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1. 发明授权

US09003140B2 Storage system, storage control apparatus, and storage control method 有权
标题翻译：存储系统，存储控制装置和存储控制方法
公开(公告)号：US09003140B2
公开(公告)日：2015-04-07
申请号：US13585100
申请日：2012-08-14
申请人： Kazuhiko Ikeuchi , Hidejirou Daikokuya , Takeshi Watanabe , Norihide Kubota , Atsushi Igashira , Kenji Kobayashi , Ryota Tsukahara
发明人： Kazuhiko Ikeuchi , Hidejirou Daikokuya , Takeshi Watanabe , Norihide Kubota , Atsushi Igashira , Kenji Kobayashi , Ryota Tsukahara
IPC分类号： G06F12/00 , G06F3/00 , G06F11/20 , G06F11/10
CPC分类号： G06F11/2087 , G06F11/1092
摘要： A storage system including first storage devices constituting a first logical storage area, second storage devices constituting a second logical storage area; and a storage control apparatus. The storage control apparatus manages the first and second logical storage areas so that the data stored in the first and second logical storage areas have redundancy, and parity data for the data stored in the second logical storage area are stored in parity storage areas arranged in part of the second storage devices. When part of the first storage devices constituting part of the first logical storage area fail, the storage control apparatus generates part of the data stored, before the failure, in the part of the first storage devices, and stores the generated part of the data in at least part of the second parity storage areas in the second logical storage area.
摘要翻译：一种存储系统，包括构成第一逻辑存储区域的第一存储装置，构成第二逻辑存储区域的第二存储装置; 和存储控制装置。存储控制装置管理第一和第二逻辑存储区域，使得存储在第一和第二逻辑存储区域中的数据具有冗余性，并且存储在第二逻辑存储区域中的数据的奇偶校验数据被存储在部分布置的奇偶校验存储区域中的第二存储设备。当构成第一逻辑存储区域的一部分的第一存储装置的一部分出现故障时，存储控制装置在第一存储装置的一部分中生成在故障之前存储的数据的一部分，并将生成的部分数据存储在第二逻辑存储区域中的第二奇偶校验存储区域的至少一部分。

2. 发明申请

US20130067165A1 DISK ARRAY DEVICE AND DISK ARRAY DEVICE CONTROL METHOD 有权
标题翻译：磁盘阵列设备和磁盘阵列设备控制方法
公开(公告)号：US20130067165A1
公开(公告)日：2013-03-14
申请号：US13557282
申请日：2012-07-25
申请人： Hidejirou DAIKOKUYA , Kazuhiko Ikeuchi , Chikashi Maeda , Takeshi Watanabe , Norihide Kubota , Atsushi Igashira , Kenji Kobayashi , Ryota Tsukahara
发明人： Hidejirou DAIKOKUYA , Kazuhiko Ikeuchi , Chikashi Maeda , Takeshi Watanabe , Norihide Kubota , Atsushi Igashira , Kenji Kobayashi , Ryota Tsukahara
IPC分类号： G06F12/08
CPC分类号： G06F11/1076 , G06F3/0689 , G06F11/2221 , G06F2211/1073 , G11C29/4401
摘要： A disk array device includes hard disks from which RAID groups are configured. Therein, a volume setting unit sets one or more used areas. A data check control unit determines, on the basis of the state into which the used areas have been set, which areas in the RAID groups are subject to a diagnosis. A data check execution unit that executes a cyclical diagnosis on the areas determined, by the data check control unit, to be those subject to a diagnosis.
摘要翻译：磁盘阵列设备包括配置RAID组的硬盘。其中，音量设定单元设定一个或多个使用的区域。数据检查控制单元基于已经设置了使用区域的状态来确定RAID组中的哪些区域进行诊断。一种数据检查执行单元，其对由数据检查控制单元确定为被诊断的区域执行循环诊断。

