公开(公告)号：EP1785869B1

公开(公告)日：2008-07-09

申请号：EP07004465.6

申请日：2004-10-26

申请人： Hitachi, Ltd.

发明人： Iwamura, Takashige ,  Takahashi, Masamitsu ,  Satoh, Takao ,  Maki, Nobuhiro

IPC分类号： G06F11/20

CPC分类号： G06F11/2074 ,  G06F11/2064 ,  G06F11/2069 ,  G06F11/2076 ,  G06F2201/82 ,  Y10S707/99952 ,  Y10S707/99953

公开(公告)号：EP1186988A3

公开(公告)日：2008-03-05

申请号：EP01124527.1

申请日：1994-11-17

申请人： Hitachi, Ltd.

发明人： Arai, Kouji ,  Satoh, Takao ,  Yamamoto, Akira

IPC分类号： G06F11/10 ,  G06F3/06

CPC分类号： G06F11/1096 ,  G06F3/0601 ,  G06F3/0607 ,  G06F3/0613 ,  G06F3/0632 ,  G06F3/0658 ,  G06F3/0689 ,  G06F2003/0697

摘要： A storage unit system includes a control apparatus (1010) having a unit for reading memory data from a plurality of storage units (1021 to 1024) before increase into a memory (1012) of the control apparatus, a preparing unit for preparing parity data newly from the memory data read in the memory, a rearrangement unit for dispersing transfer data from a processor (1001) read in the memory and the newly prepared parity data to be written into a plurality of storage units (1021 to 1025) after the increase to perform arrangement of data, a memory unit (1035) for storing a write position on the way of the rearrangement of data, a comparison unit for comparing an access position for an access request from the processor with the write position, and a determining unit for determining a data dispersed pattern used in a data access from the processor on the basis of a comparison result of the comparison means, whereby the storage unit can be increased individually with a unit of one storage unit and dynamically without stop of the system.

公开(公告)号：EP1006445B1

公开(公告)日：2002-05-08

申请号：EP00100077.7

申请日：1994-11-17

申请人： Hitachi, Ltd.

发明人： Arai, Kouji ,  Satoh, Takao ,  Yamamoto, Akira

IPC分类号： G06F11/10 ,  G06F3/06

CPC分类号： G06F11/1096 ,  G06F3/0601 ,  G06F3/0607 ,  G06F3/0613 ,  G06F3/0632 ,  G06F3/0658 ,  G06F3/0689 ,  G06F2003/0697

摘要： A storage unit system includes a control apparatus (1010) having a unit for reading memory data from a plurality of storage units (1021 to 1024) before increase into a memory (1012) of the control apparatus, a preparing unit for preparing parity data newly from the memory data read in the memory, a rearrangement unit for dispersing transfer data from a processor (1001) read in the memory and the newly prepared parity data to be written into a plurality of storage units (1021 to 1025) after the increase to perform arrangement of data, a memory unit (1035) for storing a write position on the way of the rearrangement of data, a comparison unit for comparing an access position for an access request from the processor with the write position, and a determining unit for determining a data dispersed pattern used in a data access from the processor on the basis of a comparison result of the comparison means, whereby the storage unit can be increased individually with a unit of one storage unit and dynamically without stop of the system.

公开(公告)号：EP2120149A3

公开(公告)日：2010-01-13

申请号：EP09165749.4

申请日：2004-04-20

申请人： Hitachi Ltd.

发明人： Takahashi, Masamitsu ,  Satoh, Takao ,  Ozawa, Koji

IPC分类号： G06F11/20

CPC分类号： G06F11/2071 ,  G06F3/061 ,  G06F3/0659 ,  G06F3/067 ,  G06F11/2038 ,  G06F11/2058 ,  G06F11/2064 ,  G06F11/2066 ,  G06F11/2069 ,  G06F11/2074 ,  G06F11/2082 ,  G06F12/0866 ,  G06F2201/84

摘要： The invention provides a storage apparatus comprising: a plurality of disks forming a plurality of logical volumes; and a control unit, configuring a group formed by the plurality of logical volumes, and having a memory storing a plurality of differential management tables corresponding to the plurality of logical volumes, the plurality of differential management tables indicating updated locations in the plurality of logical volumes, wherein the control unit configures a group including the plurality of logical volumes,
wherein the control unit receives an instruction designating a start time, records the start time in the memory, and corresponds the start time to the group,
wherein when the control unit receives a write request which designates a certain logical volume among the plurality of logical volumes and includes a write request time, identifies a certain differential management table corresponding to the certain logical volume among the plurality of differential management tables, clears the certain differential management table if a write request time is later than the start time, records location updated by the write request in the certain differential management table, and updates the location in the certain logical volume, and
wherein, if a current time is later than the start time, the control unit clears the plurality of differential management tables except for the certain differential management table, deletes the start time in the memory, and sends a completion notificaton.

