公开(公告)号：US07360018B2

公开(公告)日：2008-04-15

申请号：US11138279

申请日：2005-05-27

申请人： Naoki Higashijima ,  Yoshihiro Uchiyama

发明人： Naoki Higashijima ,  Yoshihiro Uchiyama

IPC分类号： G06F12/00

CPC分类号： G06F11/1076 ,  G06F11/2005 ,  G06F11/2007 ,  G06F2211/1009 ,  G06F2211/109

摘要： The storage control device and storage device error control method of the present invention prevent incorrect data from being read out to the host in advance, and thus improve the reliability. For example, the controller 5 that controls the disk array subsystem disperses and stores data on respective disks 1 through 3, calculates parity data, and stores this parity data on a disk 4. In cases where the updating of a certain block (D12) fails, so that data is not written into this block, this is an uncorrectable error. The data of this block (D12) is recovered on the basis of data and parity data stored on the other disks. The controller 5 also recovers data for another block (D13) following the block (D12) on the basis of other associated data and parity data. As a result, even if by some chance the block (D13) which has not suffered an uncorrectable error stores old data, the correct data can be recreated and provided to the host 7.

摘要翻译： 本发明的存储控制装置和存储装置的错误控制方法能够防止错误的数据被预先向主机读出，从而提高可靠性。 例如，控制磁盘阵列子系统的控制器5将数据分散并存储在相应的磁盘1至3上，计算奇偶校验数据，并将该奇偶校验数据存储在盘4上。 在某些块（D 12）的更新失败的情况下，使得数据不被写入该块，这是不可校正的错误。 根据存储在其他磁盘上的数据和奇偶校验数据，恢复该块（D12）的数据。 控制器5还基于其他相关联的数据和奇偶校验数据恢复块（D12）之后的另一块（D 13）的数据。 结果，即使有一些机会，没有遭受不可校正错误的块（D 13）存储旧数据，可以重新创建正确的数据并将其提供给主机7。

公开(公告)号：US20060218343A1

公开(公告)日：2006-09-28

申请号：US11138279

申请日：2005-05-27

申请人： Naoki Higashijima ,  Yoshihiro Uchiyama

发明人： Naoki Higashijima ,  Yoshihiro Uchiyama

IPC分类号： G06F12/00

CPC分类号： G06F11/1076 ,  G06F11/2005 ,  G06F11/2007 ,  G06F2211/1009 ,  G06F2211/109

摘要： The storage control device and storage device error control method of the present invention prevent incorrect data from being read out to the host in advance, and thus improve the reliability. For example, the controller 5 that controls the disk array subsystem disperses and stores data on respective disks 1 through 3, calculates parity data, and stores this parity data on a disk 4. In cases where the updating of a certain block (D12) fails, so that data is not written into this block, this is an uncorrectable error. The data of this block (D12) is recovered on the basis of data and parity data stored on the other disks. The controller 5 also recovers data for another block (D13) following the block (D12) on the basis of other associated data and parity data. As a result, even if by some chance the block (D13) which has not suffered an uncorrectable error stores old data, the correct data can be recreated and provided to the host 7.

摘要翻译： 本发明的存储控制装置和存储装置的错误控制方法能够防止错误的数据被预先向主机读出，从而提高可靠性。 例如，控制磁盘阵列子系统的控制器5将数据分散并存储在相应的磁盘1至3上，计算奇偶校验数据，并将该奇偶校验数据存储在盘4上。在某些块（D12）的更新中， 失败，因此数据不会写入此块，这是一个不可纠正的错误。 根据存储在其他磁盘上的数据和奇偶校验数据，恢复该块（D12）的数据。 控制器5还基于其他相关联的数据和奇偶校验数据恢复块（D12）之后的另一块（D 13）的数据。 结果，即使有一些机会，没有遭受不可校正错误的块（D 13）存储旧数据，可以重新创建正确的数据并将其提供给主机7。

公开(公告)号：US20120011326A1

公开(公告)日：2012-01-12

申请号：US12682757

申请日：2010-03-19

申请人： Naoki Higashijima ,  Yuko Matsui

发明人： Naoki Higashijima ,  Yuko Matsui

IPC分类号： G06F12/08

CPC分类号： G06F12/0804 ,  G06F12/0866 ,  G06F2212/601

摘要： The configuration of a cache memory can be changed while minimizing the influence over input-output performance with a host system on the active storage system.A data transfer control unit transfers data via a cache memory by a write-after method; and as triggered by an event where an amount of input to and output from an object area in the cache memory falls below a certain value, the data transfer control unit switches from the write-after method to a write-through method and then transfers data via the cache memory. Subsequently, as triggered by an event where there is no longer any input to and output from the object area in the cache memory, a processor changes the configuration of the cache memory relating to the object area.

