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1. 发明授权

US07913039B2 Array-type disk apparatus preventing data lost and providing improved failure tolerance 有权
标题翻译：阵列型磁盘装置防止数据丢失并提供改进的故障容限
公开(公告)号：US07913039B2
公开(公告)日：2011-03-22
申请号：US12793988
申请日：2010-06-04
申请人： Ikuya Yagisawa , Takeki Okamoto , Naoto Matsunami , Mikio Fukuoka , Toshio Nakano , Kenichi Takamoto , Akira Yamamoto
发明人： Ikuya Yagisawa , Takeki Okamoto , Naoto Matsunami , Mikio Fukuoka , Toshio Nakano , Kenichi Takamoto , Akira Yamamoto
IPC分类号： G06F12/00
CPC分类号： G06F11/008 , G06F11/1662 , G06F11/2069 , G06F11/2089 , G06F11/2094 , G06F11/2097 , G06F2201/81
摘要： A storage system includes a plurality of disk apparatuses configuring a plurality of RAID groups, a spare disk apparatus, and a controller. The controller is adapted to copy data stored in a disk apparatus, whose error count exceeds a first threshold, to the spare disk apparatus. If an error count of a disk apparatus included in a RAID group exceeds a second threshold which is lower than the first threshold, the controller is adapted to check error counts of other disk apparatuses included in the same RAID group. If any of the error counts of the other disk apparatuses included in the same RAID group exceeds the second threshold, the controller is adapted to change the first value of the first disk apparatus and the other disk apparatuses included in the same RAID group.
摘要翻译：存储系统包括配置多个RAID组的多个盘装置，备用盘装置和控制器。控制器适于将存储在其错误计数超过第一阈值的盘装置中的数据复制到备用盘装置。如果包括在RAID组中的磁盘装置的错误计数超过低于第一阈值的第二阈值，则控制器适用于检查包括在同一RAID组中的其他磁盘装置的错误计数。如果包括在同一RAID组中的其他磁盘装置的任何错误计数超过第二阈值，则控制器适于改变包括在同一RAID组中的第一磁盘装置和其它磁盘装置的第一值。

2. 发明申请

US20100241898A1 ARRAY-TYPE DISK APPARATUS PREVENTING DATA LOST AND PROVIDING IMPROVED FAILURE TOLERANCE 有权
标题翻译：防止数据丢失的阵列式磁盘设备并提供改进的故障公差
公开(公告)号：US20100241898A1
公开(公告)日：2010-09-23
申请号：US12793988
申请日：2010-06-04
申请人： Ikuya Yagisawa , Takeki Okamoto , Naoto Matsunami , Mikio Fukuoka , Toshio Nakano , Kenichi Takamoto , Akira Yamamoto
发明人： Ikuya Yagisawa , Takeki Okamoto , Naoto Matsunami , Mikio Fukuoka , Toshio Nakano , Kenichi Takamoto , Akira Yamamoto
IPC分类号： G06F11/20 , G06F12/00
CPC分类号： G06F11/008 , G06F11/1662 , G06F11/2069 , G06F11/2089 , G06F11/2094 , G06F11/2097 , G06F2201/81
摘要： Disclosed is storage system, that is, an array-type disk apparatus which is provided with an error monitor section which monitors the status of error occurrence in a disk drive and instructs initiation of mirroring between the disk drive and a spare disk drive when the number of errors occurred of the disk drive exceeds a specified value, and a mirror section which performs mirroring between the disk drive and spare disk drive. Storage system, that is, the array-type disk apparatus may be provided with an error monitor section which monitors the status of error occurrence in a disk drive and gives such an instruction as to set the status of the disk drive in a temporary blocked state, and a data restoring section which executes data restoration by reading data from the temporary blocked disk drive when reading from another disk drive constituting a disk array group is not possible during data restoration.
摘要翻译：公开了一种存储系统，即具有错误监视部分的阵列式磁盘设备，该错误监视部分监视磁盘驱动器中的错误发生状态，并指示当磁盘驱动器和备用磁盘驱动器之间的镜像启动时磁盘驱动器发生的错误超过指定值，以及在磁盘驱动器和备用磁盘驱动器之间执行镜像的镜像部分。存储系统，即阵列型磁盘装置可以设置有错误监视部分，该部分监视磁盘驱动器中的错误发生的状态，并给出这样的指令，以将磁盘驱动器的状态设置为临时阻止状态以及数据恢复部，其在数据恢复期间是不可能的，所述数据恢复部通过从临时被阻止的磁盘驱动器读取数据来执行数据恢复，当从构成磁盘阵列组的另一磁盘驱动器读取数据时。

