Method for managing shared resources
    81.
    发明授权
    Method for managing shared resources 失效
    管理共享资源的方法

    公开(公告)号:US6105098A

    公开(公告)日:2000-08-15

    申请号:US139565

    申请日:1998-08-25

    CPC分类号: G06F9/52

    摘要: An enqueue structure type is provided within a coupling facility to record the use state and to manage a request queue of resources shared among programs on computers of a system. All programs to use a shared resource issue a request to reserve the shared resource to the coupling facility before using it. The coupling facility affords the permission to use the resource to the programs if it is usable, and adds the programs to the resource request queue if unusable. When a program using the shared resource frees it, the coupling facility fetches a program from the beginning of the request queue, reserves the shared resource for the next program and notifies the next program that the use of the shared resource has been approved. On receiving the notification, the program uses the shared resource without asking the coupling facility for the approval of the use of the shared resource again. Further, exclusive control of shared resources by use of a spin lock having shared and exclusive attributes is implemented by using two locks for one shared resource, wherein the first lock is reserved and then freed after the second lock is reserved.

    摘要翻译: 在耦合设备内提供了一个入库结构类型,用于记录使用状态,并管理系统计算机上程序之间共享资源的请求队列。 使用共享资源的所有程序在使用共享资源之前发出请求以将共享资源保留到耦合设备。 如果可用,耦合设施提供使用资源给程序的权限,如果不可用,则将该程序添加到资源请求队列中。 当使用共享资源的程序释放它时,耦合设备从请求队列的开始处获取一个程序,为下一个程序保留共享资源,并通知下一个程序,即共享资源的使用已被批准。 在收到通知后,该程序使用共享资源,而不要求耦合设备再次批准使用共享资源。 此外,通过使用具有共享和独占属性的自旋锁对共享资源的独占控制通过对一个共享资源使用两个锁来实现,其中第一个锁被保留,然后在第二个锁被保留之后被释放。

    COMPUTER SYSTEM
    83.
    发明申请
    COMPUTER SYSTEM 有权
    电脑系统

    公开(公告)号:US20130086349A1

    公开(公告)日:2013-04-04

    申请号:US13264838

    申请日:2011-09-29

    IPC分类号: G06F12/14

    摘要: A computer system includes: a first storage apparatus; a second storage apparatus; a first volume of the first storage apparatus; and a second volume of the second storage apparatus; wherein the first volume and the second volume have a copy pair relationship and a host system recognizes the second volume as the same volume as the first volume; and wherein the first storage apparatus sends reservation information of the first volume to the second storage apparatus; and the second storage apparatus controls access from the host system on the basis of the received reservation information.

    摘要翻译: 计算机系统包括:第一存储装置; 第二存储装置; 第一容积的第一存储装置; 和第二容积的第二存储装置; 其中所述第一卷和所述第二卷具有副本对关系,并且主机系统将所述第二卷识别为与所述第一卷相同的卷; 并且其中所述第一存储装置向所述第二存储装置发送所述第一卷的预约信息; 并且第二存储装置基于接收到的预约信息来控制来自主机系统的访问。

    Storage system and remote copy control method for storage system
    84.
    发明授权
    Storage system and remote copy control method for storage system 有权
    存储系统的存储系统和远程复制控制方法

    公开(公告)号:US08347053B2

    公开(公告)日:2013-01-01

    申请号:US13489624

    申请日:2012-06-06

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

    摘要: A storage system for managing a plurality of asynchronous remote copy proceedings between a plurality of first storage control devices and a plurality of second storage control devices, wherein each of a plurality of second storage control devices stores one or more update data corresponding to one or more update data related information including the same update reflection time information with the one that is received or older update reflection time information than this in a one or more second logical volume and changes status of the one or more second logical volumes to suspend status.

    摘要翻译: 一种存储系统,用于在多个第一存储控制装置和多个第二存储控制装置之间管理多个异步远程复制程序,其中多个第二存储控制装置中的每一个存储对应于一个或多个的一个或多个更新数据 在一个或多个第二逻辑卷中更新与包含相同的更新反射时间信息的数据相关信息,其中所述更新反映时间信息与所接收到的更新反射时间信息相比更新,或更新反映时间信息,并且改变一个或多个第二逻辑卷的状态以暂停状态。

    Information system, data transfer method and data protection method
    85.
    发明授权
    Information system, data transfer method and data protection method 有权
    信息系统,数据传输方式和数据保护方法

    公开(公告)号:US08281179B2

    公开(公告)日:2012-10-02

    申请号:US13039526

    申请日:2011-03-03

    IPC分类号: G06F11/00

    摘要: Availability of an information system including a storage system that performs remote copy between two or more storage apparatuses and a host computer using such storage system is improved. A third storage apparatus including a third volume is coupled to a first storage apparatus, a fourth storage apparatus including a fourth volume is coupled to a second storage apparatus, the first and third storage apparatuses perform remote copy of copying data stored in a first volume to the third volume, the first and second storage apparatuses perform remote copy of copying data stored in the first volume to a second volume, and the third and fourth storage apparatuses perform remote copy of copying data stored in the third volume to the fourth volume.

