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    • 1. 发明专利
    • Computer system and allocation method for storage area
    • 计算机系统和存储区域的分配方法
    • JP2007072672A
    • 2007-03-22
    • JP2005257797
    • 2005-09-06
    • Hitachi Ltd株式会社日立製作所
    • ABE SHIGERUSHINOHARA DAISUKENAKAGAWA HIROTAKAYAMAMOTO MASAYUKI
    • G06F3/06G06F12/00
    • G06F3/0665G06F3/0605G06F3/0632G06F3/067
    • PROBLEM TO BE SOLVED: To reduce a burden of a manager on volume production. SOLUTION: An evaluation hint value and a performance hint value are adopted as hint values to each hint. The manager determines the evaluation hint value in consideration of business use or the like of a business server 1 allocating a volume. The performance hint value is used to determine a configuration and performance of the volume produced in a storage system 3. A management server 2 has a conversion table showing correspondence between the evaluation hint value and the performance hint value decided in consideration of a hardware configuration in each storage system 3. The management server 2 converts the evaluation hint value designated by the manager into the performance hint value by use of the conversion table corresponding to the storage system 3 intended to be produced with the volume, and produces the volume in the storage system 3 according to the performance hint value. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:减少管理人员批量生产的负担。

      解决方案:评估提示值和性能提示值被采用为每个提示的提示值。 考虑到分配卷的业务服务器1的业务用途等,经理确定评估提示值。 性能提示值用于确定在存储系统3中产生的卷的配置和性能。管理服务器2具有转换表,其示出了评估提示值和考虑到硬件配置中确定的性能提示值之间的对应关系 每个存储系统3.管理服务器2通过使用与要用该卷生成的存储系统3相对应的转换表将由管理器指定的评估提示值转换为性能提示值,并且在存储器中产生卷 系统3根据性能提示值。 版权所有(C)2007,JPO&INPIT

    • 4. 发明专利
    • Method for managing storage capacity of storage system
    • 管理存储系统存储容量的方法
    • JP2006048559A
    • 2006-02-16
    • JP2004231792
    • 2004-08-09
    • Hitachi Ltd株式会社日立製作所
    • ABE SHIGERUYAMAMOTO MASAYUKI
    • G06F3/06G06F12/00G06F13/10
    • G06F3/0632G06F3/0608G06F3/065G06F3/067
    • PROBLEM TO BE SOLVED: To solve the problem of a storage manager having to understand the configuration of a remote copy in order to correctly predict storage capacities for use in storage devices to which the remote copy is to be copied, the problem of the configuration of the remote copy being very costly because of the need to frequently increase the capacity of each storage device, and the problem of the storage manager having to know the kinds of disks since different kinds of disk devices may be used in the storage device. SOLUTION: A capacity management method, for managing the capacity of the storage unit of each storage device in a computer system having a plurality of storage devices interconnected via a network and each having one or more storage units providing one or more storage areas, includes detecting the relationship between one storage area and another storage area, and calculating the predicted capacity of each storage unit based on the detection result. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了解决存储管理者必须理解远程副本的配置以正确预测要用于复制远程副本的存储设备中的存储容量的问题, 由于需要频繁地增加每个存储设备的容量,所以远程副本的配置是非常昂贵的,并且存储管理器必须知道各种磁盘的种类的问题,因为可以在存储设备中使用不同种类的磁盘设备 。 解决方案:一种容量管理方法,用于管理具有通过网络互连的多个存储设备的每个存储设备的存储单元的容量,每个存储单元具有提供一个或多个存储区域的一个或多个存储单元 包括检测一个存储区域与另一个存储区域之间的关系,以及基于检测结果计算每个存储单元的预测容量。 版权所有(C)2006,JPO&NCIPI
    • 5. 发明专利
    • DEVICE FOR SPECIFYING FAULT MODE
    • JPH0572251A
    • 1993-03-23
    • JP4352491
    • 1991-03-08
    • HITACHI LTDHOKURIKU ELECTRIC POWER
    • ABE SHIGERUTSUJI KOICHIYANAGIDA TADAYUKI
    • G01R31/08H02H3/38H02H7/26H02J13/00
    • PURPOSE:To enhance the performance of the device locating the fault point of a transmission line and calculating the resistance of the fault point by using a line constant corrected on the basis of the dividing ratio of the fault current of a transmission line to be measured into an overhead earth wire and the ground. CONSTITUTION:When a fault is generated in a transmission line 20. a fault phase specifying device 50 specifies the resistance of the fault point of the transmission line 20. The voltage and current signals at both terminals of the specific objective line 20 are necessary as input signals in the device 50 and, when the current of an S-terminal is set to IS, the voltage thereof is set to VS, the current of an R-terminal is set to IR and the voltage thereof is set to VR, current transformers 21, 22 take in the current signals IS, IR and transformers 23, 24 take in the voltage signals VS, VR. The device 50 uses the line constant corrected on the basis of the dividing ratio of the fault current of the transmission line 20 into an overhead earth wire and the ground to calculate the distance M up to a fault point and the resistance RE of the fault point on the basis of the voltage signal VS and current signal IR of the S-terminal according a Kirchhoffr's law to output and display the same.