3. 发明申请

US20130047028A1 STORAGE SYSTEM, STORAGE CONTROL DEVICE, AND STORAGE CONTROL METHOD 有权
标题翻译：存储系统，存储控制设备和存储控制方法
公开(公告)号：US20130047028A1
公开(公告)日：2013-02-21
申请号：US13570398
申请日：2012-08-09
申请人： Hidejirou Daikokuya , Kazuhiko Ikeuchi , Takeshi Watanabe , Norihide Kubota , Atsushi Igashira , Kenji Kobayashi , Ryota Tsukahara
发明人： Hidejirou Daikokuya , Kazuhiko Ikeuchi , Takeshi Watanabe , Norihide Kubota , Atsushi Igashira , Kenji Kobayashi , Ryota Tsukahara
IPC分类号： G06F11/20
CPC分类号： G06F11/1092 , G06F11/0727 , G06F11/076 , G06F11/0772 , G06F11/2094
摘要： A control device manages a plurality of storage devices so that data to be recorded is redundantly recorded in different storage devices. An error monitoring unit monitors an occurrence of an error in each of the plurality of storage devices to register information indicative of error occurrence conditions in an error information storage unit for each storage device. When the use of one of the plurality of storage devices is stopped, a rebuild controller determines a timing to perform rebuild processing based on past error occurrence conditions in the storage devices other than the one storage device of the plurality of storage devices by referring to information registered in the error information storage unit.
摘要翻译：控制装置管理多个存储装置，使得要记录的数据被冗余地记录在不同的存储装置中。错误监视单元监视多个存储设备中的每一个中的错误的发生，以在每个存储设备的错误信息存储单元中注册表示错误发生状况的信息。当停止使用多个存储装置中的一个时，重建控制器通过参考信息，基于多个存储装置中的一个存储装置以外的存储装置中的过去的错误发生状况来确定执行重建处理的定时登记在错误信息存储单元中。

4. 发明申请

US20130024730A1 DISK CONTROL APPARATUS, METHOD OF DETECTING FAILURE OF DISK APPARATUS, AND RECORDING MEDIUM FOR DISK DIAGNOSIS PROGRAM 有权
标题翻译：磁盘控制装置，检测盘装置故障的方法，以及用于磁盘诊断程序的记录介质
公开(公告)号：US20130024730A1
公开(公告)日：2013-01-24
申请号：US13541822
申请日：2012-07-05
申请人： Kenji Kobayashi , Norihide Kubota , Atsushi Igashira , Ryota Tsukahara , Hidejirou Daikokuya , Kazuhiko Ikeuchi , Chikashi Maeda
发明人： Kenji Kobayashi , Norihide Kubota , Atsushi Igashira , Ryota Tsukahara , Hidejirou Daikokuya , Kazuhiko Ikeuchi , Chikashi Maeda
IPC分类号： G06F11/07
CPC分类号： G11B5/09 , G06F11/0727 , G06F11/079 , G06F11/1076 , G11B5/012 , G11B20/18 , G11B2220/415
摘要： A disk control apparatus includes a processor, and a memory coupled to the processor in which executes a process as follows. The process includes diagnosing whether or not a failure has occurred on each of a plurality of disk apparatuses, determining, when the failure has occurred, whether or not the failure is a pre-defined failure, and excluding from diagnosis targets, when the failure is the pre-defined failure, a disk apparatus group included in a RAID together with a failed disk apparatus that is determined to have the pre-defined failure in the plurality of disk apparatuses.
摘要翻译：磁盘控制装置包括处理器和耦合到处理器的存储器，其中执行如下处理。该过程包括诊断多个盘装置中的每一个是否发生故障，确定何时发生故障，故障是否是预定义的故障，并且从诊断目标中排除，当故障是预定义的故障，包括在RAID中的磁盘设备组以及被确定为在多个磁盘设备中具有预定义的故障的故障磁盘设备。

5. 发明申请

US20120011317A1 DISK ARRAY APPARATUS AND DISK ARRAY CONTROL METHOD 审中-公开
标题翻译：磁盘阵列设备和磁盘阵列控制方法
公开(公告)号：US20120011317A1
公开(公告)日：2012-01-12
申请号：US13095017
申请日：2011-04-27
申请人： Kazuhiko IKEUCHI , Hidejirou Daikokuya , Chikashi Maeda , Norihide Kubota
发明人： Kazuhiko IKEUCHI , Hidejirou Daikokuya , Chikashi Maeda , Norihide Kubota
IPC分类号： G06F12/16
CPC分类号： G06F3/0689 , G06F3/0613 , G06F3/0659
摘要： When executing a sequential process on a volume of disks constituting RAID, a disk array apparatus determines whether a process other than the sequential process is executed in a predetermined period. The disk array apparatus specifies a disk type when the execution determining unit determines that no process other than the sequential process is executed in the predetermined period. The disk array apparatus then determines a multiplicity according to the disk type and executes the sequential process with the determined multiplicity.
摘要翻译：当对构成RAID的磁盘卷执行顺序处理时，磁盘阵列装置确定在预定周期内是否执行顺序处理以外的处理。当执行确定单元确定在该预定时间段内不执行除顺序处理之外的处理时，磁盘阵列装置指定磁盘类型。然后，磁盘阵列装置根据磁盘类型确定多重性，并以确定的多重性执行顺序处理。

