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1. 发明专利

JP2010102458A Storage system and method for controlling start of command 审中-公开
标题翻译：控制命令开始的存储系统和方法
公开(公告)号：JP2010102458A
公开(公告)日：2010-05-06
申请号：JP2008272551
申请日：2008-10-22
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： YAMAGUCHI YASUHIKO , TOKORO KEN , GOTO YOICHI
IPC分类号： G06F3/06
CPC分类号： G06F13/385 , G06F3/0611 , G06F3/0658 , G06F3/0689
摘要： PROBLEM TO BE SOLVED: To allow a storage system to control both the number of commands to be started per unit time and a response time of each command to be started, depending on the priority order of the commands.
SOLUTION: The storage system 110 includes a queue corresponding to each priority of a command, and a start order control unit. A command received by the storage system from a host computer is stored in a queue corresponding to a priority specified from the command. The start order control unit decides, for each queue, the number of commands to be started among a plurality of commands stored in the queue based on the priority corresponding to the queue. The start order control unit decides the order of starting the commands so that the mean value of logical response time of the commands is smaller as the priority of a queue is higher on the basis of the number of start commands decided for each queue. The start commands are started according to the decided start order.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：根据命令的优先顺序，允许存储系统控制每单位时间的命令数和要启动的每个命令的响应时间。解决方案：存储系统110包括对应于命令的每个优先级的队列和起始顺序控制单元。由存储系统从主计算机接收的命令被存储在与从命令指定的优先级相对应的队列中。起始顺序控制单元基于与队列对应的优先级，对于每个队列，决定存储在队列中的多个命令中的要启动的命令的数量。启动顺序控制单元决定启动命令的顺序，使得根据为每个队列确定的开始命令的数量，队列的优先级较高，命令的逻辑响应时间的平均值较小。启动命令根据决定的启动顺序启动。版权所有（C）2010，JPO＆INPIT

2. 发明专利

JP2005025683A Storage system and storage device system 有权
标题翻译：存储系统和存储设备系统
公开(公告)号：JP2005025683A
公开(公告)日：2005-01-27
申请号：JP2003270619
申请日：2003-07-03
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NAKAYAMA SHINICHI , GOTO YOICHI , TAMURA KEIJI
IPC分类号： G06F3/06 , G06F11/20 , G06F12/00 , G06F12/08
CPC分类号： G06F11/2076 , G06F3/0607 , G06F3/065 , G06F3/067 , G06F11/1464 , G06F12/0866
摘要： PROBLEM TO BE SOLVED: To enable the assurance of data under a hetero environment including different kinds of disk systems. SOLUTION: The cache controller 27 of a local disk system 10 stores, on receipt of a data writing request from a host computer 1, data in a local disk on a disk device group 30. The data received from the host computer 1 are transmitted also to a remote disk system 40 and stored in a remote disk. The data stored in the remote disk are immediately read, and the data written in the remote disk are compared with the data written in the local disk. According to this, the assurance of data on the remote side is processed on the local disk side, whereby the assurance of data in remote copying can be performed even in a storage system under the hetero environment. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了确保在异种环境下的数据，包括不同种类的磁盘系统。解决方案：本地磁盘系统10的高速缓存控制器27在接收到来自主计算机1的数据写入请求时存储在磁盘设备组30上的本地磁盘中的数据。从主计算机1接收的数据也被传送到远程磁盘系统40并存储在远程磁盘中。立即读取存储在远程磁盘中的数据，将写入远程磁盘的数据与写入本地磁盘的数据进行比较。据此，远程侧的数据的保证在本地盘侧进行处理，即使在异种环境下的存储系统中也能够进行远程复制中的数据的保证。版权所有（C）2005，JPO＆NCIPI

