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    • 1. 发明申请
    • VIRTUAL COMPUTER SYSTEM HAVING SR-IOV COMPLIANT DEVICE MOUNTED THEREON AND FAILURE DETECTION METHOD
    • 具有安装在其上的SR-IOV合并器件的虚拟计算机系统和故障检测方法
    • US20130151908A1
    • 2013-06-13
    • US13628681
    • 2012-09-27
    • Miho IWANAGAMasahiko YAMAUCHIDaisuke NAKAYAMA
    • Miho IWANAGAMasahiko YAMAUCHIDaisuke NAKAYAMA
    • G06F11/34
    • G06F11/0745G06F11/0712G06F11/079
    • A failure detection method including: detecting, by a virtual computer, occurrence of the failure in a virtual function of an I/O device; acquiring, a virtual device name corresponding to the virtual function in which the failure has occurred; referring, to device information retaining a virtual device name of the I/O device assigned to the virtual computer and VF specific information on the I/O device, thereby acquiring the VF specific information based on the acquired virtual device name; transmitting, the acquired VF specific information to the host; referring, by the host, to I/O correspondence information retaining a slot number of a slot in which the I/O device is mounted, and VF specific information, thereby acquiring the slot number corresponding to the VF specific information received from the virtual computer; and identifying, the acquired slot number as the slot number of the I/O device on which the failure has occurred.
    • 一种故障检测方法,包括:由虚拟计算机检测I / O设备的虚拟功能中的故障的发生; 获取与发生故障的虚拟功能相对应的虚拟设备名称; 参考保留分配给虚拟计算机的I / O设备的虚拟设备名称和I / O设备上的VF特定信息的设备信息,从而基于获取的虚拟设备名称获取VF特定信息; 将获取的VF特定信息发送给主机; 由主机引用保留安装I / O设备的时隙的时隙号的I / O对应信息和VF特定信息,从而获取与从虚拟计算机接收到的VF特定信息相对应的时隙号 ; 并将所获取的时隙号识别为发生故障的I / O设备的时隙号。
    • 2. 发明申请
    • Command control method in network storage system
    • 网络存储系统中的命令控制方法
    • US20050193058A1
    • 2005-09-01
    • US10933293
    • 2004-09-03
    • Yoshiko YasudaMiho Iwanaga
    • Yoshiko YasudaMiho Iwanaga
    • G06F13/10G06F3/06G06F12/00
    • G06F3/0659G06F3/061G06F3/0643G06F3/0656G06F3/067
    • Without setting a specific function to a disk device and adding a specific function to disk access commands, a command control method for limiting an address range to be targets of the commands to be capable of optimizing an execution order of the commands, and a network storage system using it are provided. The network storage system, to which one or more disk devices are connected and which comprises a request receiving means for accepting a file access request from a client and a file system control means for translating this request into the disk access commands, is provided with the command controller for accepting the disk access commands translated by the file system control means, classifying the commands using information managed by the file system control means, and optimizing a delivery order of the commands for each of the classified commands.
    • 没有为磁盘装置设定特定的功能并且将特定的功能添加到磁盘访问命令中,所述命令控制方法用于将地址范围限制为能够优化命令的执行顺序的命令的目标,以及网络存储 提供使用它的系统。 连接有一个或多个磁盘设备的网络存储系统,其包括用于从客户端接受文件访问请求的请求接收装置和用于将该请求转换为磁盘访问命令的文件系统控制装置, 命令控制器,用于接受由文件系统控制装置翻译的磁盘访问命令,使用由文件系统控制装置管理的信息对命令进行分类,以及优化每个分类命令的命令的传递顺序。
    • 3. 发明授权
    • Command control method in network storage system
    • 网络存储系统中的命令控制方法
    • US07370142B2
    • 2008-05-06
    • US10933293
    • 2004-09-03
    • Yoshiko YasudaMiho Iwanaga
    • Yoshiko YasudaMiho Iwanaga
    • G06F12/00G06F15/16
    • G06F3/0659G06F3/061G06F3/0643G06F3/0656G06F3/067
    • Without setting a specific function to a disk device and adding a specific function to disk access commands, a command control method for limiting an address range to be targets of the commands to be capable of optimizing an execution order of the commands, and a network storage system using it are provided. The network storage system, to which one or more disk devices are connected and which comprises a request receiving means for accepting a file access request from a client and a file system control means for translating this request into the disk access commands, is provided with the command controller for accepting the disk access commands translated by the file system control means, classifying the commands using information managed by the file system control means, and optimizing a delivery order of the commands for each of the classified commands.
