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1. 发明专利

JP2004171172A Storage control device with processor load control function 有权
标题翻译：具有加工器负载控制功能的存储控制装置
公开(公告)号：JP2004171172A
公开(公告)日：2004-06-17
申请号：JP2002334663
申请日：2002-11-19
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： TSUKADA MASARU , SAKAKI TOSHIKI , MAEDA MASAMI
IPC分类号： G06F13/14 , G06F3/06 , G06F15/177
摘要： PROBLEM TO BE SOLVED: To solve the problem wherein a port with high I/O load from a host processor applies high load to all processors, reducing response to the I/O request of other host processor.
SOLUTION: An area for setting a load rate distributed to each processor 33 for each bus group corresponding to a central processing unit 10 is provided in the memory of each channel control part 32, and its value is set from a service processor 50. Each load control part 32 receives an I/O request from a corresponding port 31 and calculates the current load rate for each processor related to an associated bus group to determine the processor to which the I/O request is applied so that the current load rate approximates a set load rate.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：为了解决主机处理器具有高I / O负载的端口对所有处理器施加高负载的问题，减少对其他主机处理器的I / O请求的响应。解决方案：在每个通道控制部分32的存储器中提供用于设置分配给每个处理器33的每个处理器33的对应于中央处理单元10的总线的区域，并且其值从服务处理器50设置每个负载控制部分32从对应端口31接收I / O请求，并且计算与相关联的总线组相关的每个处理器的当前负载率，以确定应用I / O请求的处理器，使得当前负载速率近似于设定的负载率。版权所有（C）2004，JPO

2. 发明专利

JP2003085117A Storage controlling device, and its operating method 有权
标题翻译：存储控制装置及其操作方法
公开(公告)号：JP2003085117A
公开(公告)日：2003-03-20
申请号：JP2001273932
申请日：2001-09-10
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： MAEDA MASAMI , AZUMI YOSHIHIRO , SAKAKI TOSHINORI , TSUKADA MASARU
IPC分类号： G06F13/10 , G06F3/00 , G06F3/06 , G06F13/12
CPC分类号： G06F3/0613 , G06F3/0658 , G06F3/0659 , G06F3/0689
摘要： PROBLEM TO BE SOLVED: To provide a storage controlling device capable of efficiently using a full duplex type communication passage.
SOLUTION: This storage controlling device connects to an upward processing device through the full duplex type communication passage and stores and manages data received through the communication passage into a data storing means. The storage controlling device has a plurality of channel processors for inputting or outputting data from a data storing means in response to a command included in the data (frame) transmitted from the upward processing device, and assigns the channel processors for inputting or outputting the data related to the data (frame) in response to the command included in the data (frame).
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：提供能够有效地使用全双工型通信通道的存储控制装置。解决方案：该存储控制装置通过全双工型通信通路连接到向上处理装置，并将通过通信通道接收的数据存储并管理到数据存储装置中。存储控制装置具有多个信道处理器，用于响应于从上行处理装置发送的数据（帧）中包含的命令，从数据存储装置输入或输出数据，并分配用于输入或输出数据的信道处理器与数据（帧）相关的数据（帧）相关。

3. 发明专利

JPH08221445A DATA RETRIEVAL METHOD 失效
公开(公告)号：JPH08221445A
公开(公告)日：1996-08-30
申请号：JP3043195
申请日：1995-02-20
申请人： HITACHI LTD , HITACHI COMPUTER PERIPHERALS
发明人： MAEDA MASAMI , SAKAKI TOSHINORI , HATANAKA TOSHIAKI , NISHIJIMA HIROSHI , MYOJIN YUKIO
IPC分类号： G06F3/06 , G06F12/08 , G06F17/30
摘要： PURPOSE: To provide a DKC by which the throughput of a central processing unit(CPU) is prevented from being lowered and signal exchange between the CPU and the DKC is unnecessitated by disconnecting the DKC and the CPU at the time of data retrieval in a computer system provided with a CKD system storage device. CONSTITUTION: At the time of data retrieval, a dummy completion report 61 is performed after the retrieval end of a first record, and a DKC is disconnected from the CPU. By the internal operation of the DKC, data retrieval 63 is executed by data on a cache memory. After the end of data retrieval, a retrieval completion report 64 is performed. Since the DKC and the CPU are disconnected at the time of data retrieval, the CPU is not occupied by the DKC at the time of data retrieval. Besides, since the signal exchange between the CPU and the DKC is unnecessitated, the physical distance between the CPU and the DKC can be extended.

4. 发明专利

JPH07262090A CACHE MEMORY CONTROL SYSTEM 失效
公开(公告)号：JPH07262090A
公开(公告)日：1995-10-13
申请号：JP4835194
申请日：1994-03-18
申请人： HITACHI LTD
发明人： NISHIJIMA HIROSHI , SAKAKI TOSHINORI , ARAKI SHIGENORI , MAEDA MASAMI
IPC分类号： G06F12/08
摘要： PURPOSE:To effectively process the jobs and to improve the using efficiency of a cache memory in a computer system by deciding the property in the use of the cache memory of a controller based on the hit rate, etc., of the job which is presently being carried out by the higher rank software. CONSTITUTION:The processing of a job is started by means of a cache memory 5 of a controller, and a threshold value set by all jobs including the processed one is compared with the job hit rate. If the using effect of the memory 5 is not recognized based on the result of comparison and the change of the hit rate, the use of the memory 5 is limited. Meanwhile, the memory 5 is continuously used if its using effect is recognized. Thereby, the memory 5 is used by a job of a high hit rate or a job whose hit rate is improved in accordance with the progress of its processing. As a result, the using efficiency of the memory 5 is improved.

