,  Yoshiaki Eguchi

    IPC分类号： G06F12/10 ,  G06F12/02

    CPC分类号： G06F3/0664 ,  G06F3/0608 ,  G06F3/0641 ,  G06F3/067

    摘要： There is provided a storage subsystem having a virtual volume and a page volume which has a page physical area allocated to the virtual volume. The storage subsystem divides an address space of the virtual volume into a plurality of pages, classifies each of the pages into one of a plurality of states including at least a first state and a second state, and further divide a page which is classified into the second state into a plurality of segments to managed the page classified into the second state. The first state is a state in which a page physical area is allocated to the page from the page volume, and the write data is stored in the page physical area. The second state is a state in which the predetermined pattern data and the segment are managed, in the memory, by correlating with each other.

    摘要翻译： 提供了具有虚拟卷和具有分配给虚拟卷的页面物理区的页面卷的存储子系统。 存储子系统将虚拟卷的地址空间划分为多个页面，将每个页面分类为包括至少第一状态和第二状态的多个状态中的一个，并且进一步将分类为 第二状态转换成多个段以管理分类为第二状态的页面。 第一状态是页面物理区域从页面卷分配到页面的状态，并且写入数据被存储在页面物理区域中。 第二状态是在存储器中通过相互关联来管理预定图案数据和片段的状态。

    Storage system and storage area allocation method having an automatic tier location function
    4.
    发明授权
    Storage system and storage area allocation method having an automatic tier location function 有权
    具有自动层位置功能的存储系统和存储区域分配方法

    公开(公告)号：US09311013B2

    公开(公告)日：2016-04-12

    申请号：US13125467

    申请日：2011-03-25

    申请人： Hiroaki Akutsu ,  Yoshinori Ohira ,  Yoshiaki Eguchi ,  Masayuki Yamamoto

    发明人： Hiroaki Akutsu ,  Yoshinori Ohira ,  Yoshiaki Eguchi ,  Masayuki Yamamoto

    IPC分类号： G06F3/06

    CPC分类号： G06F3/0649 ,  G06F3/061 ,  G06F3/0685

    摘要： If a monitor measurement cycle is set as a long cycle, promotion in a short cycle cannot be performed; and even if the number of I/Os is very large in response to fluctuations of the number of I/Os in several minutes to several hours of normal work, pages will be promoted after waiting for several weeks. As a result, I/Os which could have normally accepted by an upper tier will be accepted by a lower tier, which results in a problem of worsening the performance efficiency. A monitoring system capable of preventing demotion due to temporary reduction of the number of I/Os for specific pages from a viewpoint of a long cycle and enabling prompt promotion in response to an increase of the number of U/Os for 3 the specific pages is realized.A load index value defined from a viewpoint of a long cycle and a load index value defined from a viewpoint of a short cycle are updated based on the number of I/Os which is counted cyclically for each storage area. Promotion and demotion are implemented based on a value(s) calculated from these load index values.

    摘要翻译： 如果监视器测量周期设置为长周期，则不能执行短周期的升级; 即使I / O的数量在正常工作的几分钟到几个小时内因I / O数量的波动而非常大，等待几周后页面也会被提升。 因此，上层通常可以接受的I / O将被下层接受，导致性能效率恶化的问题。 能够从长周期的观点对特定页面的I / O数量的暂时减少进行防止降级的监视系统，能够响应于特定页面的3的U / Os的数量的增加而能够及时的提升， 实现了 基于对于每个存储区域循环计数的I / O的数量，更新从从短周期的角度定义的长周期和负载指标值的观点定义的负载指标值。 基于从这些负荷指数值计算的值来实现升级和降级。

    STORAGE SYSTEM AND STORAGE AREA ALLOCATION METHOD
    5.
    发明申请
    STORAGE SYSTEM AND STORAGE AREA ALLOCATION METHOD 有权
    存储系统和存储区域分配方法

