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91. 发明授权

US06425049B1 Disk array system and method of changing the configuration of the disk array system 失效
标题翻译：磁盘阵列系统和更改磁盘阵列系统配置的方法
公开(公告)号：US06425049B1
公开(公告)日：2002-07-23
申请号：US09497760
申请日：2000-02-04
申请人： Masayuki Yamamoto , Naoto Matsunami , Jun Matsumoto , Ikuya Yagisawa , Masahiko Sato
发明人： Masayuki Yamamoto , Naoto Matsunami , Jun Matsumoto , Ikuya Yagisawa , Masahiko Sato
IPC分类号： G06F1202
CPC分类号： G06F3/0626 , G06F3/0634 , G06F3/0689
摘要： A disk array system has a disk storage group, an array controller reading/writing data of the group, a disk interface connecting unit having a plurality of ports for connection with the controller and the group, and a disk interface connection changing unit. In an array configuration information memory, information indicating a relation between the controller and the group is stored. An array configuration changing portion changes the array configuration information in response to a user's request. A connection changing interface informs the changing unit of a connection change based on the changed array configuration information. The changing unit sends instruction information on setting up the connection status among the ports to the connecting unit to establish the configuration indicated by the array configuration information. The connecting unit changes the port connection according to the instruction information sent from the changing unit.
摘要翻译：磁盘阵列系统具有磁盘存储组，阵列控制器读/写组的数据，具有用于与控制器和组连接的多个端口的磁盘接口连接单元和磁盘接口连接改变单元。在阵列配置信息存储器中，存储表示控制器与组之间的关系的信息。阵列配置改变部分响应于用户的请求改变阵列配置信息。连接改变接口基于改变的阵列配置信息通知改变单元的连接改变。更改单元向连接单元发送关于设置端口之间的连接状态的指令信息，以建立由阵列配置信息指示的配置。连接单元根据从更换单元发送的指令信息更改端口连接。

92. 发明授权

US5958067A Array type disk system updating redundant data asynchronously with data access 失效
标题翻译：阵列式磁盘系统与数据访问异步更新冗余数据
公开(公告)号：US5958067A
公开(公告)日：1999-09-28
申请号：US964227
申请日：1997-11-04
申请人： Yasunori Kaneda , Takashi Oeda , Kiyoshi Honda , Naoto Matsunami , Hitoshi Akiyama , Hiroshi Arakawa , Minoru Yoshida , Ikuya Yagisawa
发明人： Yasunori Kaneda , Takashi Oeda , Kiyoshi Honda , Naoto Matsunami , Hitoshi Akiyama , Hiroshi Arakawa , Minoru Yoshida , Ikuya Yagisawa
IPC分类号： G06F3/06 , G06F11/10 , G06F11/00
CPC分类号： G06F11/1076 , G06F3/0613 , G06F3/0658 , G06F3/0689 , G06F2211/1009
摘要： In a disk array system, data read out and data written anew are temporarily held as former data in a former data holding portion. When a write operation has occurred, a CPU searches the holding portion for write data, it generates update data from the new and former write data items, and it holds the generated update data in an update data holding portion. In addition, the CPU stores the storage address of redundant data associated with the held update data, as log data in a log data holding portion. Further, the CPU operates asynchronously with the write operation to read out the redundant data of the address of the holding portion, to calculate new redundant data from the read redundant data and the held update data, and to write the new redundant data into the address of the log data. On this occasion, a parity area and a data area are separated so as to heighten read/write processing speeds and a parity generation processing speed.
摘要翻译：在磁盘阵列系统中，数据读出和重新写入的数据被暂时保持为前一数据保存部分中的前一数据。当发生写入操作时，CPU在保持部分中搜索写入数据，它从新的和先前的写入数据项生成更新数据，并且将生成的更新数据保存在更新数据保存部分中。此外，CPU将与所保持的更新数据相关联的冗余数据的存储地址作为日志数据存储在日志数据保持部分中。此外，CPU与写入操作异步地读出保持部分的地址的冗余数据，从读取的冗余数据和保持的更新数据计算新的冗余数据，并将新的冗余数据写入地址的日志数据。在这种情况下，分离奇偶校验区域和数据区域，以便提高读/写处理速度和奇偶校验生成处理速度。