5. 发明专利

JP2003085017A Data guarantee system 有权
标题翻译：数据保证系统
公开(公告)号：JP2003085017A
公开(公告)日：2003-03-20
申请号：JP2001274424
申请日：2001-09-11
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SAKAKI TOSHINORI , AZUMI YOSHIHIRO , MAEDA MASAMI , TSUKADA MASARU
IPC分类号： G06F12/16 , G06F3/06 , G06F12/00
摘要： PROBLEM TO BE SOLVED: To perform data transfer between a central processing unit and a master disc control device and between the master disc control device and a remote disc control device in parallel in remote copy processing, and to realize reception from the central processing unit and transmission to the remote disc control device at the same port.
SOLUTION: By utilizing bidirectional data transfer and multiprocessing which are characteristics of a fiber channel, and by using a header conversion circuit constituted from a header conversion buffer and a header conversion control part, a frame accepted from the central processing unit is stored once in the header conversion buffer in a master side disc device, and a header part of the frame is converted for remote side disc device transmission and transmitted. Hereby, the data transfer between the central processing unit and the master side disc device and between the master side disc device and the remote side disc device can be performed in parallel, to thereby improve processing performance. In addition, the reception from the central processing unit and the transmission to the remote side disc device can be realized at the same port.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：在远程复制处理中并行执行中央处理单元和母盘控制装置之间以及主盘控制装置和远程盘控制装置之间的数据传送，并实现从中央处理单元和在同一端口传输到远程光盘控制设备。解决方案：通过利用作为光纤通道特性的双向数据传输和多处理，并且通过使用由报头转换缓冲器和报头转换控制部分构成的报头转换电路，将从中央处理单元接收的帧存储在主机盘设备中的报头转换缓冲器，并且该帧的报头部分被转换用于远程侧盘设备的传输和发送。由此，可以并行地执行中央处理单元与主侧盘装置之间以及主侧盘装置与远程侧盘装置之间的数据传送，从而提高处理性能。此外，可以在同一端口实现从中央处理单元的接收和到远程侧盘设备的传输。

6. 发明专利

JP2008065561A Storage system and control method for storage system 有权
标题翻译：存储系统的存储系统和控制方法
公开(公告)号：JP2008065561A
公开(公告)日：2008-03-21
申请号：JP2006242055
申请日：2006-09-06
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SAKAKI TOSHINORI , TAKEUCHI HISAHARU , MAEDA MASAMI , TSUKADA MASARU
IPC分类号： G06F3/06 , G06F13/10
CPC分类号： G06F3/0662 , G06F3/0604 , G06F3/067 , H04L67/1097
摘要： PROBLEM TO BE SOLVED: To virtualize a plurality of disk storage devices and integrally manage them.
SOLUTION: A part of a physical storage 14 connected to a host computer 10 via a communication network 12 is virtualized with a virtual switch 18, a virtual control unit 20, and a virtual device 22. When the physical storage 14 receives a command from the host computer 10, the command is discriminated. If the access is for its own physical storage, I/O processing is performed by accessing a real disk via the virtual control unit 20 and the virtual device 22. If the access is not for the own physical storage, the command is transmitted to a transmission destination via the virtual switch 18 to integrally manage the plurality of physical storages 14 according to the command.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：虚拟化多个盘存储装置并整体地管理它们。解决方案：通过通信网络12连接到主计算机10的物理存储器14的一部分被虚拟交换机18，虚拟控制单元20和虚拟设备22虚拟化。当物理存储器14接收到命令被识别。如果访问是用于自己的物理存储器，则通过经由虚拟控制单元20和虚拟设备22访问真实磁盘来执行I / O处理。如果访问不是用于自己的物理存储，则该命令被发送到通过虚拟交换机18发送目的地，以根据该命令对多个物理存储器14进行整体管理。版权所有（C）2008，JPO＆INPIT

7. 发明专利

JP2000347999A COMPUTER SYSTEM AND DISK CONTROLLER 失效
公开(公告)号：JP2000347999A
公开(公告)日：2000-12-15
申请号：JP15842799
申请日：1999-06-04
申请人： HITACHI LTD
发明人： MAEDA MASAMI , SAKAKI TOSHINORI
IPC分类号： G06F15/16 , G06F3/06 , H04L13/08
摘要： PROBLEM TO BE SOLVED: To reduce the busy frequency of a CU(control unit) when the multiplicity of exchange increases and reaches the limit of processing capability of a DKC(disk controller) in a system where one or more CPUs can be connected to the DCK via a fiber channel. SOLUTION: An exchange queue table 17 registers an exchange under progress, and an exchange queue management table 18 stores the threshold of exchange multiplicity. An ACK-1 frame holding management table 19 manages a held ACK-1. A DKC 6 registers the transmission of the ACK-1 on the table 19 to delay it with respect to a receiving frame when the multiplicity of the exchange under progress exceeds its threshold by referring to both tables 17 and 18.