    公开(公告)号：US20120246386A1

    公开(公告)日：2012-09-27

    申请号：US13125467

    申请日：2011-03-25

    申请人： Hiroaki Akutsu ,  Yoshinori Ohira ,  Yoshiaki Eguchi ,  Masayuki Yamamoto

    发明人： Hiroaki Akutsu ,  Yoshinori Ohira ,  Yoshiaki Eguchi ,  Masayuki Yamamoto

    IPC分类号： G06F12/02

    CPC分类号： G06F3/0649 ,  G06F3/061 ,  G06F3/0685

    摘要： If a monitor measurement cycle is set as a long cycle, promotion in a short cycle cannot be performed; and even if the number of I/Os is very large in response to fluctuations of the number of I/Os in several minutes to several hours of normal work, pages will be promoted after waiting for several weeks. As a result, I/Os which could have normally accepted by an upper tier will be accepted by a lower tier, which results in a problem of worsening the performance efficiency. A monitoring system capable of preventing demotion due to temporary reduction of the number of I/Os for specific pages from a viewpoint of a long cycle and enabling prompt promotion in response to an increase of the number of U/Os for 3the specific pages is realized.A load index value defined from a viewpoint of a long cycle and a load index value defined from a viewpoint of a short cycle are updated based on the number of I/Os which is counted cyclically for each storage area. Promotion and demotion are implemented based on a value(s) calculated from these load index values.

    摘要翻译： 如果监视器测量周期设置为长周期，则不能执行短周期的升级; 即使I / O的数量在正常工作的几分钟到几个小时内因I / O数量的波动而非常大，等待几周后页面也会被提升。 因此，上层通常可以接受的I / O将被下层接受，导致性能效率恶化的问题。 能够从长周期的观点对特定页面的I / O数量的暂时减少进行防止降级的监视系统，能够响应于特定页面的3的U / Os的数量的增加而能够及时的提升， 实现了 基于对于每个存储区域循环计数的I / O的数量，更新从从短周期的角度定义的长周期和负载指标值的观点定义的负载指标值。 基于从这些负荷指数值计算的值来实现升级和降级。

    Storage system including multiple storage apparatuses and pool virtualization method
    6.
    发明授权
    Storage system including multiple storage apparatuses and pool virtualization method 有权
    存储系统包括多个存储设备和池虚拟化方法

    公开(公告)号：US09104590B2

    公开(公告)日：2015-08-11

    申请号：US13639931

    申请日：2012-07-20

    申请人： Ai Satoyama ,  Yoshiaki Eguchi

    发明人： Ai Satoyama ,  Yoshiaki Eguchi

    IPC分类号： G06F12/10 ,  G06F3/06

    CPC分类号： G06F3/0659 ,  G06F3/0607 ,  G06F3/0616 ,  G06F3/0619 ,  G06F3/0665 ,  G06F3/0683 ,  G06F3/0689 ,  G06F12/1009

    摘要： A plurality of storage apparatuses including a first and second storage apparatus, wherein said first storage apparatus is configured to have a first virtual volume composed of a plurality of virtual segments, at least said second storage apparatus is configured to have a pool composed of a plurality of real pages, each storage apparatuses is configured to manage a virtual pool comprising one or more pools including at least said pool, said virtual pool is composed of a plurality of virtual pages, each virtual page corresponding to any real page, and said first storage apparatus is configured to receive a write command that specifies an address belonging to an unallocated virtual segment, allocate a free virtual page to said unallocated virtual segment, and write data to the real page corresponding to the allocated virtual page, even when said first storage apparatus does not have a pool composed of real pages.