3. 发明专利

JP2007188341A Storage device controller 审中-公开
标题翻译：存储设备控制器
公开(公告)号：JP2007188341A
公开(公告)日：2007-07-26
申请号：JP2006006583
申请日：2006-01-13
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KOBAYASHI NAOTAKA , MATSUKI KUNIHITO , OGASAWARA YUTAKA , GOTO YOICHI
IPC分类号： G06F3/06 , G06F13/10
CPC分类号： G06F3/0658 , G06F3/061 , G06F3/064 , G06F3/067 , G06F12/0866
摘要： PROBLEM TO BE SOLVED: To provide a storage control system which has improved access performance with respect to a storage device by a plurality of I/O processors issuing I/O access requests in a well-balanced manner without the I/O access requests concentrating on the storage device with respect to a part of the plurality of I/O processors.
SOLUTION: In the storage control system, a logical volume is stripped in stripe size of an arbitrary storage capacity to form a plurality of stripe units and information which I/O processor of the plurality of I/O processors should output an I/O request by which stripe unit from the plurality of stripe units is stored in a memory as control information.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种存储控制系统，其通过多个I / O处理器以良好平衡的方式发出I / O访问请求而对存储设备的访问性能而没有I / O 相对于多个I / O处理器的一部分，存储设备的访问请求集中在存储设备上。解决方案：在存储控制系统中，以任意存储容量的条带大小剥离逻辑卷以形成多个条带单元和多个I / O处理器的I / O处理器应输出I / O请求，通过哪个条带单元被存储在存储器中作为控制信息。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2005301638A Disk array device and reserve release control method for same disk array device 审中-公开
标题翻译：磁盘阵列设备和相同磁盘阵列设备的保留释放控制方法
公开(公告)号：JP2005301638A
公开(公告)日：2005-10-27
申请号：JP2004116360
申请日：2004-04-12
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： GOTO YOICHI , IDO KENJI , UCHIUMI KATSUHIRO
IPC分类号： G06F3/06 , G06F12/00
CPC分类号： G06F3/0637 , G06F3/0617 , G06F3/0631 , G06F3/067
摘要： PROBLEM TO BE SOLVED: To easily confirm and release a reserve status left in an LDEV by the systemdown of a host etc.
SOLUTION: A server 1 reserves and exclusively uses an LEDV4. When the systemdown of the server 1 is generated due to any failure (S1), the LEDV4 is put in a reserved state as it is (S2). Thus, it is not possible for the server 2 to perform access to the LDEV4. A system manager reads the exclusive control information 6 in a memory 5 through a management terminal 7. Thus, it is possible to display and confirm the reserve state of each LDEV unit on a terminal picture. A user instructs the release of the reserve state from a management terminal 7 (S3). A disk array device 3 receives the release instruction, and partially rewrites exclusive control information 6, and releases the reserve state.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：通过主机等的系统轻松确认和释放LDEV中保留的状态。解决方案：服务器1保留并专门使用LEDV4。当由于任何故障而产生服务器1的系统故障时（S1），LEDV4被保持为预留状态（S2）。因此，服务器2不可能访问LDEV4。系统管理器通过管理终端7读取存储器5中的排他控制信息6.因此，可以在终端画面上显示并确认每个LDEV单元的保留状态。用户指示从管理终端7释放保留状态（S3）。磁盘阵列装置3接收释放指令，并且部分重写专用控制信息6，并释放保留状态。版权所有（C）2006，JPO＆NCIPI