3. 发明申请

US20050166084A1 Array-type disk apparatus preventing lost data and providing improved failure tolerance 失效
标题翻译：阵列式磁盘装置防止丢失数据并提供改进的故障容限
公开(公告)号：US20050166084A1
公开(公告)日：2005-07-28
申请号：US11067085
申请日：2005-02-25
申请人： Ikuya Yagisawa , Takeki Okamoto , Naoto Matsunami , Mikio Fukuoka , Toshio Nakano , Kenichi Takamoto , Akira Yamamoto
发明人： Ikuya Yagisawa , Takeki Okamoto , Naoto Matsunami , Mikio Fukuoka , Toshio Nakano , Kenichi Takamoto , Akira Yamamoto
IPC分类号： G06F3/06 , G06F11/00 , G06F11/20
CPC分类号： G06F11/008 , G06F11/1662 , G06F11/2069 , G06F11/2089 , G06F11/2094 , G06F11/2097 , G06F2201/81
摘要： Disclosed is storage system, that is, an array-type disk apparatus which is provided with an error monitor section which monitors the status of error occurrence in a disk drive and instructs initiation of mirroring between the disk drive and a spare disk drive when the number of errors occurred of the disk drive exceeds a specified value, and a mirror section which performs mirroring between the disk drive and spare disk drive. Storage system, that is, the array-type disk apparatus may be provided with an error monitor section which monitors the status of error occurrence in a disk drive and gives such an instruction as to set the status of the disk drive in a temporary blocked state, and a data restoring section which executes data restoration by reading data from the temporary blocked disk drive when reading from another disk drive constituting a disk array group is not possible during data restoration.
摘要翻译：公开了一种存储系统，即具有错误监视部分的阵列式磁盘设备，该错误监视部分监视磁盘驱动器中的错误发生状态，并指示当磁盘驱动器和备用磁盘驱动器之间的镜像启动时磁盘驱动器发生的错误超过指定值，以及在磁盘驱动器和备用磁盘驱动器之间执行镜像的镜像部分。存储系统，即阵列型磁盘装置可以设置有错误监视部分，该部分监视磁盘驱动器中的错误发生的状态，并给出这样的指令，以将磁盘驱动器的状态设置为临时阻止状态以及数据恢复部，其在数据恢复期间是不可能的，所述数据恢复部通过从临时被阻止的磁盘驱动器读取数据来执行数据恢复，当从构成磁盘阵列组的另一磁盘驱动器读取数据时。

4. 发明授权

US07757042B2 Array-type disk apparatus preventing lost data and providing improved failure tolerance 失效
标题翻译：阵列式磁盘装置防止丢失数据并提供改进的故障容限
公开(公告)号：US07757042B2
公开(公告)日：2010-07-13
申请号：US11067085
申请日：2005-02-25
申请人： Ikuya Yagisawa , Takeki Okamoto , Naoto Matsunami , Mikio Fukuoka , Toshio Nakano , Kenichi Takamoto , Akira Yamamoto
发明人： Ikuya Yagisawa , Takeki Okamoto , Naoto Matsunami , Mikio Fukuoka , Toshio Nakano , Kenichi Takamoto , Akira Yamamoto
IPC分类号： G06F12/00
CPC分类号： G06F11/008 , G06F11/1662 , G06F11/2069 , G06F11/2089 , G06F11/2094 , G06F11/2097 , G06F2201/81
摘要： Disclosed is storage system, that is, an array-type disk apparatus which is provided with an error monitor section which monitors the status of error occurrence in a disk drive and instructs initiation of mirroring between the disk drive and a spare disk drive when the number of errors occurred of the disk drive exceeds a specified value, and a mirror section which performs mirroring between the disk drive and spare disk drive. Storage system, that is, the array-type disk apparatus may be provided with an error monitor section which monitors the status of error occurrence in a disk drive and gives such an instruction as to set the status of the disk drive in a temporary blocked state, and a data restoring section which executes data restoration by reading data from the temporary blocked disk drive when reading from another disk drive constituting a disk array group is not possible during data restoration.
摘要翻译：公开了一种存储系统，即具有错误监视部分的阵列式磁盘设备，该错误监视部分监视磁盘驱动器中的错误发生状态，并指示当磁盘驱动器和备用磁盘驱动器之间的镜像启动时磁盘驱动器发生的错误超过指定值，以及在磁盘驱动器和备用磁盘驱动器之间执行镜像的镜像部分。存储系统，即阵列型磁盘装置可以设置有错误监视部分，该部分监视磁盘驱动器中的错误发生的状态，并给出这样的指令，以将磁盘驱动器的状态设置为临时阻止状态以及数据恢复部，其在数据恢复期间是不可能的，所述数据恢复部通过从临时被阻止的磁盘驱动器读取数据来执行数据恢复，当从构成磁盘阵列组的另一磁盘驱动器读取数据时。

