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。

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。

公开(公告)号：US07418622B2

公开(公告)日：2008-08-26

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。

公开(公告)号：US07028216B2

公开(公告)日：2006-04-11

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： G06F11/00

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到备用磁盘，以便事先防止发生双重故障。 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。

公开(公告)号：US20100332782A1

公开(公告)日：2010-12-30

申请号：US12923156

申请日：2010-09-07

申请人： Shintaro Inoue ,  Yutaka Takata ,  Mikio Fukuoka ,  Eiju Katsuragi ,  Hisaharu Takeuchi

发明人： Shintaro Inoue ,  Yutaka Takata ,  Mikio Fukuoka ,  Eiju Katsuragi ,  Hisaharu Takeuchi

IPC分类号： G06F12/16 ,  G06F12/00

CPC分类号： G06F3/0665 ,  G06F3/0608 ,  G06F3/0631 ,  G06F3/067 ,  G06F3/0683

摘要： A virtualization system, upon judging that a write operation from a higher-level device is an operation to write in the format of the virtual volume, even when the write position of the write operation is in a virtual area different from a virtual area to which an allocated actual area has been allocated, if there is an unused area in the allocated actual area, writes management information to the unused area according to the write operation, and if there is no unused area in the allocated actual area, newly allocates an unallocated actual area, and writes management information to the newly allocated actual area according to the write operation.

摘要翻译： 虚拟化系统在判断来自较高级设备的写入操作是以虚拟卷的格式写入的操作时，即使当写入操作的写入位置在与虚拟区域不同的虚拟区域中时， 如果分配的实际区域中存在未使用区域，则根据写入操作将管理信息写入未使用区域，并且如果在所分配的实际区域中没有未使用区域，则新分配未分配的实际区域 实际区域，并根据写入操作将管理信息写入新分配的实际区域。

公开(公告)号：US07376785B2

公开(公告)日：2008-05-20

申请号：US10990500

申请日：2004-11-18

申请人： Eiju Katsuragi ,  Mikio Fukuoka

发明人： Eiju Katsuragi ,  Mikio Fukuoka

IPC分类号： G06F12/00

CPC分类号： G06F12/0804 ,  G06F3/0605 ,  G06F3/0622 ,  G06F3/065 ,  G06F3/0689 ,  G06F11/1076 ,  G06F12/0866 ,  G06F2211/1009

摘要： The present invention allows the processing mode for write access operations to be set independently and respectively for prescribed units. The processing modes for handling write access are set previously for each of the volumes 6A and 6B. If the cache memory is functioning normally, write access operations to the respective volumes 6A and 6B are processed by means of an after-write method as illustrated in FIG. 1(a). If an abnormality has occurred in the cache memory, then write access operations to the volumes 6A and 6B are processed by means of a method previously selected from a write-through method as illustrated in FIG. 1(b) or a non-redundant storage type write-after method as illustrated in FIG. 1(c). By using different processing modes for write access, for each of the volumes 6A and 6B, it is possible to set a suitable processing mode respectively for each of the prescribed units, in accordance with the composition of the storage system, the operation configuration, and the like.

摘要翻译： 本发明允许单独设置用于写访问操作的处理模式，并且分别对于规定单元进行设置。 用于处理写访问的处理模式先前针对卷6A和6B中的每一个设置。如果高速缓冲存储器正常工作，则对相应卷6A和6B的写访问操作通过后写 方法。 1（a）。 如果在高速缓冲存储器中发生异常，则通过先前从如图1所示的直通方法中选择的方法来对卷6A和6B进行写访问操作。 如图1（b）所示的非冗余存储型写入方法。 1（c）。 通过使用用于写访问的不同处理模式，对于卷6A和6B中的每一个，可以根据存储系统的组成，操作配置来分别为每个规定单元设置适当的处理模式 ，等等。

公开(公告)号：US07451346B2

公开(公告)日：2008-11-11

申请号：US11403841

申请日：2006-04-14

申请人： Eiju Katsuragi ,  Mikio Fukuoka

发明人： Eiju Katsuragi ,  Mikio Fukuoka

IPC分类号： G06F11/00

CPC分类号： G06F11/0727 ,  G06F11/076 ,  G06F11/1092 ,  G06F11/1662 ,  G06F11/2094

摘要： The present invention efficiently recovers an error drive by suppressing futile copying. When the number of errors of the disk drive is equal to or more than a first threshold, data stored in the disk drive is copied to a spare drive by a drive copy section. When the number of errors of the disk drive is equal to or more than a second threshold prior to completion of the drive copy, the disk drive is closed, and a correction copy by a correction copy section is started in place of the drive copy. The correction copy section starts the correction copy from the position where the drive copy is interrupted by taking over the drive copy completion position (copy interrupt position) managed by a copy progress condition management section.

