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1. 发明授权

US07587471B2 System and method for virtualizing network storages into a single file system view 有权
标题翻译：将网络存储虚拟化为单个文件系统视图的系统和方法
公开(公告)号：US07587471B2
公开(公告)日：2009-09-08
申请号：US10387382
申请日：2003-03-14
申请人： Yoshiko Yasuda , Tatsuo Higuchi , Shinichi Kawamoto , Atsushi Ebata , Jun Okitsu
发明人： Yoshiko Yasuda , Tatsuo Higuchi , Shinichi Kawamoto , Atsushi Ebata , Jun Okitsu
IPC分类号： G06F15/177 , G06F15/173 , G06F9/455
CPC分类号： G06F3/0607 , G06F3/0647 , G06F3/067 , G06F17/30067
摘要： A system and method for virtualizing a new network storage additionally installed and an existing network storage as a single file system by inheriting a directories tree structure from the existing network storage, wherein a virtualizing system of the new network storage has the function of reading out setup information of the existing network storage according to an expansion request from the administrator, registering the existing network storage as a member of the virtualizing system, copying a directories tree structure of the existing network storage, and swapping setup information of the existing network storage and that of he new network storage with each other.
摘要翻译：一种用于通过从现有网络存储器继承目录树结构来虚拟化额外安装的新网络存储器和现有网络存储器作为单个文件系统的系统和方法，其中，新网络存储器的虚拟化系统具有读出设置根据来自管理员的扩展请求的现有网络存储器的信息，将现有网络存储器注册为虚拟化系统的成员，复制现有网络存储器的目录树结构，以及交换现有网络存储器的设置信息，以及交换现有网络存储器的设置信息，他的新网络存储彼此。

2. 发明申请

US20090198946A1 Computer system and garbage collection method of disk space 有权
标题翻译：磁盘空间的计算机系统和垃圾收集方法
公开(公告)号：US20090198946A1
公开(公告)日：2009-08-06
申请号：US12081855
申请日：2008-04-22
申请人： Atsushi Ebata
发明人： Atsushi Ebata
IPC分类号： G06F12/00
CPC分类号： G06F3/0608 , G06F3/0644 , G06F3/067
摘要： A processor of a management computer acquires the free disk space amount of a disk pool, acquires the invalid disk space amount from a plurality of host computers, determines a host computer to which the instruction for the physical disk space collection is issued on the basis of the invalid disk space amount, and judges that the free disk space amount is smaller than a predetermined threshold value before transmitting a GC control request to the determined host computer; another processor generates and transmits invalid disk space position information indicating the position of the invalid disk space in a virtual volume in cases where a host investigation request is received; and the other processor collects the physical disk space of a physical disk allocated to the storage disk space of the virtual volume in the disk pool.
摘要翻译：管理计算机的处理器获取磁盘池的可用磁盘空间量，从多个主计算机获取无效磁盘空间量，基于以下方式确定发出物理磁盘空间集合指令的主计算机：无效磁盘空间量，并且在向所确定的主计算机发送GC控制请求之前判断可用磁盘空间量小于预定阈值; 在接收到主机调查请求的情况下，另一个处理器生成并发送指示虚拟卷中的无效磁盘空间的位置的无效磁盘空间位置信息; 另一个处理器收集分配给磁盘池中虚拟卷的存储磁盘空间的物理磁盘的物理磁盘空间。

3. 发明授权

US07392357B2 Snapshot format conversion method and apparatus 失效
标题翻译：快照格式转换方法和装置
公开(公告)号：US07392357B2
公开(公告)日：2008-06-24
申请号：US11361366
申请日：2006-02-24
申请人： Atsushi Ebata
发明人： Atsushi Ebata
IPC分类号： G06F12/00
CPC分类号： G06F11/2071 , G06F3/0608 , G06F3/065 , G06F3/067 , G06F11/1448 , G06F11/2069 , G06F11/2082 , G06F2201/84 , Y10S707/99953
摘要： A system according to this invention converts a full-copy snapshot into a differential snapshot. The system is composed of a storage subsystem and a server subsystem. The storage subsystem comprises a disk drive and a disk controller. The server subsystem comprises an interface, a processor, and a memory. The disk controller provides storage areas of the disk drive as logical volumes, and stores a differential block bitmap. The processor obtains the differential block bitmap, and identifies a block from the differential block bitmap. The processor obtains, from a full-copy snapshot volume, differential data that is stored in the identified block. The processor stores the obtained differential data in a differential volume. The processor stores, in differential block arrangement information, the location of the differential data stored in the differential volume.
摘要翻译：根据本发明的系统将全副本快照转换为差分快照。该系统由存储子系统和服务器子系统组成。存储子系统包括磁盘驱动器和磁盘控制器。服务器子系统包括接口，处理器和存储器。磁盘控制器将磁盘驱动器的存储区域提供为逻辑卷，并存储差分块位图。处理器获得差分块位图，并从差分块位图中识别一个块。处理器从全拷贝快照卷获得存储在识别块中的差分数据。处理器将获得的差分数据存储在差分卷中。处理器在差分块布置信息中存储存储在差分卷中的差分数据的位置。