5. 发明授权

US07383380B2 Array-type disk apparatus preventing lost data and providing improved failure tolerance 失效
标题翻译：阵列式磁盘装置防止丢失数据并提供改进的故障容限
公开(公告)号：US07383380B2
公开(公告)日：2008-06-03
申请号：US10775702
申请日：2004-02-09
申请人： Ikuya Yagisawa , Takeki Okamoto , Naoto Matsunami , Mikio Fukuoka , Toshio Nakano , Kenichi Takamoto , Akira Yamamoto
发明人： Ikuya Yagisawa , Takeki Okamoto , Naoto Matsunami , Mikio Fukuoka , Toshio Nakano , Kenichi Takamoto , Akira Yamamoto
IPC分类号： G06F12/00
CPC分类号： G06F11/008 , G06F11/1662 , G06F11/2069 , G06F11/2089 , G06F11/2094 , G06F11/2097 , G06F2201/81
摘要： Disclosed is storage system, that is, an array-type disk apparatus which is provided with an error monitor section which monitors the status of error occurrence in a disk drive and instructs initiation of mirroring between the disk drive and a spare disk drive when the number of errors occurred of the disk drive exceeds a specified value, and a mirror section which performs mirroring between the disk drive and spare disk drive. Storage system, that is, the array-type disk apparatus may be provided with an error monitor section which monitors the status of error occurrence in a disk drive and gives such an instruction as to set the status of the disk drive in a temporary blocked state, and a data restoring section which executes data restoration by reading data from the temporary blocked disk drive when reading from another disk drive constituting a disk array group is not possible during data restoration.
摘要翻译：公开了一种存储系统，即具有错误监视部分的阵列式磁盘设备，该错误监视部分监视磁盘驱动器中的错误发生状态，并指示当磁盘驱动器和备用磁盘驱动器之间的镜像启动时磁盘驱动器发生的错误超过指定值，以及在磁盘驱动器和备用磁盘驱动器之间执行镜像的镜像部分。存储系统，即阵列型磁盘装置可以设置有错误监视部分，该部分监视磁盘驱动器中的错误发生的状态，并给出这样的指令，以将磁盘驱动器的状态设置为临时阻止状态以及数据恢复部，其在数据恢复期间是不可能的，所述数据恢复部通过从临时被阻止的磁盘驱动器读取数据来执行数据恢复，当从构成磁盘阵列组的另一磁盘驱动器读取数据时。