公开(公告)号：EP1785869A1

公开(公告)日：2007-05-16

申请号：EP07004465.6

申请日：2004-10-26

申请人： Hitachi, Ltd.

发明人： Iwamura, Takashige ,  Takahashi, Masamitsu ,  Satoh, Takao ,  Maki, Nobuhiro

IPC分类号： G06F11/20

CPC分类号： G06F11/2074 ,  G06F11/2064 ,  G06F11/2069 ,  G06F11/2076 ,  G06F2201/82 ,  Y10S707/99952 ,  Y10S707/99953

摘要： When plural copy groups including pairs exist, remote copying for pairs belonging to copy groups is suspended selectively on a copy group-to-copy group basis, instead of suspending remote copying in all the copy groups at once. A computer system has a host computer (100), plural first storage systems (1000, 1600) comprising plural first logical disks (1600), and plural second storage systems (2000, 2600) comprising plural second logical disks (2600). A first logical disk and a second logical disk paired with the first logical disk, and each pair belongs to either a first copy group or a second copy group. To selectively suspend remote copying on a copy group-to-copy group basis, one of the copy groups is specified first and then pairs belonging to this copy group are designated. The first storage systems comprising first logical disks of the designated pairs suspend remote copy processing for the designated pairs.

摘要翻译： 当存在包括对的多个复制组时，对于属于复制组的对的远程复制被选择性地暂停在复制组到副本组的基础上，而不是一次挂起所有副本组中的远程复制。 计算机系统具有主计算机（100），包括多个第一逻辑磁盘（1600）的多个第一存储系统（1000,1600）和包括多个第二逻辑磁盘（2600）的多个第二存储系统（2000,2600）。 与第一逻辑磁盘配对的第一逻辑磁盘和第二逻辑磁盘，并且每对属于第一副本组或第二副本组。 要选择性地暂停基于副本组复制组的远程复制，首先指定其中一个副本组，然后指定属于该副本组的对。 包括指定对的第一逻辑磁盘的第一存储系统暂停指定的对的远程复制处理。

公开(公告)号：EP1006445A3

公开(公告)日：2000-10-11

申请号：EP00100077.7

申请日：1994-11-17

申请人： Hitachi, Ltd.

发明人： Arai, Kouji ,  Satoh, Takao ,  Yamamoto, Akira

IPC分类号： G06F11/10 ,  G06F3/06

CPC分类号： G06F11/1096 ,  G06F3/0601 ,  G06F3/0607 ,  G06F3/0613 ,  G06F3/0632 ,  G06F3/0658 ,  G06F3/0689 ,  G06F2003/0697

摘要： A storage unit system includes a control apparatus (1010) having a unit for reading memory data from a plurality of storage units (1021 to 1024) before increase into a memory (1012) of the control apparatus, a preparing unit for preparing parity data newly from the memory data read in the memory, a rearrangement unit for dispersing transfer data from a processor (1001) read in the memory and the newly prepared parity data to be written into a plurality of storage units (1021 to 1025) after the increase to perform arrangement of data, a memory unit (1035) for storing a write position on the way of the rearrangement of data, a comparison unit for comparing an access position for an access request from the processor with the write position, and a determining unit for determining a data dispersed pattern used in a data access from the processor on the basis of a comparison result of the comparison means, whereby the storage unit can be increased individually with a unit of one storage unit and dynamically without stop of the system.

摘要翻译： 存储单元系统包括：控制装置（1010），具有用于在增加到控制装置的存储器（1012）之前从多个存储单元（1021到1024）读取存储器数据的单元;准备单元，用于准备新的奇偶校验数据 根据在存储器中读取的存储器数据，重新排列单元，用于将在存储器中读取的来自处理器（1001）的传输数据和新准备的奇偶校验数据分散到待写入的多个存储单元（1021至1025）中， 执行数据的排列;存储单元（1035），用于在数据重排的路途上存储写入位置;比较单元，用于将来自处理器的访问请求的访问位置与写入位置进行比较;以及确定单元 根据比较装置的比较结果确定在处理器的数据访问中使用的数据分散模式，由此可以用一个存储单元的单元单独增加存储单元 并动态地不停止系统。

公开(公告)号：EP0702301A1

公开(公告)日：1996-03-20

申请号：EP95112951.9

申请日：1995-08-17

申请人： HITACHI, LTD.