4. 发明申请

US20070156984A1 Snapshot format conversion method and apparatus 失效
标题翻译：快照格式转换方法和装置
公开(公告)号：US20070156984A1
公开(公告)日：2007-07-05
申请号：US11361366
申请日：2006-02-24
申请人： Atsushi Ebata
发明人： Atsushi Ebata
IPC分类号： G06F12/16
CPC分类号： G06F11/2071 , G06F3/0608 , G06F3/065 , G06F3/067 , G06F11/1448 , G06F11/2069 , G06F11/2082 , G06F2201/84 , Y10S707/99953
摘要： A system according to this invention converts a full-copy snapshot into a differential snapshot. The system is composed of a storage subsystem and a server subsystem. The storage subsystem comprises a disk drive and a disk controller. The server subsystem comprises an interface, a processor, and a memory. The disk controller provides storage areas of the disk drive as logical volumes, and stores a differential block bitmap. The processor obtains the differential block bitmap, and identifies a block from the differential block bitmap. The processor obtains, from a full-copy snapshot volume, differential data that is stored in the identified block. The processor stores the obtained differential data in a differential volume. The processor stores, in differential block arrangement information, the location of the differential data stored in the differential volume.
摘要翻译：根据本发明的系统将全副本快照转换为差分快照。该系统由存储子系统和服务器子系统组成。存储子系统包括磁盘驱动器和磁盘控制器。服务器子系统包括接口，处理器和存储器。磁盘控制器将磁盘驱动器的存储区域提供为逻辑卷，并存储差分块位图。处理器获得差分块位图，并从差分块位图中识别一个块。处理器从全拷贝快照卷获得存储在识别块中的差分数据。处理器将获得的差分数据存储在差分卷中。处理器在差分块布置信息中存储存储在差分卷中的差分数据的位置。

5. 发明授权

US07146389B2 Method for rebalancing free disk space among network storages virtualized into a single file system view 有权
标题翻译：网络存储虚拟化中的可用磁盘空间重新平衡为单个文件系统视图的方法
公开(公告)号：US07146389B2
公开(公告)日：2006-12-05
申请号：US10646894
申请日：2003-08-25
申请人： Atsushi Ebata , Shinichi Kawamoto , Jun Okitsu , Yoshiko Yasuda
发明人： Atsushi Ebata , Shinichi Kawamoto , Jun Okitsu , Yoshiko Yasuda
IPC分类号： G06F12/00 , G06F17/30
CPC分类号： G06F17/30067 , G06F3/0608 , G06F3/0647 , G06F3/067 , Y10S707/99953 , Y10S707/99956
摘要： A method for moving files between network storages in a virtualized network storage system having multiple network storages and rebalancing the free disk spaces. It periodically judges whether to start rebalancing. Two different conditions are adopted for the determination of start: (a) an imbalance of free disk spaces and the minimum value of the free disk spaces is less than a threshold and (b) an imbalance of free disk spaces and the frequency of accesses to the system is less than a threshold. Rebalancing is performed until the difference in free disk spaces falls below the threshold without exceeding the maximum execution time of rebalancing. If a request to write into a file which is being moved from a client takes place during a file moving step, the movement of the file is aborted and the file is deleted from the destination.
摘要翻译：一种用于在具有多个网络存储器的虚拟化网络存储系统中的网络存储器之间移动文件并重新平衡可用磁盘空间的方法。它定期评估是否开始重新平衡。采用两种不同的条件来确定启动：（a）可用磁盘空间不平衡，可用磁盘空间的最小值小于阈值，（b）可用磁盘空间不平衡和访问频率系统小于阈值。执行重新平衡，直到可用磁盘空间的差异低于阈值，而不超过重新平衡的最大执行时间。如果写入到从客户端移动的文件的请求在文件移动步骤期间发生，则文件的移动被中止，并且从目的地删除该文件。