6. 发明申请

US20050081087A1 Array-type disk apparatus preventing data lost with two disk drives failure in the same raid group, the preventing programming and said method 失效
标题翻译：阵列式磁盘设备防止数据丢失与两个磁盘驱动器在同一个RAID组中发生故障，防止编程和所述方法
公开(公告)号：US20050081087A1
公开(公告)日：2005-04-14
申请号：US10775702
申请日：2004-02-09
申请人： Ikuya Yagisawa , Takeki Okamoto , Naoto-Matsunami , Mikio Fukuoka , Toshio Nakano , Kenichi Takamoto , Akira Yamamoto
发明人： Ikuya Yagisawa , Takeki Okamoto , Naoto-Matsunami , Mikio Fukuoka , Toshio Nakano , Kenichi Takamoto , Akira Yamamoto
IPC分类号： G06F3/06 , G06F11/00 , G06F11/20
CPC分类号： G06F11/008 , G06F11/1662 , G06F11/2069 , G06F11/2089 , G06F11/2094 , G06F11/2097 , G06F2201/81
摘要： Disclosed is storage system, that is, an array-type disk apparatus which is provided with an error monitor section which monitors the status of error occurrence in a disk drive and instructs initiation of mirroring between the disk drive and a spare disk drive when the number of errors occurred of the disk drive exceeds a specified value, and a mirror section which performs mirroring between the disk drive and spare disk drive. Storage system, that is, the array-type disk apparatus may be provided with an error monitor section which monitors the status of error occurrence in a disk drive and gives such an instruction as to set the status of the disk drive in a temporary blocked state, and a data restoring section which executes data restoration by reading data from the temporary blocked disk drive when reading from another disk drive constituting a disk array group is not possible during data restoration. Further, at the time of shifting data from a disk drive to a spare disk drive, it is possible to store a failure counter indicating the number of errors occurred in the disk drive in a common memory and ensure selection of either reading of data of a data-shifting disk drive from the disk drive or reading data from some other disk drives constituting a disk array group and restoring data through redundancy. calculation.
摘要翻译：公开了一种存储系统，即具有错误监视部分的阵列式磁盘设备，该错误监视部分监视磁盘驱动器中的错误发生状态，并指示当磁盘驱动器和备用磁盘驱动器之间的镜像启动时磁盘驱动器发生的错误超过指定值，以及在磁盘驱动器和备用磁盘驱动器之间执行镜像的镜像部分。存储系统，即阵列型磁盘装置可以设置有错误监视部分，该部分监视磁盘驱动器中的错误发生的状态，并给出这样的指令，以将磁盘驱动器的状态设置为临时阻止状态以及数据恢复部，其在数据恢复期间是不可能的，所述数据恢复部通过从临时被阻止的磁盘驱动器读取数据来执行数据恢复。此外，在将数据从磁盘驱动器转移到备用磁盘驱动器时，可以将指示磁盘驱动器中发生的错误的数量的故障计数器存储在公共存储器中，并且确保选择读取数据的从磁盘驱动器进行数据移动磁盘驱动器，或从构成磁盘阵列组的其他磁盘驱动器读取数据，并通过冗余恢复数据。计算。

7. 发明申请

US20100057988A1 STORAGE SYSTEM AND METHOD FOR MANAGING CONFIGURATION THEREOF 审中-公开
标题翻译：用于管理其配置的存储系统和方法
公开(公告)号：US20100057988A1
公开(公告)日：2010-03-04
申请号：US12253570
申请日：2008-10-17
申请人： Takeki Okamoto , Mikio Fukuoka
发明人： Takeki Okamoto , Mikio Fukuoka
IPC分类号： G06F12/00 , G06F12/02 , G06F12/16
CPC分类号： G06F12/0246 , G06F2212/7208 , G06F2212/7211
摘要： In a storage system having a plurality of storage devices, erasing frequencies of the storage devices with a limit of the number of erasures are made uniform.In a storage system for storing data, comprising a plurality of storage devices for storing the data, the plurality of storage devices comprising spare storage devices, and the storage system comprises an identifier of each of the storage devices and storage device configuration information having a number of erasures of data that data stored in each storage device is erased, and copies data stored in a storage device whose number of erasures of data exceeds a predetermined first threshold value to the spare storage device in a case where the number of erasures of data exceeds the predetermined first threshold value, and allocates an identifier of the storage device number of erasures of data exceeds the predetermined first threshold value to an identifier of the spare storage device which the data has been copied to.
摘要翻译：在具有多个存储装置的存储系统中，使具有限制擦除次数的存储装置的擦除频率一致。在用于存储数据的存储系统中，包括用于存储数据的多个存储装置，所述多个存储装置包括备用存储装置，并且所述存储系统包括每个所述存储装置的标识符和具有号码的存储装置配置信息在存储在每个存储设备中的数据的擦除数据被擦除的情况下，以及在数据的擦除次数超过数据的情况下，将数据的擦除次数超过预定的第一阈值的存储设备中的数据复制到备用存储设备预定的第一阈值，并且将数据的擦除次数的存储设备数量的标识符超过预定的第一阈值，以将数据被复制到的备用存储设备的标识符分配。