发明人： Yamamoto, Akira ,  Yamamoto, Yasutomo ,  Takeuchi, Hisaharu ,  Satoh, Takao

IPC分类号： G06F11/10 ,  G11B20/18 ,  G06F3/06 ,  G06F12/08

CPC分类号： G06F11/1076 ,  G06F3/0601 ,  G06F12/0804 ,  G06F12/0866 ,  G06F2003/0697 ,  G06F2211/1009 ,  G11B20/1833 ,  Y10S707/99953

摘要： A method for controlling a disk control apparatus allows to reduce the number of times to read out information necessary for creating a new value of a parity record from a disk unit and the number of times to write the new value of the parity record into a disk unit. A parity-generation scheduling unit employed in the disk control apparatus reallocates data records in an unallocated status to a logical record in the parity group determined to undergo parity generation, to a logical record allocated to a data record pertaining to a parity group other than the parity group determined to undergo parity generation, if such unallocated data record exist in the parity group determined to undergo parity generation. Later on, the disk control apparatus creates a new value of parity record of the parity group initially determined to undergo parity generation and writes the new value into a disk unit.

摘要翻译： 用于控制盘控制装置的方法允许减少从盘单元读出创建奇偶校验记录的新值所必需的信息的次数，以及将奇偶校验记录的新值写入盘的次数 单元。 在盘控制装置中使用的奇偶校验生成调度单元将未分配状态的数据记录重新分配给被确定为进行奇偶校验生成的奇偶校验组中的逻辑记录，分配给分配给除奇偶校验组之外的奇偶校验组的数据记录的逻辑记录 如果这种未分配的数据记录存在于确定进行奇偶校验生成的奇偶校验组中，则确定进行奇偶校验生成。 之后，磁盘控制装置创建初始确定为进行奇偶校验生成的奇偶校验组的奇偶校验记录的新值，并将新值写入盘单元。

公开(公告)号：EP0656588A2

公开(公告)日：1995-06-07

申请号：EP94118794.0

申请日：1994-11-29

申请人： HITACHI, LTD.

发明人： Kanda, Motohiro ,  Satoh, Takao ,  Yamamoto, Akira

IPC分类号： G06F11/14

CPC分类号： G06F3/0601 ,  G06F2003/0697

摘要： In a storage device (30), a dump process can be conducted without any intervention of a CPU, and dump objective data at a dump start point can be completely dumped even when a data update is conducted during a period of time from the dump start point to a dump end point. A disk device with dump function (30) transfers data from a data not-updated region of a magnetic disk (100) to a disk device (31) as a dump destination in a predetermined sequence. In a case where a data update request is received during a period of time from the dump start point to the dump end point, when an area of the write data is other than the data not-updated region, the write data is written on the magnetic disk (100). When the area is in the data not-updated region, a before image block thereof is saved in the buffer (70) and then the write data is written on the magnetic disk (100). Thereafter, at an earlier one of the opportunity to transfer the pertinent data to the dump destination disk device (31) when the quantity of data saved in the buffer (70) exceeds a predetermined value or the opportunity to transfer the data thereto when an update request for the data is not done, the data saved in the buffer (70) is transferred to the dump destination disk device (31).

摘要翻译： 在存储装置（30）中，可以进行转储处理而不用CPU的任何干预，即使在从转储开始的一段时间内进行数据更新，转储起始点的转储目标数据也可以完全转储 指向转储终点。 具有转储功能的磁盘装置（30）以预定顺序将数据从磁盘（100）的数据未更新区域传送到作为转储目的地的磁盘装置（31）。 在从转储开始点到转储结束点的时间段期间接收到数据更新请求的情况下，当写入数据的区域不是数据未更新区域时，写入数据被写入 磁盘（100）。 当该区域处于数据未更新区域时，其前一个图像块被保存在缓冲器（70）中，然后写入数据被写入磁盘（100）。 此后，当保存在缓冲器（70）中的数据量超过预定值时，将相关数据传送到转储目的地磁盘设备（31）的机会较早，或者当更新时将数据传送到其中的机会 对数据的请求未完成，保存在缓冲器（70）中的数据被传送到转储目的地磁盘设备（31）。

公开(公告)号：EP1777625A3

公开(公告)日：2007-09-05

申请号：EP06025221.0

申请日：2004-04-20

申请人： HITACHI, LTD.