93. 发明申请

US20130097458A1 STORAGE SYSTEM, AND DATA BACKUP METHOD AND SYSTEM RESTARTING METHOD OF STORAGE SYSTEM 有权
标题翻译：存储系统和存储系统的数据备份方法和系统重建方法
公开(公告)号：US20130097458A1
公开(公告)日：2013-04-18
申请号：US13265715
申请日：2011-10-12
申请人： Yuta Sekino , Shinichi Nakayama , Akira Nishimoto , Ikuya Yagisawa
发明人： Yuta Sekino , Shinichi Nakayama , Akira Nishimoto , Ikuya Yagisawa
IPC分类号： G06F11/14
CPC分类号： G06F11/1441 , G06F1/263 , G06F1/30 , G06F11/1658 , G06F11/2015
摘要： In a storage system for performing data backup using a battery during blackout, when the blackout continues for a long time, problems such as the loss of volatile memory data due to the consumption of battery capacity and the difference in recovery time between controller units after power recovery occur during restarting of the system. The present invention solves the problems by selecting (a1) battery backup or (a2) saving of data in a nonvolatile device based on the battery capacity or setting of modes, and selecting (b1) inhibiting restart of the system or (b2) storing of data in the volatile memory to a nonvolatile memory means and performing access via write-through based on the remaining capacity of the battery when restarting the system after power recovery. Further, the system enables to increase and decrease the volatile memory capacity of the write area and mutually confirms synchronization of controller units and contents of volatile memories. Thereby, the system enables to prevent data loss and inconsistency of data.
摘要翻译：在停电期间使用电池执行数据备份的存储系统中，当停电持续很长时间时，由于电池容量的消耗引起的易失性存储器数据的丢失以及电源后的控制器单元之间的恢复时间的差异等问题在系统重新启动过程中会发生恢复。本发明通过根据电池容量或模式设定选择（a1）电池备份或（a2）保存非易失性装置中的数据，并选择（b1）禁止系统重启或（b2）存储易失性存储器中的数据到非易失性存储器装置，并且在电源恢复之后重新启动系统时，基于电池的剩余容量通过写入执行访问。此外，该系统能够增加和减少写入区域的易失性存储器容量，并且相互确认控制器单元的同步和易失性存储器的内容。因此，该系统能够防止数据丢失和数据不一致。

94. 发明授权

US08370590B2 Storage controller and data management method 有权
公开(公告)号：US08370590B2
公开(公告)日：2013-02-05
申请号：US12457622
申请日：2009-06-17
申请人： Katsuo Mogi , Koji Nagata , Shoji Kodama , Ikuya Yagisawa
发明人： Katsuo Mogi , Koji Nagata , Shoji Kodama , Ikuya Yagisawa
IPC分类号： G06F12/00
CPC分类号： G06F12/02 , G06F11/2066 , G06F11/2069 , G06F11/2071 , G06F2201/84 , Y10S707/99953 , Y10S707/99955
摘要： This storage controller providing a volume for storing data transmitted from a host system includes a management unit for managing the data written in the volume with a first block area, or a second block area in the first block area which is smaller than the first block area; a snapshot acquisition unit for acquiring a snapshot of the volume at a prescribed timing; and a transfer unit for transferring the data of the volume acquired with the snapshot of the snapshot acquisition unit to an external device with the first block area or the second block area.