摘要翻译： 可以改变高速缓冲存储器的配置，同时最小化主动存储系统上的主机系统对输入输出性能的影响。 数据传送控制单元通过写入方式通过高速缓存存储器传送数据; 并且当由高速缓冲存储器中的对象区域的输入量和输出量低于特定值的事件触发时，数据传送控制单元从写入方法切换到直写方式，然后传送数据 通过缓存存储器。 随后，由于不再对高速缓冲存储器中的对象区域进行任何输入和输出的事件触发，处理器改变与对象区域相关的高速缓冲存储器的配置。

公开(公告)号：US07549084B2

公开(公告)日：2009-06-16

申请号：US11581421

申请日：2006-10-17

申请人： Naoki Higashijima ,  Ikuya Yagisawa

发明人： Naoki Higashijima ,  Ikuya Yagisawa

IPC分类号： G06F11/00

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。

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。

公开(公告)号：US06985998B2

公开(公告)日：2006-01-10

申请号：US10834084

申请日：2004-04-29

申请人： Naoki Higashijima ,  Seiki Morita ,  Ikuya Yagisawa

发明人： Naoki Higashijima ,  Seiki Morita ,  Ikuya Yagisawa

IPC分类号： G06F12/00

CPC分类号： G06F3/0611 ,  G06F3/0659 ,  G06F3/0689 ,  G11B5/5521 ,  G11B19/06 ,  G11B20/1833 ,  G11B21/083

摘要： A disk array device that prevents the processing of the host device from being interrupted or delayed by drive idle seek, idle seek being executed by all the drives at approximately fixed intervals. The disk array device predicts the approach of the scheduled times to start idle seek of each of the disk drives 23, 23, . . . and exercises control so that, within the same parity group, idle seek is not executed by two or more drives 23, 23, . . . at the same time. Within the same parity group, one of the drives whose idle seek scheduled start time is approaching is considered in advance to be executing idle seek and hence data access is denied beforehand. When a data read request with respect to the drive 23 that is considered to be executing idle seek is received, the required data is recovered by reading data from all the other drives 23, 23, . . . belonging to the same parity group.

摘要翻译： 一种磁盘阵列设备，其防止主机设备的处理被驱动器空闲寻找中断或延迟，所有驱动器以大致固定的间隔执行空闲寻找。 磁盘阵列设备预测调度时间的接近以开始每个磁盘驱动器23,23的空闲查找。 。 。 并且进行控制，使得在相同的奇偶校验组内，空闲寻找不被两个或更多个驱动器23,23执行。 。 。 与此同时。 在相同的奇偶校验组内，预先考虑空闲寻找预定开始时间接近的驱动器之一，以执行空闲查找，从而事先拒绝数据访问。 当接收到被认为是执行空闲寻找的相对于驱动器23的数据读取请求时，通过从所有其他驱动器23,23读取数据来恢复所需数据。 。 。 属于同一平价组。

公开(公告)号：US07877632B2

公开(公告)日：2011-01-25

申请号：US12467611

申请日：2009-05-18

申请人： Naoki Higashijima ,  Ikuya Yagisawa

发明人： Naoki Higashijima ,  Ikuya Yagisawa

IPC分类号： G06F11/00

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。

公开(公告)号：US20090228740A1

公开(公告)日：2009-09-10

申请号：US12467611

申请日：2009-05-18

申请人： Naoki Higashijima ,  Ikuya Yagisawa

发明人： Naoki Higashijima ,  Ikuya Yagisawa

IPC分类号： G06F11/14

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。

公开(公告)号：US20080126855A1

公开(公告)日：2008-05-29

申请号：US11581421

申请日：2006-10-17

申请人： Naoki Higashijima ,  Ikuya Yagisawa

发明人： Naoki Higashijima ,  Ikuya Yagisawa

IPC分类号： G06F11/00

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。

公开(公告)号：US08312321B2

公开(公告)日：2012-11-13

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： G06F11/00

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。