    摘要翻译: 提高包括在两个或多个存储设备之间执行远程复制的存储系统的信息系统和使用这种存储系统的主计算机的可用性。 包括第三卷的第三存储装置耦合到第一存储装置,包括第四卷的第四存储装置耦合到第二存储装置,第一和第三存储装置执行存储在第一卷中的复制数据的远程副本 第三卷,第一和第二存储装置将存储在第一卷中的复制数据的远程副本执行到第二卷,并且第三和第四存储装置执行存储在第三卷中的复制数据的远程副本到第四卷。

    Information system and I/O processing method
    86.
    发明授权
    Information system and I/O processing method 有权
    信息系统和I / O处理方法

    公开(公告)号:US08060777B2

    公开(公告)日:2011-11-15

    申请号:US12248138

    申请日:2008-10-09

    申请人: Kenta Ninose

    发明人: Kenta Ninose

    IPC分类号: G06F11/07

    摘要: First and second storage apparatuses respectively and internally set a remote copy pair for copying data of a first volume to a second volume and associate a third volume with a remote copy pair according to an external command. When an I/O request to the first volume ends in an error, a host computer sends an I/O request directed to the second volume to the second storage apparatus. If the first and the second storage apparatuses detect a failure in the first or the second storage apparatus of the other side or a connection failure between the first and the second storage apparatuses, the first and the second storage apparatuses store in the third volume a failure information flag showing that the failure was detected.

    摘要翻译: 第一和第二存储装置分别在内部设置用于将第一卷的数据复制到第二卷的远程副本对,并且根据外部命令将第三卷与远程副本对相关联。 当向第一卷的I / O请求以错误结束时,主计算机向第二存储装置发送指向第二卷的I / O请求。 如果第一和第二存储装置检测到另一侧的第一或第二存储装置中的故障或第一和第二存储装置之间的连接故障,则第一和第二存储装置在第三卷中存储故障 信息标志显示检测到故障。

    Computer system and method of managing status thereof
    87.
    发明授权
    Computer system and method of managing status thereof 有权
    计算机系统及其管理方法

    公开(公告)号:US08055863B2

    公开(公告)日:2011-11-08

    申请号:US11234195

    申请日:2005-09-26

    IPC分类号: G06F12/00

    CPC分类号: G06F11/2058 G06F11/2069

    摘要: There is disclosed a data storage system used in a computer environment where there are plural host computers and plural storage array controllers. When a remote copy is made while assuring the order of writing across plural storage array controllers, one of the host computers gains copy information about all the storage array controllers associated with the remote copy as a representative. The representative one of the storage array controllers collects and stores copy statuses which are individually managed by the storage array controllers for which a remote copy is made. The host computer gains the copy statuses from the representative controller using an instruction to gain the copy statuses.

    摘要翻译: 公开了一种在存在多个主计算机和多个存储阵列控制器的计算机环境中使用的数据存储系统。 当在多个存储阵列控制器之间确保写入顺序的同时进行远程复制时,其中一个主计算机作为代表获得关于与远程副本相关联的所有存储阵列控制器的复制信息。 代表性的存储阵列控制器之一收集并存储由进行远程拷贝的存储阵列控制器单独管理的复制状态。 主计算机使用指令获得复制状态从代表控制器获得复制状态。

    Remote copy system
    88.
    发明授权
    Remote copy system 有权
    远程复制系统

    公开(公告)号:US08032726B2

    公开(公告)日:2011-10-04

    申请号:US12206325

    申请日:2008-09-08

    IPC分类号: G06F12/16

    CPC分类号: G06F11/2064 G06F11/2071

    摘要: A remote copy system includes a plurality of first storage systems and a plurality of second storage systems. Each first storage system assigns a sequential number to write data received from the host and sends the write data with the sequential number to the second storage system. One of the first storage systems defers the processing of the write request received from the host and instructs each of the first storage systems to create a marker, whereupon each of the first storage systems defers the processing of the write request, creates a marker including a sequential number and having a marker number, and sends the marker to the second storage system. Each of the second storage systems, when receiving a marker from the first storage system, stores the marker number included in the marker. One of the second storage systems reads the marker number stored by each of the second storage systems and reports to each of the second storage systems the marker number of smallest value of the marker numbers which were thus read. Each of the second storage systems writes to a logical volume in sequential number order write data, of the write data received from the first storage system, that includes a sequential number of a value smaller than the sequential number of the marker including the marker number reported from one of the second storage systems.