95. 发明申请

US20120266027A1 STORAGE APPARATUS AND METHOD OF CONTROLLING THE SAME 失效
标题翻译：存储装置及其控制方法
公开(公告)号：US20120266027A1
公开(公告)日：2012-10-18
申请号：US13125901
申请日：2011-04-12
申请人： Takashi Itoyama , Ikuya Yagisawa , Yoshifumi Mimata
发明人： Takashi Itoyama , Ikuya Yagisawa , Yoshifumi Mimata
IPC分类号： G11C29/08 , G06F11/26
CPC分类号： G06F11/0727 , G06F11/079
摘要： Deterioration of performance due to diagnosis processing performed when a failure occurs is prevented.A storage apparatus 10 includes a controller 11A and a plurality of expanders 112A, 121A coupled to the controller 11A to form a first system, and includes a controller 11B and a plurality of expanders 112B, 121B coupled to the controller 11B to form a second system. The controller 11A accesses the storage drive 171 through the expanders 112A, 121A, and the second controller 11B accesses the storage drive through the expanders 112B, 121B. In the storage apparatus 10, the controller 11A stores a maximum number (concurrently-executable maximum number) of communication ports 80 that are concurrently diagnosable in the first system, and repeatedly executes a process of selecting the communication ports 80 not exceeding the concurrently-executable maximum number and a process of causing the expanders 112A, 121A to diagnose the selected communication ports 80.
摘要翻译：防止由故障发生时执行的诊断处理而引起的性能恶化。存储装置10包括控制器11A和耦合到控制器11A的多个扩展器112A，121A以形成第一系统，并且包括控制器11B和耦合到控制器11B的多个扩展器112B，121B，以形成第二系统。控制器11A通过扩展器112A，121A访问存储驱动器171，第二控制器11B通过扩展器112B，121B访问存储驱动器。在存储装置10中，控制器11A存储在第一系统中同时可诊断的通信端口80的最大数量（同时可执行的最大数量），并且重复执行选择不超过同时执行的通信端口80的处理最大数量和使扩展器112A，121A诊断所选择的通信端口80的处理。

96. 发明授权

US08074108B2 Storage controller and storage control method 有权
标题翻译：存储控制器和存储控制方法
公开(公告)号：US08074108B2
公开(公告)日：2011-12-06
申请号：US12014233
申请日：2008-01-15
申请人： Tetsuya Shirogane , Azuma Kano , Ikuya Yagisawa
发明人： Tetsuya Shirogane , Azuma Kano , Ikuya Yagisawa
IPC分类号： G06F11/00
CPC分类号： G06F11/1088 , G06F11/1662 , G06F11/2094
摘要： Spare disk drives are provided to a chassis for storing storage devices, and, when any one of the storage devices configuring RAID fails, the storage controller copies data of the failed storage device to a spare storage device, and recognizes an additional storage device inserted into the spare disk drive as the spare storage device. Thereafter, when the foregoing storage device fails, the storage controller reproduces data of the failed storage device, copies this data to an additional storage device inserted into the spare disk drive, and recognizes the additional storage device inserted into the spare disk drive as a spare storage device. Subsequently, when the foregoing storage device fails, the storage controller reproduces data of the failed storage device and copies this data to an additional storage device inserted into the spare disk drive. RAID 6 is maintained thereby.
摘要翻译：备用磁盘驱动器被提供到用于存储存储设备的机箱，并且当配置RAID的任何一个存储设备失败时，存储控制器将故障存储设备的数据复制到备用存储设备，并且识别插入到其中的附加存储设备备用磁盘驱动器作为备用存储设备。此后，当上述存储装置发生故障时，存储控制器再现故障存储装置的数据，将该数据复制到插入到备用磁盘驱动器中的附加存储装置，并将插入到备用磁盘驱动器中的附加存储装置识别为备用储存设备。随后，当上述存储设备发生故障时，存储控制器再现故障存储设备的数据，并将该数据复制到插入备用盘驱动器中的附加存储设备。从而维持RAID 6。