6. 发明授权

US07953701B2 Method of controlling total disk usage amount in virtualized and unified network storage system 有权
标题翻译：在虚拟化统一网络存储系统中控制总磁盘使用量的方法
公开(公告)号：US07953701B2
公开(公告)日：2011-05-31
申请号：US11595878
申请日：2006-11-13
申请人： Jun Okitsu , Shinichi Kawamoto , Atsushi Ebata , Yoshiko Yasuda , Tatsuo Higuchi
发明人： Jun Okitsu , Shinichi Kawamoto , Atsushi Ebata , Yoshiko Yasuda , Tatsuo Higuchi
IPC分类号： G06F17/30
CPC分类号： G06F3/0665 , G06F3/0608 , G06F3/0644 , G06F3/067
摘要： A system includes at least a user and a file system connected to the user through a network. An estimated write size of a write operation of the user into the file system is managed as an accumulated value. The timing of judging the limit of the disk usage amount is specified from the accumulated value and a predetermined threshold value, and the limit of the disk usage amount is judged at the specified timing, so that disk usage amount by a user may be limited and managed.
摘要翻译：系统至少包括通过网络连接到用户的用户和文件系统。将用户到文件系统的写入操作的估计写入大小作为累积值进行管理。从累积值和预定阈值指定判断磁盘使用量的限制的定时，并且在指定的定时判断磁盘使用量的限制，使得用户的磁盘使用量可能受到限制，并且管理。

7. 发明授权

US07590667B2 File replication method for distributed file systems 失效
标题翻译：分布式文件系统的文件复制方法
公开(公告)号：US07590667B2
公开(公告)日：2009-09-15
申请号：US10767778
申请日：2004-01-30
申请人： Yoshiko Yasuda , Shinichi Kawamoto , Atsushi Ebata , Jun Okitsu
发明人： Yoshiko Yasuda , Shinichi Kawamoto , Atsushi Ebata , Jun Okitsu
IPC分类号： G06F12/00 , G06F17/30
CPC分类号： G06F17/30212 , G06F17/30233 , Y10S707/99931 , Y10S707/99938 , Y10S707/99952 , Y10S707/99953
摘要： A file replication method which allows, between a plurality of virtualized-and-unified file systems, real-time creation of a partial copy of that one of the virtualized-and-unified file systems as a target of replication is provided. The replication-source virtualized-and-unified file system is provided with a unified management directory for managing a structure of files and directories and the attribute information thereof, replication information for setting the file as an object to be copied, a request reception unit for receiving a request from a client in a unified manner, and a replication unit for judging whether or not replication should be performed in accordance with the unified management directory and the replication information and simultaneously transferring, based on the result of the judgment, the file access request to the replication-source virtualized-and-unified file system and to the replication-destination virtualized-and-unified file system.
摘要翻译：提供一种文件复制方法，其允许在多个虚拟化和统一文件系统之间实时创建作为复制目标的虚拟化和统一文件系统之一的部分副本。复制源虚拟化和统一文件系统具有用于管理文件和目录的结构的统一管理目录及其属性信息，用于将文件设置为要复制的对象的复制信息，用于以统一的方式接收来自客户端的请求;以及复制单元，用于根据统一管理目录和复制信息来判断是否应执行复制，并且基于判断结果同时传送文件访问请求到复制源虚拟化和统一文件系统以及复制目标虚拟化和统一文件系统。