6. 发明申请

US20110289273A1 DISK ARRAY DEVICE AND METHOD FOR CONTROLLING DISK ARRAY DEVICE 有权
标题翻译：盘阵列装置和控制盘阵列装置的方法
公开(公告)号：US20110289273A1
公开(公告)日：2011-11-24
申请号：US13091924
申请日：2011-04-21
申请人： Kazuhiko Ikeuchi , Hidejirou Daikokuya , Chikashi Maeda , Norihide Kubota
发明人： Kazuhiko Ikeuchi , Hidejirou Daikokuya , Chikashi Maeda , Norihide Kubota
IPC分类号： G06F12/08
CPC分类号： G06F12/0868 , G06F3/0613 , G06F3/0632 , G06F3/0635 , G06F3/0685 , G06F3/0689 , G06F11/201 , G06F2212/261
摘要： A disk array device includes, a cache memory, a plurality of types of disk drives of which data transfer capacity are different, redundant transmission paths that are data transfer paths between the cache memory and the disk drives, and a controller to divide the disk drives into two groups based on the data transfer capacity and allocate each of the two groups to each of the redundant transmission paths when the disk drives have three types.
摘要翻译：磁盘阵列装置包括高速缓冲存储器，数据传输容量不同的多种类型的磁盘驱动器，作为高速缓冲存储器和磁盘驱动器之间的数据传送路径的冗余传输路径，以及用于划分磁盘驱动器的控制器基于数据传输容量分为两组，当磁盘驱动器有三种类型时，将两组中的每一个分配给每个冗余传输路径。

7. 发明授权

US08015435B2 Data writing method 有权
标题翻译：数据写入方式
公开(公告)号：US08015435B2
公开(公告)日：2011-09-06
申请号：US12369389
申请日：2009-02-11
申请人： Atsushi Igashira , Hideo Takahashi , Yoshihito Konta , Norihide Kubota
发明人： Atsushi Igashira , Hideo Takahashi , Yoshihito Konta , Norihide Kubota
IPC分类号： G06F11/00
CPC分类号： G06F11/1435 , G06F11/1076 , G06F2211/1019 , G06F2211/1059
摘要： According to an aspect of an embodiment, a method for controlling a controller connected to a plurality of storage units storing data, the controller including a cache and a buffer, the method comprising the steps of: storing data in the cache; generating parity data corresponding to the data and storing the parity data in the buffer; writing the data and the parity data into the plurality of the storage units; comparing the parity data stored in the buffer with the parity data written into and read out from at least one of the storage unit; deleting, when the parity data stored in the buffer is different from the parity data read out from the storage unit, the parity data from the buffer; and regenerating parity data from data stored in the cache and rewriting the regenerated parity data into at least one of the storage unit.
摘要翻译：根据实施例的一个方面，一种用于控制连接到存储数据的多个存储单元的控制器的方法，所述控制器包括高速缓存和缓冲器，所述方法包括以下步骤：将数据存储在所述高速缓存中; 产生与数据相对应的奇偶校验数据并将奇偶校验数据存储在缓冲器中; 将数据和奇偶校验数据写入多个存储单元; 将存储在缓冲器中的奇偶校验数据与写入并从存储单元中的至少一个读出的奇偶校验数据进行比较; 当存储在缓冲器中的奇偶校验数据与从存储单元读出的奇偶校验数据不同时，删除来自缓冲器的奇偶校验数据; 以及从存储在所述高速缓存中的数据重新生成奇偶校验数据，并将所述再生的奇偶校验数据重写到所述存储单元中的至少一个中。

8. 发明授权

US07949895B2 Data reading method 有权
标题翻译：数据读取方式
公开(公告)号：US07949895B2
公开(公告)日：2011-05-24
申请号：US12259664
申请日：2008-10-28
申请人： Atsushi Igashira , Hideo Takahashi , Yoshihito Konta , Norihide Kubota
发明人： Atsushi Igashira , Hideo Takahashi , Yoshihito Konta , Norihide Kubota
IPC分类号： G06F11/00
CPC分类号： G06F11/1088 , G06F11/1076 , G06F2211/1057 , G06F2211/1059
摘要： According to an aspect of an embodiment, a method for controlling a controller connected to a plurality of storage units which are arranged in a redundant configuration, the controller reading data stored in the plurality of storage units in accordance with requests received from a host computer, the method comprising the steps of: receiving requests to read data successively from one of the storage units from the host computer; reading a part of requested target data from said one of the storage units; reading associated data and parity data stored in other storage units corresponding to other part of requested target data; generating other part of requested target data on the basis of the associated data and the parity data read out from the other storage units; and transmitting the part of the target data and the other part of the target data to the host computer.
摘要翻译：根据实施例的一个方面，一种用于控制连接到以冗余配置布置的多个存储单元的控制器的方法，所述控制器根据从主计算机接收的请求读取存储在所述多个存储单元中的数据，该方法包括以下步骤：从主计算机接收从一个存储单元连续读取数据的请求; 从所述存储单元中的一个读取所请求的目标数据的一部分; 读取存储在与所请求的目标数据的其他部分相对应的其他存储单元中的关联数据和奇偶校验数据; 根据相关联的数据和从其他存储单元读出的奇偶校验数据产生所请求的目标数据的其他部分; 并将目标数据的一部分和目标数据的另一部分发送到主计算机。