发明人： Takahashi, Masamitsu ,  Satoh, Takao ,  Ozawa, Koji

IPC分类号： G06F11/20

CPC分类号： G06F11/2071 ,  G06F3/061 ,  G06F3/0659 ,  G06F3/067 ,  G06F11/2038 ,  G06F11/2058 ,  G06F11/2064 ,  G06F11/2066 ,  G06F11/2069 ,  G06F11/2074 ,  G06F11/2082 ,  G06F12/0866 ,  G06F2201/84

摘要： The invention provides a storage system and a method of remote copying in a storage system comprising a first storage device (10) including a first controller (101), a storage area (109), and a first logical volume (109), a second storage device (20) including a second controller (101) and a second logical volume (109); and a third storage device (30) including a third controller (101) and a third logical volume (109).
The method comprises the steps of writing data received from an information processing apparatus into the first logical volume of the first storage device (10) and reflecting the data in the storage area, transmitting the data from the first storage device (10) to the second storage device (20), in an asynchronous manner, to store a copy of the data of the first logical volume in the second logical volume, and transmitting the data from the first storage device (10) to the third storage device (30), in a synchronous manner, to store a copy of the data of the first logical volume in the third logical volume, wherein in the asynchronous manner, the first storage device (10) changes a state of a pair comprising the storage area and the second logical volume, wherein in a first state, data written from an information processing apparatus are held in the first storage device (10), and in a second state, the data written from the information processing apparatus are transmitted to the second storage device (20), and wherein the third storage device (30) has two bitmaps for the third logical volume for recording data, indicating whether a block of a certain logical volume (109) has been updated, in a bitmap format, and after a change of a state of the pair from the second state to the first state, the third storage device (30) deletes data, indicating whether a block of a certain logical volume (109) has been updated, being recorded on one of the two bitmaps for the third logical volume.

公开(公告)号：EP1777625A2

公开(公告)日：2007-04-25

申请号：EP06025221.0

申请日：2004-04-20

申请人： HITACHI, LTD.

发明人： Takahashi, Masamitsu ,  Satoh, Takao ,  Ozawa, Koji

IPC分类号： G06F11/20

CPC分类号： G06F11/2071 ,  G06F3/061 ,  G06F3/0659 ,  G06F3/067 ,  G06F11/2038 ,  G06F11/2058 ,  G06F11/2064 ,  G06F11/2066 ,  G06F11/2069 ,  G06F11/2074 ,  G06F11/2082 ,  G06F12/0866 ,  G06F2201/84

摘要： The invention provides a storage system and a method of remote copying in a storage system comprising a first storage device (10) including a first controller (101), a storage area (109), and a first logical volume (109), a second storage device (20) including a second controller (101) and a second logical volume (109); and a third storage device (30) including a third controller (101) and a third logical volume (109).
The method comprises the steps of writing data received from an information processing apparatus into the first logical volume of the first storage device (10) and reflecting the data in the storage area, transmitting the data from the first storage device (10) to the second storage device (20), in an asynchronous manner, to store a copy of the data of the first logical volume in the second logical volume, and transmitting the data from the first storage device (10) to the third storage device (30), in a synchronous manner, to store a copy of the data of the first logical volume in the third logical volume, wherein in the asynchronous manner, the first storage device (10) changes a state of a pair comprising the storage area and the second logical volume, wherein in a first state, data written from an information processing apparatus are held in the first storage device (10), and in a second state, the data written from the information processing apparatus are transmitted to the second storage device (20), and wherein the third storage device (30) has two bitmaps for the third logical volume for recording data, indicating whether a block of a certain logical volume (109) has been updated, in a bitmap format, and after a change of a state of the pair from the second state to the first state, the third storage device (30) deletes data, indicating whether a block of a certain logical volume (109) has been updated, being recorded on one of the two bitmaps for the third logical volume.

摘要翻译： 本发明提供一种在存储系统中的远程复制的存储系统和方法，包括：第一存储设备（10），包括第一控制器（101），存储区域（109）和第一逻辑卷（109），第二存储设备 存储装置（20），包括第二控制器（101）和第二逻辑卷（109）; 和包括第三控制器（101）和第三逻辑卷（109）的第三存储设备（30）。 该方法包括以下步骤：将从信息处理设备接收的数据写入第一存储设备（10）的第一逻辑卷并将数据反映在存储区域中，将数据从第一存储设备（10）发送到第二存储设备 存储装置（20）以异步的方式将第一逻辑卷的数据的副本存储在第二逻辑卷中，并将数据从第一存储装置（10）发送到第三存储装置（30）， 以同步方式，将第一逻辑卷的数据的副本存储在第三逻辑卷中，其中以异步方式，第一存储设备（10）改变包括存储区域和第二逻辑卷的对的状态 体积，其中在第一状态下，从信息处理设备写入的数据被保存在第一存储设备（10）中，并且在第二状态下，从信息处理设备写入的数据被发送到第二 存储装置（20），并且其中所述第三存储装置（30）具有用于记录数据的第三逻辑卷的两个位图，指示某一逻辑卷（109）的块是否已被更新，位图格式，以及之后 将所述对的状态从所述第二状态改变到所述第一状态，所述第三存储装置（30）删除指示是否更新了某个逻辑卷（109）的块的数据，记录在所述两个中的一个上 第三个逻辑卷的位图。