    摘要翻译： 一种包括第一和第二存储装置的多个存储装置，其中所述第一存储装置被配置为具有由多个虚拟段组成的第一虚拟卷，至少所述第二存储装置被配置为具有由多个 每个存储装置被配置为管理包括至少包括所述池的一个或多个池的虚拟池，所述虚拟池由多个虚拟页面组成，每个虚拟页面对应于任何真实页面，并且所述第一存储器 设备被配置为接收指定属于未分配虚拟段的地址的写入命令，向所述未分配的虚拟段分配空闲虚拟页面，并且将数据写入到与所分配的虚拟页面相对应的真实页面，即使当所述第一存储设备 没有一个由真实页面组成的池。

    Storage system and data management method with application specific storage tiers
    7.
    发明授权
    Storage system and data management method with application specific storage tiers 有权
    具有应用程序存储层的存储系统和数据管理方法

    公开(公告)号：US09052823B2

    公开(公告)日：2015-06-09

    申请号：US12988653

    申请日：2010-05-18

    申请人： Masayuki Yamamoto ,  Yoshiaki Eguchi ,  Azusa Sudo

    发明人： Masayuki Yamamoto ,  Yoshiaki Eguchi ,  Azusa Sudo

    IPC分类号： G06F12/00 ,  G06F3/06

    CPC分类号： G06F3/0605 ,  G06F3/0649 ,  G06F3/0665 ,  G06F3/0685

    摘要： Proposes the realization of the performance stability operation of virtual volumes and the stabilized access performance for the virtual volumes in the storage apparatus. In the storage apparatus which configures a pool of multiple types of storage tiers of different performances, provides virtual volumes to the host computer and, in accordance with a write request from an application to a virtual volume, assigns pages to the relevant virtual volume from the pool, a policy associating an application with the virtual volume with which the relevant application reads/writes data, a storage tier to assign pages to the relevant virtual volume, and the priority of the relevant storage tier is managed and, in accordance with a write request from the application, complying with the corresponding policy, among the storage tiers associated with the corresponding virtual volume, pages are assigned from the storage tier of the higher priority to the relevant virtual volume.

    摘要翻译： 提出实现虚拟卷的性能稳定性操作和存储设备中虚拟卷的稳定访问性能。 在配置不同性能的多种类型的存储层的存储装置中，向主计算机提供虚拟卷，并且根据从应用到虚拟卷的写请求，将页面从相应的虚拟卷分配给 池，将应用与相关应用读取/写入数据的虚拟卷相关联的策略，将页面分配给相关虚拟卷的存储层，并且管理相关存储层的优先级，并且根据写入 在与相应的虚拟卷相关联的存储层之中，从应用程序请求符合相应的策略，页面从较高优先级的存储层分配给相关的虚拟卷。

    Virtual storage system and control method thereof
    9.
    发明授权
    Virtual storage system and control method thereof 有权
    虚拟存储系统及其控制方法

    公开(公告)号：US08595436B2

    公开(公告)日：2013-11-26

    申请号：US13398924

    申请日：2012-02-17

    申请人： Ai Satoyama ,  Yoshiaki Eguchi

    发明人： Ai Satoyama ,  Yoshiaki Eguchi

    IPC分类号： G06F12/00 ,  G06F13/00 ,  G06F13/28

    CPC分类号： G06F3/0662 ,  G06F3/0614 ,  G06F3/0683

    摘要： A virtual storage system is equipped with a plurality of storage systems and a virtualization device for virtualizing the plurality of storage systems logically into a single storage resource provided to a host computer. When one of the storage systems receives a command from the host computer, in the event that the storage system itself is not in possession of a function corresponding to the command, the storage system retrieves a storage system in possession of a function corresponding to the command and transfers this command to the storage system in possession of the function corresponding to the command.

    摘要翻译： 虚拟存储系统配备有多个存储系统和用于将多个存储系统逻辑地虚拟化为提供给主计算机的单个存储资源的虚拟化设备。 当其中一个存储系统接收到来自主计算机的命令时，在存储系统本身不拥有与该命令相对应的功能的情况下，存储系统检索具有对应于该命令的功能的存储系统 并将该命令传送到具有对应于该命令的功能的存储系统。