8. 发明专利

JPH0877063A DATA STORING METHOD 失效
公开(公告)号：JPH0877063A
公开(公告)日：1996-03-22
申请号：JP21027994
申请日：1994-09-02
申请人： HITACHI LTD
发明人： NISHIJIMA HIROSHI , TAKAMATSU HISASHI , SAKAKI TOSHINORI , HATANAKA TOSHIAKI , MAEDA MASAMI , ISHIKAWA TAKEHIRO
IPC分类号： G06F12/04
摘要： PURPOSE: To provide data storage technique which can effectively utilize the storage area of a recording medium while reducing a waste as much as possible. CONSTITUTION: A compressed data group 700 to be recorded and a data group 800 to be recorded after reproduction, update, and compression are recorded with respective data lengths by selecting one recording area which is equally divided in length which barely exceeds the data length to be recorded thereby causing the least waste, from among eight kinds of recording areas 301-308; each being equally divided in respective length. If the recording areas 301-308 are deficient, a replenishment area is replenished with an unused recording area and when the unused recording area is deficient, unnecessary recorded data in the recording areas 301-308 are rearranged to secure a free area, which is used as an unused recording area to use a reproduction, update, and recording area for compressed data with high efficiency.

9. 发明专利

JP2008234056A Storage device and control method for cache residence in storage system 审中-公开
标题翻译：存储系统存储设备和缓存存储控制方法
公开(公告)号：JP2008234056A
公开(公告)日：2008-10-02
申请号：JP2007069505
申请日：2007-03-16
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： MAEDA MASAMI , SAKAKI TOSHINORI
IPC分类号： G06F3/06 , G06F12/08 , G06F12/12
CPC分类号： G06F12/126 , G06F3/0605 , G06F3/0644 , G06F3/0664 , G06F3/0665 , G06F3/067 , G06F12/0813 , G06F12/0866
摘要： PROBLEM TO BE SOLVED: To allow a first storage device to unitarily manage cache residence setting in a second storage device that is an external storage device, in a storage system with an external storage connection configuration. SOLUTION: The first storage device holds cache resident information in the second storage device that is the external storage device in a shared memory. When a cache resident setting request from a management device or the like is given, the first storage device instructs the cache resident setting to the second storage device in reference to the resident information. The second storage device sets a cache resident area on its own cache memory according to the setting instruction. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：在具有外部存储连接配置的存储系统中，允许第一存储设备在作为外部存储设备的第二存储设备中对高速缓存存储设置进行统一管理。解决方案：第一存储设备在作为共享存储器中的外部存储设备的第二存储设备中保存高速缓存驻留信息。当提供来自管理设备等的缓存驻留设置请求时，第一存储设备参照驻留信息指示高速缓存驻留设置到第二存储设备。第二存储装置根据设置指令在其高速缓冲存储器上设置高速缓存驻留区域。版权所有（C）2009，JPO＆INPIT

10. 发明专利

JP2006309579A Storage control apparatus and storage system 审中-公开
标题翻译：存储控制装置和存储系统
公开(公告)号：JP2006309579A
公开(公告)日：2006-11-09
申请号：JP2005132681
申请日：2005-04-28
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： MAEDA MASAMI , FURUUMI NOBORU
IPC分类号： G06F13/12 , G06F3/06 , G06F13/10
CPC分类号： G06F13/385 , G06F3/0611 , G06F3/0659 , G06F3/0664 , G06F3/067 , G06F11/3485 , G06F11/349
摘要： PROBLEM TO BE SOLVED: To improve response performance for host apparatuses.
SOLUTION: A storage control apparatus (20) is connected with a host apparatus (10) and an externally connected storage control apparatus (90). The storage control apparatus (20) has a virtual device (42), in which a real volume (71) of the externally connected storage control apparatus (90) is mapped, and a channel controller (50) which controls access to the real volume (71) mapped to the virtual device (42) in response to a request from the host apparatus (10). The channel controller (50) divides or integrates CCW chains transmitted from the host apparatus (10) to allow the host apparatus (10) to access the real volume (71), and then transmits them to the externally connected storage control apparatus (90).
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提高主机设备的响应性能。解决方案：存储控制装置（20）与主机装置（10）和外部连接的存储控制装置（90）连接。存储控制装置（20）具有映射了外部连接的存储控制装置（90）的实际容积（71）的虚拟装置（42），以及控制对实际容量的访问的信道控制器（50）（71）响应于来自所述主机设备（10）的请求映射到所述虚拟设备（42）。信道控制器（50）对从主机装置（10）发送的CCW链进行分割或合并，使主机装置（10）访问实际卷（71），然后将其发送到外部连接的存储控制装置（90）。版权所有（C）2007，JPO＆INPIT

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