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    • 1. 发明专利
    • Network storage system, command controller, command control method in network storage system, and command control method in command controller
    • 网络存储系统,命令控制器,网络存储系统中的命令控制方法,命令控制器中的命令控制方法
    • JP2005250582A
    • 2005-09-15
    • JP2004056585
    • 2004-03-01
    • Hitachi Ltd株式会社日立製作所
    • YASUDA YOSHIKOIWANAGA YOSHIO
    • G06F13/10G06F3/06G06F12/00
    • G06F3/0659G06F3/061G06F3/0643G06F3/0656G06F3/067
    • PROBLEM TO BE SOLVED: To provide a command control method optimizing a command execution order by restricting an address range serving as an object of the command without equipping the disk device with any special function or adding any special function to a disk access command and to provide a network storage system using this command control method. SOLUTION: One or more disk devices 913 and 914, which include a request receipt means 110 receiving a file access request from a client and a file system control means 111 converting the request into the disk access command, are connected to this network storage system 103. The network storage system 103 is provided with a command controller 912, which receives a disk command converted by the file system control means 111, classifies information managed by the file system control means 111, and optimizes a command output order for each of the classified commands. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种命令控制方法,通过限制用作命令的对象的地址范围来优化命令执行顺序,而不对盘装置进行任何特殊功能的装备,或者对盘访问命令添加任何特殊功能 并提供使用该命令控制方法的网络存储系统。 解决方案:包括从客户接收文件访问请求的请求接收装置110和将请求转换为磁盘访问命令的文件系统控制装置111的一个或多个磁盘装置913和914连接到该网络 存储系统103.网络存储系统103设置有命令控制器912,其接收由文件系统控制装置111转换的盘命令,对由文件系统控制装置111管理的信息进行分类,并且优化每个 的分类命令。 版权所有(C)2005,JPO&NCIPI
    • 4. 发明专利
    • Method of managing system switching computer system
    • 管理系统切换计算机系统的方法
    • JP2010146087A
    • 2010-07-01
    • JP2008319872
    • 2008-12-16
    • Hitachi Ltd株式会社日立製作所
    • NAKAYAMA DAISUKEOKAZAWA KOICHIYAMAUCHI MASAHIKOIWANAGA YOSHIO
    • G06F11/20
    • PROBLEM TO BE SOLVED: To solve the following problem: in a computer system with a system switching function, when position information of an I/O connected to an active system computer and a standby system computer are different from each other, System becomes inoperable due to switching from the active system computer to the standby system computer. SOLUTION: Each computer is provided with a means for converting virtual position information of the I/O to be recognized in an OS level into physical position information. A management computer transfers a conversion table or the virtual position information of the I/O of the active system computer to the standby system computer. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:解决以下问题:在具有系统切换功能的计算机系统中,当连接到活动系统计算机和备用系统计算机的I / O的位置信息彼此不同时,系统 由于从主动系统计算机切换到备用系统计算机,因此无法使用。 解决方案:每个计算机设置有用于将要在OS级别识别的I / O的虚拟位置信息转换成物理位置信息的装置。 管理计算机将转换表或活动系统计算机的I / O的虚拟位置信息传送到备用系统计算机。 版权所有(C)2010,JPO&INPIT
    • 9. 发明专利
    • CONSECUTIVE INFORMATION RECORDING AND REPRODUCING DEVICE
    • JPH09190294A
    • 1997-07-22
    • JP1932996
    • 1996-01-10
    • HITACHI LTD
    • SAITO ATSUSHIIWANAGA YOSHIOOBA AKIHIKO
    • G06F3/06
    • PROBLEM TO BE SOLVED: To provide an information recording and reproducing device which can instantaneously reproduce consecutive information which is recorded in the past while continuous information is recorded in a storage device on a real time basis. SOLUTION: Information recording and reproducing units A-E are connected to a system controller 10. It divides inputted consecutive information for recording, writes them into a buffer memory 14 and sequentially transfers and records consecutive information in the buffer memory 14 to the units A-E for respective division units. Consecutive information which are divisionally recorded in the units are sequentially reproduced from the units A-E for the respective division units. The respective units A-E have plural disks 112-117 executing the parallel operation necessary for obtaining transfer speed required for the recording/ reproduction of consecutive information consecutive information transferred from the system controller 10 and divided are stored in a buffer memory 104. Stored information are recorded in parallel in the plural disks 112-117 and information reproduced in parallel from the plural disks 112-117 are transferred to the system controller 10.
    • 10. 发明专利
    • Virtual computer loaded with sr-iov corresponding device and failure detection method
    • 与SR-IOV受压虚拟计算机相应的设备和故障检测方法
    • JP2013120494A
    • 2013-06-17
    • JP2011268263
    • 2011-12-07
    • Hitachi Ltd株式会社日立製作所
    • IWANAGA YOSHIOYAMAUCHI MASAHIKONAKAYAMA DAISUKE
    • G06F11/30G06F9/46
    • G06F11/0745G06F11/0712G06F11/079
    • PROBLEM TO BE SOLVED: To quickly specify a physical I/O device in which any failure has occurred in a virtual computer loaded with an I/O device corresponding to an SR-IOV.SOLUTION: The virtual computer system includes a host including a virtualization part for allocating computer resources of a physical computer to a virtual computer, and an I/O device of the physical computer includes PF and VF, and corresponds to SR-IOV, and the physical computer includes a host which uses the PF of the I/O device via a PF driver and the virtual computer which uses the VF of the I/O device via a VF driver, and the virtual computer detects the name of a virtual device in which any failure has occurred in a virtual function, and acquires VF unique information corresponding to the name of the virtual device by referring to device information, and notifies the host of the VF unique information, and the host specifies a slot number corresponding to the VF unique information as the I/O device in which any failure has occurred by referring to I/O correspondence information.
    • 要解决的问题:要快速指定其中已经发生在加载有对应于SR-IOV的I / O设备的一个虚拟计算机的任何故障的物理I / O设备。 解决方案:虚拟计算机系统包括主机,其包括用于将物理计算机的计算机资源分配给虚拟计算机的虚拟化部分,物理计算机的I / O设备包括PF和VF,并且对应于SR-IOV 并且物理计算机包括经由PF驱动器使用I / O设备的PF的主机和经由VF驱动器使用I / O设备的VF的虚拟计算机,并且虚拟计算机检测到 在虚拟功能中发生任何故障的虚拟设备,并且通过参考设备信息获取与虚拟设备的名称相对应的VF唯一信息,并向主机通知VF唯一信息,并且主机指定对应的时隙号 到VF唯一信息作为I / O设备,其中任何故障通过参考I / O对应信息发生。 版权所有(C)2013,JPO&INPIT