    • 6. 发明专利
    • SPECIFYING DEVICE FOR ACCIDENT ASPECT OF ELECTRIC POWER SYSTEM
    • JPH03259755A
    • 1991-11-19
    • JP5638190
    • 1990-03-09
    • HITACHI LTDHOKURIKU ELECTRIC POWER
    • TSUJI KOICHIYANAGIDA TADAYUKIABE SHIGERUTAKIGUCHI YUTAKA
    • G01R31/08H02H7/26
    • PURPOSE:To reduce an error in evaluation of an accident point and to estimate the cause of accident with calculating also a resistance on the accident point by arithmetically processing time sequential voltage/current data of plural terminals collected to a central unit from each terminal device so that the sum of square of the measuring errors becomes minimum. CONSTITUTION:The terminal devices 100 and 200 are provided on the terminals S and R respectively and furnished with memory parts capable of storing voltage/current signals of each own terminal and signals for opening/closing state of circuit breaker CB, etc., and the devices consist of signal input parts 110, 210 having the function to convert the signals at the same time on each terminal to the digital amounts for storage and also transmission devices 150, 250 capable of transmitting/receiving the signals between both terminals. Data transmission line 310 is one to be used for transmitting the information of terminals S and R, e.g., a telephone line, microwave line, optical communication line, etc. can be used for the above. Then, the voltage/current signals of terminals S and R, signals for the opening/ closing state of circuit breakers, etc., are inputted to the central unit 500, and the time sequential voltage/current data of the terminals S, R collected from each terminal device 100, 200 are arithmetically processed so that the sum of square of the measuring error becomes minimum, thereby the accident point of electric power system and the resistance of accident point are calculated.
    • 9. 发明专利
    • AUTOMATIC INSPECTION METHOD OF TRANSMISSION LINE
    • JPH11136844A
    • 1999-05-21
    • JP29816797
    • 1997-10-30
    • HITACHI LTD
    • KUMAGAI KAZUAKIABE SHIGERU
    • H02H3/05
    • PROBLEM TO BE SOLVED: To so lock automatic inspections of first and second system devices of a self terminal as to make possible their normal operations, when the second system device of the opposite terminal of a transmission line which is a protective object fails in the protective relay of the transmission line. SOLUTION: In this automatic inspection method, accepting the abnormality condition of a second system device 22 of a self terminal (terminal A), this condition is transmitted to an opposite terminal via a normal transmission line 41. When this condition is received at the opposite terminal (terminal B), the automatic inspections of first and second system devices 23, 24 of the opposite terminal can be locked. As a result, when the second system device of an opposite electric station is abnormal, the automatic inspections of the system devices of a self electric station can be locked to improve the stability of a power system by making possible the high-speed breaking of the power system in the case of its fault.
    • 10. 发明专利
    • DEFECT DETECTION SYSTEM FOR TRANSMISSION STANDBY CIRCUIT
    • JPH0685770A
    • 1994-03-25
    • JP23681692
    • 1992-09-04
    • HITACHI LTD
    • ABE SHIGERUSATO KATSUJITSURUKAWA HISASHI
    • H04B17/00H04L1/22
    • PURPOSE:To simplify a fault detection of a standby route of a transmission line by detecting a transmission defect of a standby line on the condition of the code rule discrimination and the consecutive same signals. CONSTITUTION:Defect of a reception signal discriminated to be normal by a code rule discrimination circuit is discriminated on the condition of consecutive same signals for processing time by monitoring the consecutive signal 1s or 0s. The monitoring is sequentially implemented by a reception modem of a standby line 4 and the result is informed to a CPU 11 via an input output interface 19. In this case, when the input output interface 19 detects a defect, a fault of the standby line is informed by an external alarm output 20, the standby line is investigated and restored and even when a fault of an active line is detected by the CPU 11, the changeover is locked by the software processing so that undesired changeover processing to the standby line is not implemented simultaneously. Thus, a reception control section exclusively used for the standby line is not required and the interfacing with a synchronization control section is not needed, then the synchronization control section is simplified.