97. 发明授权

US07925830B2 Storage system for holding a remaining available lifetime of a logical storage region 有权
标题翻译：用于保存逻辑存储区域的剩余可用寿命的存储系统
公开(公告)号：US07925830B2
公开(公告)日：2011-04-12
申请号：US12076141
申请日：2008-03-14
申请人： Ikuya Yagisawa , Naoto Matsunami , Akihiro Mannen , Masayuki Yamamoto
发明人： Ikuya Yagisawa , Naoto Matsunami , Akihiro Mannen , Masayuki Yamamoto
IPC分类号： G06F12/00
CPC分类号： G06F3/0661 , G06F3/0607 , G06F3/0616 , G06F3/0617 , G06F3/0629 , G06F3/0634 , G06F3/0647 , G06F3/065 , G06F3/0653 , G06F3/0658 , G06F3/0689 , G06F11/1456 , G06F11/2069 , G06F11/2071
摘要： A disk array includes a drive management unit, which is a program for identifying kinds of disk devices and managing different disk devices separately, and a drive management table for storing information to be utilized by the drive management unit. The disk array further includes a program for managing accumulated time of disk devices. The program includes a drive lifetime setting portion for setting lifetimes of drives, a drive start/stop portion for intentionally starting/stopping ATA disk devices, and an operation time measurement portion for measuring accumulated operation time. Since it is necessary to be conscious of difference in reliability and performance among disk devices when forming a RAID, a drive kind notification unit, which is a program for notifying of the kind of a disk device when forming the RAID, is provided.
摘要翻译：磁盘阵列包括：驱动器管理单元，其是用于识别各种磁盘设备并分别管理不同磁盘设备的程序;以及驱动管理表，用于存储由驱动器管理单元利用的信息。磁盘阵列还包括用于管理磁盘设备的累积时间的程序。该程序包括用于设置驱动器的寿命的驱动器寿命设置部分，用于有意地启动/停止ATA盘设备的驱动器启动/停止部分和用于测量累积操作时间的操作时间测量部分。由于在形成RAID时需要意识到磁盘装置之间的可靠性和性能的差异，所以提供作为用于在形成RAID时通知磁盘装置的种类的程序的驱动种类通知单元。

98. 发明申请

US20110078495A1 STORAGE CONTROL APPARATUS AND FAILURE RECOVERY METHOD FOR STORAGE CONTROL APPARATUS 有权
标题翻译：存储控制装置的存储控制装置和故障恢复方法
公开(公告)号：US20110078495A1
公开(公告)日：2011-03-31
申请号：US12963313
申请日：2010-12-08
申请人： Naoki Higashijima , Ikuya Yagisawa
发明人： Naoki Higashijima , Ikuya Yagisawa
IPC分类号： G06F11/20
CPC分类号： G06F11/0793 , G06F11/0727 , G06F11/076 , G06F11/0781
摘要： A storage control apparatus of the present invention reduces the frequency of disk drive failures. An error management part manages the number of times errors occur in respective disk drives. A disk drive in which the number of errors meets or exceeds a threshold value is selected as a disk drive to be restarted. A restart control part commences difference management prior to restarting the disk drive targeted for restart. A difference management part manages parity group-related update locations using a difference bitmap. After commencing difference management, the restart control part restarts the disk drive in which the error was detected. This makes it possible to resolve an error caused by a firmware hangup or the like.
摘要翻译：本发明的存储控制装置降低了磁盘驱动器故障的频率。错误管理部分管理各磁盘驱动器发生错误的次数。选择其中错误数量达到或超过阈值的磁盘驱动器作为要重新启动的磁盘驱动器。重新启动控制部分在重新启动目标重新启动的磁盘驱动器之前开始差异管理。差异管理部分使用差分位图来管理奇偶校验组相关的更新位置。开始差异管理后，重新启动控制部分重新启动检测到错误的磁盘驱动器。这使得可以解决由固件挂起等导致的错误。

99. 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。

100. 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。

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