8. 发明申请

US20050044198A1 Method of controlling total disk usage amount in virtualized and unified network storage system 有权
标题翻译：在虚拟化统一网络存储系统中控制总磁盘使用量的方法
公开(公告)号：US20050044198A1
公开(公告)日：2005-02-24
申请号：US10650843
申请日：2003-08-29
申请人： Jun Okitsu , Shinichi Kawamoto , Atsushi Ebata , Yoshiko Yasuda , Tatsuo Higuchi
发明人： Jun Okitsu , Shinichi Kawamoto , Atsushi Ebata , Yoshiko Yasuda , Tatsuo Higuchi
IPC分类号： G06F3/06 , G06F15/173
CPC分类号： G06F3/0665 , G06F3/0608 , G06F3/0644 , G06F3/067
摘要： A system having at least a user and a file system connected to the user through a network is disclosed, in which an estimated write size of the user into the file system is managed as an accumulated value, the timing of judging the limit of the disk usage amount is specified from the accumulated value and a predetermined threshold value, and the limit of the disk usage amount is judged at the specified timing.
摘要翻译：公开了至少具有通过网络连接到用户的用户和文件系统的系统，其中将用户进入文件系统的估计写入大小作为累积值进行管理，判断磁盘限制的时间从累计值和预定阈值指定使用量，并且在指定的时刻判断磁盘使用量的限制。

9. 发明授权

US07925846B2 Computer system and garbage collection method of disk space 有权
标题翻译：磁盘空间的计算机系统和垃圾收集方法
公开(公告)号：US07925846B2
公开(公告)日：2011-04-12
申请号：US12081855
申请日：2008-04-22
申请人： Atsushi Ebata
发明人： Atsushi Ebata
IPC分类号： G06F13/00
CPC分类号： G06F3/0608 , G06F3/0644 , G06F3/067
摘要： A processor of a management computer acquires the free disk space amount of a disk pool, acquires the invalid disk space amount from a plurality of host computers, determines a host computer to which the instruction for the physical disk space collection is issued on the basis of the invalid disk space amount, and judges that the free disk space amount is smaller than a predetermined threshold value before transmitting a GC control request to the determined host computer; another processor generates and transmits invalid disk space position information indicating the position of the invalid disk space in a virtual volume in cases where a host investigation request is received; and the other processor collects the physical disk space of a physical disk allocated to the storage disk space of the virtual volume in the disk pool.
摘要翻译：管理计算机的处理器获取磁盘池的可用磁盘空间量，从多个主计算机获取无效磁盘空间量，基于以下方式确定发出物理磁盘空间集合指令的主计算机：无效磁盘空间量，并且在向所确定的主计算机发送GC控制请求之前判断可用磁盘空间量小于预定阈值; 在接收到主机调查请求的情况下，另一个处理器生成并发送指示虚拟卷中的无效磁盘空间的位置的无效磁盘空间位置信息; 另一个处理器收集分配给磁盘池中虚拟卷的存储磁盘空间的物理磁盘的物理磁盘空间。

10. 发明授权

US07680847B2 Method for rebalancing free disk space among network storages virtualized into a single file system view 有权
标题翻译：网络存储虚拟化中的可用磁盘空间重新平衡为单个文件系统视图的方法
公开(公告)号：US07680847B2
公开(公告)日：2010-03-16
申请号：US11588213
申请日：2006-10-27
申请人： Atsushi Ebata , Shinichi Kawamoto , Jun Okitsu , Yoshiko Yasuda
发明人： Atsushi Ebata , Shinichi Kawamoto , Jun Okitsu , Yoshiko Yasuda
IPC分类号： G06F17/30
CPC分类号： G06F17/30067 , G06F3/0608 , G06F3/0647 , G06F3/067 , Y10S707/99953 , Y10S707/99956
摘要： A method for moving files between network storages in a virtualized network storage system having multiple network storages and rebalancing the free disk spaces. It periodically judges whether to start rebalancing. Two different conditions are adopted for the determination of start: (a) an imbalance of free disk spaces and the minimum value of the free disk spaces is less than a threshold and (b) an imbalance of free disk spaces and the frequency of accesses to the system is less than a threshold. Rebalancing is performed until the difference in free disk spaces falls below the threshold without exceeding the maximum execution time of rebalancing. If a request to write into a file which is being moved from a client takes place during a file moving step, the movement of the file is aborted and the file is deleted from the destination.
摘要翻译：一种用于在具有多个网络存储器的虚拟化网络存储系统中的网络存储器之间移动文件并重新平衡可用磁盘空间的方法。它定期评估是否开始重新平衡。采用两种不同的条件来确定启动：（a）可用磁盘空间不平衡，可用磁盘空间的最小值小于阈值，（b）可用磁盘空间不平衡和访问频率系统小于阈值。执行重新平衡，直到可用磁盘空间的差异低于阈值，而不超过重新平衡的最大执行时间。如果写入到从客户端移动的文件的请求在文件移动步骤期间发生，则文件的移动被中止，并且从目的地删除该文件。

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