9. 发明授权

US07925919B2 Disk management method, disk management device and storage system 有权
标题翻译：磁盘管理方法，磁盘管理设备和存储系统
公开(公告)号：US07925919B2
公开(公告)日：2011-04-12
申请号：US12234940
申请日：2008-09-22
申请人： Norihide Kubota , Hideo Takahashi , Yoshihito Konta , Atsushi Igashira , Mikio Ito , Hidejirou Daikokuya , Kazuhiko Ikeuchi , Chikashi Maeda , Yuji Noda , Tsuyoshi Nakagami
发明人： Norihide Kubota , Hideo Takahashi , Yoshihito Konta , Atsushi Igashira , Mikio Ito , Hidejirou Daikokuya , Kazuhiko Ikeuchi , Chikashi Maeda , Yuji Noda , Tsuyoshi Nakagami
IPC分类号： G06F11/00
CPC分类号： G06F11/2082 , G11B20/1803 , G11B2020/1823 , G11B2220/41 , G11B2220/415
摘要： A disk management method for managing a disk management device for writing and reading data to and from a disk drive in which a recording medium is managed in a first control unit. The disk management method includes an error checking operation for checking an error on the recording medium in the first control unit, an error correction operation for correcting the error detected in the error, an error correcting operation for correcting the error detected in the error checking operation after converting data including the error to the second control unit, a data loss registration operation for registering a region in which data are lost due to an inconsistency between the first control unit and second control unit in a data loss region table, and a data loss recovery operation for recovering the loss of data with reference to the data loss region table.
摘要翻译：一种用于管理磁盘管理装置的磁盘管理方法，用于向第一控制单元中管理记录介质的磁盘驱动器写入和读取数据。磁盘管理方法包括用于检查第一控制单元中的记录介质上的错误的错误检查操作，用于校正在错误中检测到的错误的纠错操作，用于校正在错误检查操作中检测到的错误的纠错操作在将包括错误的数据转换为第二控制单元之后，在数据丢失区域表中记录由于第一控制单元和第二控制单元之间的不一致而导致数据丢失的区域的数据丢失登记操作，以及数据丢失参考数据丢失区域表恢复数据丢失的恢复操作。

10. 发明申请

US20090327801A1 Disk array system, disk controller, and method for performing rebuild process 审中-公开
标题翻译：磁盘阵列系统，磁盘控制器和执行重建过程的方法
公开(公告)号：US20090327801A1
公开(公告)日：2009-12-31
申请号：US12385585
申请日：2009-04-13
申请人： Chikashi Maeda , Mikio Ito , Hidejirou Daikokuya , Kazuhiko Ikeuchi , Hideo Takahashi , Yoshihito Konta , Norihide Kubota
发明人： Chikashi Maeda , Mikio Ito , Hidejirou Daikokuya , Kazuhiko Ikeuchi , Hideo Takahashi , Yoshihito Konta , Norihide Kubota
IPC分类号： G06F11/20
CPC分类号： G06F12/0866 , G06F11/1092 , G06F11/1662 , G06F11/2094 , G11B2220/415
摘要： In a disk array system, when a failure occurs in a disk unit under control, a disk controller performs a rebuild process for rebuilding data stored on the faulty disk unit on a spare disk unit (HS). When a rebuild control section accepts an I/O request from a host before completing the rebuild process in all target areas, the rebuild control section specifies a management unit area including a target area of the I/O request and determines whether the rebuild process is completed in the management unit area. If the rebuild process is not completed in the management unit area, the rebuild control section performs the rebuild process in the management unit area by a rebuild process section and rebuilds data on the HS. After that, an I/O request handling section handles the I/O request.
摘要翻译：在磁盘阵列系统中，当在控制的磁盘单元中发生故障时，磁盘控制器执行用于重建存储在备用磁盘单元（HS）上的故障磁盘单元上的数据的重建过程。当重建控制部分在完成所有目标区域内的重建过程之前接受来自主机的I / O请求时，重建控制部分指定包括I / O请求的目标区域的管理单元区域，并确定重建过程是否为在管理单位区完成。如果在管理单元区域中未完成重建过程，则重建控制部分通过重建处理部分在管理单元区域中执行重建处理，并在HS上重建数据。之后，I / O请求处理部分处理I / O请求。

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