5. 发明专利

JP2005157815A Storage system and data caching method therefor 有权
标题翻译：存储系统及其数据缓存方法
公开(公告)号：JP2005157815A
公开(公告)日：2005-06-16
申请号：JP2003396296
申请日：2003-11-26
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KIN EIKON , GOTO YOICHI , NAKAYAMA SHINICHI
IPC分类号： G06F3/06 , G06F12/00 , G06F12/08
CPC分类号： G06F3/0656 , G06F3/0611 , G06F3/0689 , G06F12/0811 , G06F12/0866 , G06F2212/284
摘要： PROBLEM TO BE SOLVED: To increase the speed at which a disk array device responds to a host. SOLUTION: A channel adapter 11 connected to the host 50 has a local cache memory 105. When receiving a data write request, the channel adapter 11 duplicates and writes write data into the local cache memory 105, sends a write-completion message to the host 50, and thereafter transfers the write data in the local cache memory 105 to a main cache memory 14 at a time in an asynchronous manner. The channel adapter 11 manages the directory information of the data in the local cache memory 105, and, when receiving a data read request from the host 50, determines according to the directory information whether or not the read data is found in the local cache memory 105; if it is found, the read data is transferred from the local cache memory 105 to the host 50. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提高磁盘阵列设备响应主机的速度。解决方案：连接到主机50的通道适配器11具有本地高速缓存存储器105.当接收到数据写入请求时，信道适配器11将写入数据复制并写入本地高速缓冲存储器105中，发送写入完成消息到主机50，然后以异步的方式一次将本地高速缓冲存储器105中的写入数据传送到主高速缓存存储器14。信道适配器11管理本地高速缓冲存储器105中的数据的目录信息，并且当从主机50接收到数据读取请求时，根据目录信息确定在本地高速缓冲存储器中是否找到读取的数据 105; 如果发现，则将读取的数据从本地高速缓冲存储器105传送到主机50.版权所有（C）2005，JPO＆NCIPI

6. 发明专利

JP2010026946A Storage subsystem and method of executing command by controller 有权
标题翻译：存储子系统和控制器执行命令的方法
公开(公告)号：JP2010026946A
公开(公告)日：2010-02-04
申请号：JP2008190242
申请日：2008-07-23
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： YAMAGUCHI YASUHIKO , GOTO YOICHI
IPC分类号： G06F3/06
CPC分类号： G06F3/0659 , G06F3/061 , G06F3/067
摘要： PROBLEM TO BE SOLVED: To process time-critical control commands while minimizing deterioration of a system performance.
SOLUTION: In a storage subsystem, when various commands are received in a multiplex manner via the same port from a plurality of host devices, the channel adapter of the storage subsystem extracts commands of a first kind from the received commands. Then, the adapter executes the extracted commands of the first kind with high priority within a given unit time until reaching a given number of guaranteed activations. At the same time, commands of a second kind are enqueued in a queue of commands. After the commands of the first kind are executed as many as the number of guaranteed activations, the commands of the second kind are executed in the unit time.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：处理时间关键的控制命令，同时最小化系统性能的恶化。解决方案：在存储子系统中，当通过来自多个主机设备的相同端口以多路复用方式接收各种命令时，存储子系统的信道适配器从接收到的命令中提取第一种命令。然后，适配器在给定单位时间内以高优先级执行提取的第一类命令，直到达到给定数量的保证激活。同时，第二种命令在命令队列中排队。在第一类命令执行与保证激活数一样多的命令之后，第二类的命令在单位时间内被执行。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2007079958A Storage controller, data processing method and computer program 审中-公开
标题翻译：存储控制器，数据处理方法和计算机程序
公开(公告)号：JP2007079958A
公开(公告)日：2007-03-29
申请号：JP2005267184
申请日：2005-09-14
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： GOTO YOICHI
IPC分类号： G06F3/06 , G06F12/00
CPC分类号： G06F12/0868 , G06F12/084 , G06F2212/1016 , G06F2212/262 , G06F2212/263 , G06F2212/314
摘要： PROBLEM TO BE SOLVED: To reduce overhead of a channel processor. SOLUTION: When a first channel processor (15) among a plurality of channel processors (15, 16) receives an I/O request from a host system, the second channel processor (16) executing a part of processing for responding to the I/O request is selected from the plurality of channel processors (15, 16) on the basis of LM directories (20, 21) of the respective channel processors (15, 16). The second processor (16) checks presence/absence of a cache hit. When the cache hit is performed, the second processor (16) transfers data to a buffer memory (17) from a cache memory 130. The first channel processor (15) processes the I/O request by use of the data transferred to the buffer memory (17). COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：减少通道处理器的开销。解决方案：当多个信道处理器（15,16）中的第一信道处理器（15）从主机系统接收到I / O请求时，第二信道处理器（16）执行一部分处理以响应基于相应信道处理器（15,16）的LM目录（20,21），从多个信道处理器（15,16）中选择I / O请求。第二处理器（16）检查高速缓存命中的存在/不存在。当执行高速缓存命中时，第二处理器（16）将数据从高速缓冲存储器130传送到缓冲存储器（17）。第一通道处理器（15）通过使用传送到缓冲器的数据来处理I / O请求记忆（17）。版权所有（C）2007，JPO＆INPIT