    摘要翻译: 远程复制系统包括多个第一存储系统和多个第二存储系统。 每个第一存储系统分配顺序号码以写入从主机接收的数据,并将具有序列号的写入数据发送到第二存储系统。 第一存储系统之一延迟处理从主机接收到的写入请求,并且指示每个第一存储系统创建标记,于是每个第一存储系统延迟写入请求的处理,创建一个标记,其包括 顺序号并具有标记号,并将标记发送到第二存储系统。 当从第一存储系统接收到标记时,第二存储系统中的每一个存储包括在标记中的标记号。 第二存储系统中的一个读取由每个第二存储系统存储的标记号,并向每个第二存储系统报告由此读取的标记号的最小值的标记号。 第二存储系统中的每一个以连续的数量顺序写入从第一存储系统接收的写入数据的数据写入逻辑卷,该数据包括小于包括所报告的标记数的标记序列号的值的序列号 来自第二个存储系统之一。

    STORAGE SYSTEM AND REMOTE COPY CONTROL METHOD FOR STORAGE SYSTEM
    89.
    发明申请
    STORAGE SYSTEM AND REMOTE COPY CONTROL METHOD FOR STORAGE SYSTEM 有权
    存储系统的存储系统和远程复制控制方法

    公开(公告)号:US20110219189A1

    公开(公告)日:2011-09-08

    申请号:US13109386

    申请日:2011-05-17

    IPC分类号: G06F12/08

    摘要: A storage system maintains consistency of the stored contents between volumes even when a plurality of remote copying operations are executed asynchronously. A plurality of primary storage control devices and a plurality of secondary storage control devices are connected by a plurality of paths, and remote copying is performed asynchronously between respective first volumes and second volumes. Write data transferred from the primary storage control device to the secondary storage control device is held in a write data storage portion. Update order information, including write times and sequential numbers, is managed by update order information management portions. An update control portion collects update order information from each update order information management portion, determines the time at which update of each second volume is possible, and notifies each-update portion. By this means, the stored contents of each second volume can be updated up to the time at which update is possible.

    摘要翻译: 即使当多个远程复制操作被异步地执行时,存储系统也保持存储在卷之间的内容的一致性。 多个主存储控制装置和多个辅助存储控制装置通过多个路径连接,并且在相应的第一卷和第二卷之间异步地执行远程复制。 将从主存储控制装置传送到副存储控制装置的写入数据保存在写入数据存储部分中。 更新订单信息(包括写入时间和顺序号)由更新订单信息管理部分管理。 更新控制部分从每个更新订单信息管理部分收集更新订单信息,确定可以更新每个第二卷的时间,并通知每个更新部分。 通过这种方式,可以更新每个第二卷的存储内容直到可能进行更新的时间。

    Information system, data transfer method and data protection method
    90.
    发明授权
    Information system, data transfer method and data protection method 有权
    信息系统,数据传输方式和数据保护方法

    公开(公告)号:US07925914B2

    公开(公告)日:2011-04-12

    申请号:US12767021

    申请日:2010-04-26

    IPC分类号: G06F11/00

    摘要: Availability of an information system including a storage system that performs remote copy between two or more storage apparatuses and a host computer using such storage system is improved. A third storage apparatus including a third volume is coupled to a first storage apparatus, a fourth storage apparatus including a fourth volume is coupled to a second storage apparatus, the first and third storage apparatuses perform remote copy of copying data stored in a first volume to the third volume, the first and second storage apparatuses perform remote copy of copying data stored in the first volume to a second volume, and the third and fourth storage apparatuses perform remote copy of copying data stored in the third volume to the fourth volume.

    摘要翻译: 提高包括在两个或多个存储设备之间执行远程复制的存储系统的信息系统和使用这种存储系统的主计算机的可用性。 包括第三卷的第三存储装置耦合到第一存储装置,包括第四卷的第四存储装置耦合到第二存储装置,第一和第三存储装置执行存储在第一卷中的拷贝数据的远程拷贝到 第三卷,第一和第二存储装置将存储在第一卷中的复制数据的远程副本执行到第二卷,并且第三和第四存储装置执行存储在第三卷中的复制数据的远程副本到第四卷。