    • 没有为磁盘装置设定特定的功能并且将特定的功能添加到磁盘访问命令中,所述命令控制方法用于将地址范围限制为能够优化命令的执行顺序的命令的目标,以及网络存储 提供使用它的系统。 连接有一个或多个磁盘设备的网络存储系统,其包括用于从客户端接收文件访问请求的请求接收装置和用于将该请求转换为磁盘访问命令的文件系统控制装置, 命令控制器,用于接受由文件系统控制装置翻译的磁盘访问命令,使用由文件系统控制装置管理的信息对命令进行分类,以及优化每个分类命令的命令的传递顺序。
    • 4. 发明授权
    • Computer network system for packet-transferring data between computers,
network file server in computer network system and data transferring
method thereof
    • 计算机网络系统,计算机网络系统中的网络文件服务器和数据传输方法
    • US6014695A
    • 2000-01-11
    • US971899
    • 1997-11-17
    • Hirofumi YamashitaYoshihiro TakiyasuMitsuo AsaiNozomu HiroseMiho IwanagaRyuichi OhnoTakeshi Onodera
    • Hirofumi YamashitaYoshihiro TakiyasuMitsuo AsaiNozomu HiroseMiho IwanagaRyuichi OhnoTakeshi Onodera
    • H04N5/765H04L29/06H04N5/222H04N5/781H04N7/173H04N21/21H04N21/27G06F15/16
    • H04L49/9047H04L29/06H04L49/90H04L49/901H04L29/06027H04L67/42
    • When an access request is generated from a client in a network file server comprising a computer including a communication controller connected to at least one client through a network and transferring information on a plurality of addresses inside a main storage device as one packet to at least one client, the main storage device having a buffer, a central processing unit and an input/output bus for mutually connecting the communication controller, the central processing unit and the main storage device, and a secondary storage device connected to the computer, an area for storing the data corresponding to this access request is allocated into the buffer of the main storage device. The data corresponding to the access request is read out from the secondary storage device, is transferred to the buffer and is stored in the allocated area. A header for the data in the allocated area in the buffer, the address and size of the header and the address and size of the data are generated in the main storage device on the basis of the access request. As the address and size of the header and the address and size of the data are reported to the communication controller, the data inside the allocated area in the buffer are transferred as one packet to at least one client by the communication controller.
    • 当从包括通过网络连接到至少一个客户端的通信控制器的计算机的网络文件服务器中的客户端生成访问请求时,将作为一个分组的主存储设备内的多个地址上的信息作为一个分组传送到至少一个 客户端,具有缓冲器的主存储设备,中央处理单元和用于相互连接通信控制器,中央处理单元和主存储设备的输入/输出总线以及连接到计算机的辅助存储设备,用于 存储对应于该访问请求的数据被分配到主存储装置的缓冲器中。 从辅助存储装置读出对应于访问请求的数据,被传送到缓冲器并被存储在所分配的区域中。 基于访问请求,在主存储装置中生成用于缓冲器中的分配区域中的数据的头部,头部的地址和大小以及数据的地址和大小。 由于报头的地址和大小以及数据的地址和大小被报告给通信控制器,因此通信控制器将缓冲区内的分配区域内的数据作为一个分组传送给至少一个客户端。
    • 6. 发明授权
    • File control method and system for allocating a free block to a file
when the previously allocated block is to be written to
    • 当要写入先前分配的块时,用于将空闲块分配给文件的文件控制方法和系统
    • US5926821A
    • 1999-07-20
    • US909073
    • 1997-08-14
    • Nozomu HiroseKumiko YagiMiho IwanagaHirofumi Yamashita
    • Nozomu HiroseKumiko YagiMiho IwanagaHirofumi Yamashita
    • G06F12/00G06F3/06G06F17/30
    • G06F3/0619G06F3/0643G06F3/0674Y10S707/99953
    • A file control method by which a number of a block first allocated to a file is saved in an external memory and data and a number of a block to be next linked or a flag indicative of an idle block are recorded in each block to thereby restore the file information, and a version of each block is recorded therein to thereby allow easy access to a data block of the specified version. A number of a head block in the file is always saved in an allocated block list of a file information area. The data and the number of the block to be next linked or the identifier indicative of an idle block are recorded in each block of the data storage area. A file control program, when it is desired to add new data to the file, allocates a spare idle block to the file. When file writing operation is interrupted, the head block number and the next block number of each block in the file information area are traced up to the idle block to thereby restore a file information table.
    • 将首先分配给文件的块的数量保存在外部存储器中的文件控制方法,并且在每个块中记录数据和要下一个链接的块的数量或表示空闲块的标志,从而恢复 文件信息和每个块的版本被记录在其中,从而允许容易地访问指定版本的数据块。 文件中的头块的数量总是保存在文件信息区域的分配的块列表中。 将要下一个链接的块的数据和编号或指示空闲块的标识符记录在数据存储区的每个块中。 文件控制程序当需要向文件添加新数据时,将一个备用空闲块分配给该文件。 当文件写入操作中断时,文件信息区域中的每个块的头块号和下一个块号被追溯到空闲块,从而恢复文件信息表。