8. 发明专利

JP2002259065A STORAGE SYSTEM PROVIDED WITH TRACE INFORMATION COLLECTING MECHANISM 失效
公开(公告)号：JP2002259065A
公开(公告)日：2002-09-13
申请号：JP2001057623
申请日：2001-03-02
申请人： HITACHI LTD
发明人： KAWAGUCHI KATSUHIRO , YOKOHATA SHIZUO , NAKAYAMA SHINICHI , GOTO YOICHI
IPC分类号： G06F12/08 , G06F3/06 , G06F11/22 , G06F11/34 , G06F13/00
摘要： PROBLEM TO BE SOLVED: To accumulate trace data of large capacity by storing trace data in a buffer (cache memory) or a designated storage device in a storage controller. SOLUTION: A controller 20 issues instruction for collecting trace by an instruction from a host 10 or a service processor 30 and temporarily holds trace data in the cache memory 23 or stores it in the designated storage device 50 as permanent data, until trace data are absorbed from the host 10 or PC. The large quantity of trace data with consistency can be collected.

9. 发明专利

JP2002108567A STORAGE CONTROL APPARATUS 失效
公开(公告)号：JP2002108567A
公开(公告)日：2002-04-12
申请号：JP2000300563
申请日：2000-09-28
申请人： HITACHI LTD , HITACHI SOFTWARE ENG
发明人： IDO KENJI , GOTO YOICHI , YOKOHATA SHIZUO , HONMA SHIGEO , YOSHINO TOSHIYUKI
IPC分类号： G06F12/08 , G06F3/06 , G06F13/12 , G06F15/177
摘要： PROBLEM TO BE SOLVED: To process an I/O to be preferentially processed without being affected by any other I/O processing while maintaining performance by dividing the I/O processing into the priority processing and the non-priority processing, and processing the non-priority I/O while suppressing the processing. SOLUTION: A storage control apparatus 301 is provided with a memory 505 common to I/O processing control parts 501-504, and manages information for dividing plural I/O processing into the priority processing and the non- priority processing, and for controlling them in the memory 505. Thus, it is possible to operate the non-priority I/O while suppressing its processing.

10. 发明专利

JP2000222136A COMPUTER SYSTEM 失效
公开(公告)号：JP2000222136A
公开(公告)日：2000-08-11
申请号：JP2461899
申请日：1999-02-02
申请人： HITACHI LTD
发明人： GOTO YOICHI , NAKAYAMA SHINICHI , YOKOHATA SHIZUO
IPC分类号： G06F13/12 , G06F3/06
摘要： PROBLEM TO BE SOLVED: To shorten access time in a computer system constituted of plural storage controllers and magnetic disk devices. SOLUTION: A common management table 115 is provided with access state information (in-use or in-nonuse) and data updating time information for each data block unit and the storage controller 101 performs standby when the access state information is in-use at the time of writing data from a host 100 to a magnetic disk 114, changes to in-use at the time of in-nonuse, writes the data, updates the data updating time information to the time at the time of ending write and changes in-use to in-nonuse. Then, at the time of reading the data from the host, when the data are present in a cache 109 and the data updating time information in the cache and the data updating time information in the common management table match, the data in the cache are transferred to the host. When they do not match or the data are not present in the cache, the data are read from the magnetic disk and transferred to the host and in-use is changed to in-nonuse.

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