摘要翻译： 本发明通过抑制无效复制来有效地恢复错误驱动。 当磁盘驱动器的错误数量等于或大于第一阈值时，由驱动器复制部分将存储在磁盘驱动器中的数据复制到备用驱动器。 当在驱动器复制完成之前磁盘驱动器的错误数量等于或大于第二阈值时，磁盘驱动器被关闭，并且由驱动器拷贝开始校正副本部分的修正副本。 校正副本部分通过接管由复制进度条件管理部分管理的驱动器复制完成位置（复制中断位置），从驱动器副本被中断的位置开始校正副本。

公开(公告)号：US20070220313A1

公开(公告)日：2007-09-20

申请号：US11403841

申请日：2006-04-14

申请人： Eiju Katsuragi ,  Mikio Fukuoka

发明人： Eiju Katsuragi ,  Mikio Fukuoka

IPC分类号： G06F11/00

CPC分类号： G06F11/0727 ,  G06F11/076 ,  G06F11/1092 ,  G06F11/1662 ,  G06F11/2094

摘要： The present invention efficiently recovers an error drive by suppressing futile copying. When the number of errors of the disk drive is equal to or more than a first threshold, data stored in the disk drive is copied to a spare drive by a drive copy section. When the number of errors of the disk drive is equal to or more than a second threshold prior to completion of the drive copy, the disk drive is closed, and a correction copy by a correction copy section is started in place of the drive copy. The correction copy section starts the correction copy from the position where the drive copy is interrupted by taking over the drive copy completion position (copy interrupt position) managed by a copy progress condition management section.

摘要翻译： 本发明通过抑制无效复制来有效地恢复错误驱动。 当磁盘驱动器的错误数量等于或大于第一阈值时，由驱动器复制部分将存储在磁盘驱动器中的数据复制到备用驱动器。 当在驱动器复制完成之前磁盘驱动器的错误数量等于或大于第二阈值时，磁盘驱动器被关闭，并且由驱动器拷贝开始校正副本部分的修正副本。 校正副本部分通过接管由复制进度条件管理部分管理的驱动器复制完成位置（复制中断位置），从驱动器副本被中断的位置开始校正副本。

公开(公告)号：US08775730B2

公开(公告)日：2014-07-08

申请号：US12010293

申请日：2008-01-23

申请人： Shintaro Inoue ,  Yutaka Takata ,  Mikio Fukuoka ,  Eiju Katsuragi

发明人： Shintaro Inoue ,  Yutaka Takata ,  Mikio Fukuoka ,  Eiju Katsuragi

IPC分类号： G06F3/06

CPC分类号： G06F3/0619 ,  G06F3/061 ,  G06F3/0647 ,  G06F3/0665 ,  G06F3/0689 ,  G06F2206/1012

摘要： This storage apparatus for providing a dynamically expandable virtual volume to a host system to access the virtual volume comprises an allocation unit for configuring a group with a plurality of disks for providing a storage area to be allocated to the virtual volume, and allocating the storage area respectively from a plurality of the groups to the virtual volume; and a storage area arrangement unit for rearranging the storage area in each of the groups being used by the virtual volume to become optimal among each of the groups based on external operation.

摘要翻译： 用于向主机系统提供动态扩展的虚拟卷以访问虚拟卷的该存储装置包括用于配置具有多个磁盘的组的分配单元，用于提供要分配给虚拟卷的存储区域，并且分配存储区域 分别从多个组到虚拟卷; 以及存储区域布置单元，用于基于外部操作重新排列由虚拟卷使用的每个组中的存储区域，以使其在每个组中变得最佳。

公开(公告)号：US08356157B2

公开(公告)日：2013-01-15

申请号：US13137533

申请日：2011-08-24

申请人： Shintaro Inoue ,  Yutaka Takata ,  Mikio Fukuoka ,  Eiju Katsuragi ,  Hisaharu Takeuchi

发明人： Shintaro Inoue ,  Yutaka Takata ,  Mikio Fukuoka ,  Eiju Katsuragi ,  Hisaharu Takeuchi

IPC分类号： G06F12/00

CPC分类号： G06F3/0665 ,  G06F3/0608 ,  G06F3/0631 ,  G06F3/067 ,  G06F3/0683

摘要： A virtualization system, upon judging that a write operation from a higher-level device is an operation to write in the format of the virtual volume, even when the write position of the write operation is in a virtual area different from a virtual area to which an allocated actual area has been allocated, if there is an unused area in the allocated actual area, writes management information to the unused area according to the write operation, and if there is no unused area in the allocated actual area, newly allocates an unallocated actual area, and writes management information to the newly allocated actual area according to the write operation.

摘要翻译： 虚拟化系统在判断来自较高级设备的写入操作是以虚拟卷的格式写入的操作时，即使当写入操作的写入位置在与虚拟区域不同的虚拟区域中时， 如果分配的实际区域中存在未使用区域，则根据写入操作将管理信息写入未使用区域，并且如果在所分配的实际区域中没有未使用区域，则新分配未分配的实际区域 实际区域，并根据写入操作将管理信息写入新分配的实际区域。