8. 发明申请

US20060212747A1 Storage control system and storage control method 有权
标题翻译：存储控制系统和存储控制方法
公开(公告)号：US20060212747A1
公开(公告)日：2006-09-21
申请号：US11146050
申请日：2005-06-07
申请人： Takeki Okamoto , Mikio Fukuoka , Eiju Katsuragi
发明人： Takeki Okamoto , Mikio Fukuoka , Eiju Katsuragi
IPC分类号： G06F11/00
CPC分类号： G06F11/1092
摘要： A storage system enabling effective use of storage resources by immediately releasing a storage device provided as a spare from data recovery processing for a faulty storage device. Even before the completion of the collection copy, the faulty disk drive may be replaced with a new disk drive and a relevant control unit in the storage system recognizes this replacement and has data in the spare disk drive automatically copied back to the new disk drive.
摘要翻译：一种存储系统，其能够通过立即释放为故障存储装置的数据恢复处理提供的备用存储装置，从而有效地利用存储资源。即使在收集副本完成之前，故障磁盘驱动器也可能被替换为新的磁盘驱动器，并且存储系统中的相关控制单元可识别该替换，并且将备用磁盘驱动器中的数据自动复制回新的磁盘驱动器。

9. 发明申请

US20050114728A1 Disk array system and a method of avoiding failure of the disk array system 有权
标题翻译：磁盘阵列系统和避免磁盘阵列系统故障的方法
公开(公告)号：US20050114728A1
公开(公告)日：2005-05-26
申请号：US10782925
申请日：2004-02-23
申请人： Masaki Aizawa , Eiju Katsuragi , Mikio Fukuoka , Takeki Okamoto
发明人： Masaki Aizawa , Eiju Katsuragi , Mikio Fukuoka , Takeki Okamoto
IPC分类号： G06F3/06 , G06F12/16
CPC分类号： G06F11/008 , G06F11/1092
摘要： The invention is intended to reduce disk access during data transfer from a disk in which occurrence of failure is anticipated to a spare disk as much as possible so that occurrence of double-failure is prevented in advance. When occurrence of failure in a disk which configures a RAID group, contents stored in the disk is copied to the spared disk. Simultaneously, another RAID group is paired with the above described RAID group and a secondary volume is provided therein. A write request is directed to the secondary volume. A differential bitmap controls a update data. Data which is not updated is read out from the primary volume, and data which is already updated is read from the secondary volume. When data transfer is completed, contents stored in the secondary volume are copied to the primary volume.
摘要翻译：本发明旨在减少数据传输过程中数据传输的可能性，其中发生故障的磁盘尽可能多地发生，而预先发生双重故障。当配置RAID组的磁盘发生故障时，存储在磁盘中的内容将复制到备用磁盘。同时，另一个RAID组与上述RAID组配对，并在其中提供辅助卷。写入请求被引导到辅助卷。差分位图控制更新数据。从主卷读出未更新的数据，从辅助卷中读取已经更新的数据。数据传输完成后，存储在辅助卷中的内容将复制到主卷。

10. 发明申请

US20130262750A1 STORAGE SYSTEM AND STORAGE SYSTEM CONTROL METHOD 有权
标题翻译：存储系统和存储系统控制方法
公开(公告)号：US20130262750A1
公开(公告)日：2013-10-03
申请号：US13502638
申请日：2012-03-30
申请人： Yuta Yamasaki , Takeki Okamoto , Mikio Fukuoka
发明人： Yuta Yamasaki , Takeki Okamoto , Mikio Fukuoka
IPC分类号： G06F12/08 , G06F12/02
CPC分类号： G06F12/0246 , G06F3/0611 , G06F3/0659 , G06F3/0688 , G06F12/0253
摘要： The device controller (a) executes a data I/O process with respect to a physical storage area in accordance with an I/O command, and (b) sends to the storage controller an I/O command-related response comprising status information subsequent to being changed in accordance with the I/O process. The storage controller (A) receives the response from the target physical storage device, and (B) based on the status information included in the response received in (A), makes a determination as to whether or not to execute internal processing, and in a case where the result of the determination is to execute internal processing, sends to the target physical storage device an internal processing execution command instructing the execution of internal processing. The device controller in the target physical storage device (c), upon receiving the internal processing execution command, executes internal processing in accordance with the internal processing execution command.
摘要翻译：设备控制器（a）根据I / O命令对物理存储区域执行数据I / O处理，并且（b）向存储控制器发送包括状态信息的I / O命令相关响应根据I / O过程进行更改。存储控制器（A）从目标物理存储装置接收响应，（B）基于（A）中接收到的响应中包含的状态信息，判断是否执行内部处理，将判定结果进行内部处理的情况，向目标物理存储装置发送指示执行内部处理的内部处理执行指令。目标物理存储设备（c）中的设备控制器在接收到内部处理执行命令时，根据内部处理执行命令执行内部处理。

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