公开(公告)号：US20150356078A1

公开(公告)日：2015-12-10

申请号：US14426428

申请日：2014-06-06

Applicant: Satoru KISHIMOTO ,  Yoji NAKATANI ,  Yoji SUNADA

Inventor： Satoru KISHIMOTO ,  Yoji NAKATANI ,  Yoji SUNADA

IPC: G06F17/30

CPC classification number: G06F17/302 ,  G06F17/30079 ,  G06F17/30082 ,  G06F17/30091 ,  G06F17/30174

Abstract: The present invention provides a storage subsystem capable of realizing efficient data migration and high access performance. During migration of data between storage subsystems, data migration methods are selected between a “PUSH” type and a “PULL” type method based on a data migration policy set in advance to perform data migration processes. An access characteristics of a file and a folder storing the file are determined based on a file access frequency or a final access date and time information in a migration source storage subsystem, and the migration order of a file group determined to have a high possibility of being accessed during data migration is changed between the “PUSH” type and the “PULL” type.

Abstract translation: 本发明提供一种能够实现有效的数据迁移和高访问性能的存储子系统。 在存储子系统之间迁移数据期间，基于预先设置的数据迁移策略，在“PUSH”类型和“PULL”类型方法之间选择数据迁移方法，以执行数据迁移过程。 基于文件访问频率或迁移源存储子系统中的最终访问日期和时间信息来确定存储文件的文件和文件夹的访问特征，以及被确定为具有高可能性的文件组的迁移顺序 在“PUSH”类型和“PULL”类型之间，在数据迁移过程中被访问。

公开(公告)号：US20100023716A1

公开(公告)日：2010-01-28

申请号：US12212049

申请日：2008-09-17

Applicant: Jun NEMOTO ,  Atsushi SUTOH ,  Takaki NAKAMURA ,  Yoji NAKATANI

Inventor： Jun NEMOTO ,  Atsushi SUTOH ,  Takaki NAKAMURA ,  Yoji NAKATANI

IPC: G06F12/16

CPC classification number: G06F3/065 ,  G06F3/0614 ,  G06F3/0683 ,  G06F11/1451 ,  G06F2201/84

Abstract: Difference information between two snapshots from a first point-in-time snapshot, which has been copied, to an Nth point-in-time snapshot, which constitutes the latest point-in-time snapshot, is acquired to a memory module. The memory module stores two or more pieces of difference information. The two or more pieces of difference information comprise difference information that shows the difference between a first point-in-time snapshot and any snapshot other than the first point-in-time snapshot of N snapshots. Copy difference information, which is information that shows the difference between the first point-in-time snapshot and a specified snapshot from among N snapshots, and which is used in copying the specified snapshot, is created on the basis of the two or more pieces of difference information.

Abstract translation: 从已经被复制的第一时间点快照到构成最新时刻快照的第N个时刻快照的两个快照之间的差异信息被获取到存储器模块。 存储器模块存储两个或更多个差异信息。 两条或更多条差异信息包括差异信息，其显示第一时间点快照与N个快照的第一时间点快照之外的任何快照之间的差异。 复制差异信息，它是显示N个快照中第一个时间点快照和指定快照之间的差异的信息，以及用于复制指定快照的信息，是基于两个或多个部分创建的 的差异信息。

公开(公告)号：US20090094246A1

公开(公告)日：2009-04-09

申请号：US12329759

申请日：2008-12-08

Applicant: Yohsuke ISHII ,  Yoji NAKATANI ,  Takahiro NAKANO

Inventor： Yohsuke ISHII ,  Yoji NAKATANI ,  Takahiro NAKANO

IPC: G06F17/30 ,  G06F12/00

CPC classification number: G06F16/181

Abstract: A file system access control which carries WORM commitment for files in a single transaction is provided. The file system access control apparatus includes command files that support WORM commitment, interprets WORM commitment command which is registered in command files by means of a daemon process module and executes WORM commitment in a file. A plurality of files and those under management of directories are changed of the file access modes to meet WORM. In addition, a system that allows WRITE command for the command files by means of a standard interface of the file system. The results of WORM commitment is registered in the repository files under the system regarding the present invention.

Abstract translation: 提供了在单个事务中承载文件的文件系统访问控制。 文件系统访问控制装置包括支持WORM承诺的命令文件，通过守护进程模块解释在命令文件中注册的WORM承诺命令，并在文件中执行WORM承诺。 多个文件和管理目录的文件被更改为文件访问模式以满足WORM。 另外，还可以通过文件系统的标准接口为命令文件写入命令的系统。 WORM承诺的结果登记在本发明系统下的存储库文件中。

公开(公告)号：US20090144290A1

公开(公告)日：2009-06-04

申请号：US12361713

申请日：2009-01-29

Applicant: Yoji NAKATANI ,  Koji Sonoda ,  Takahiro Nakano

Inventor： Yoji NAKATANI ,  Koji Sonoda ,  Takahiro Nakano

IPC: G06F17/30

CPC classification number: G06F3/0605 ,  G06F3/0643 ,  G06F3/0647 ,  G06F3/067 ,  G06F17/30079 ,  G06F2206/1012

Abstract: Provided is a storage system as follows. A server holds a management table that serves to manage a mount point of a file system. The management table stores a file system identifier that uniquely identifies the file system within the storage system, mount point information that indicates the mount point of the file system, and a management server identifier that indicates an identifier of the server that manages the file system. The contents stored in the management table of each server are the same. Upon reception of a request to obtain a file handle, each server returns the file handle requested to be obtained. The file handle indicates, uniquely within the storage system, the storage area on the disk subsystem in which the file relating to the request is stored.

Abstract translation: 提供如下的存储系统。 服务器保存用于管理文件系统的安装点的管理表。 管理表存储唯一地标识存储系统内的文件系统的文件系统标识符，指示文件系统的安装点的安装点信息和指示管理文件系统的服务器的标识符的管理服务器标识符。 存储在每个服务器的管理表中的内容是相同的。 在接收到获取文件句柄的请求时，每个服务器返回请求获得的文件句柄。 文件句柄在存储系统中唯一地指示存储与请求相关的文件的磁盘子系统上的存储区域。

公开(公告)号：US20100115008A1

公开(公告)日：2010-05-06

申请号：US12684356

申请日：2010-01-08

Applicant: Yoji NAKATANI ,  Koji Sonoda ,  Kenji Kataoka

Inventor： Yoji NAKATANI ,  Koji Sonoda ,  Kenji Kataoka

IPC: G06F12/00 ,  G06F15/16

CPC classification number: G06F17/30079 ,  G06F17/302

Abstract: In a cluster type NAS, it is necessary to copy file data between disk devices of servers upon migration of a file system or a part of the file system. A server includes a control table for managing a file system or a part of the file system, and a mapping table for managing a relation between a logical device of a disk subsystem and a logical unit recognized by a server, and in response to an instruction to execute migration of the file system from a first server to a second server, the mapping table is referenced to send an instruction to update the relation between the logical device and the logical unit to the second server, and the second server newly recognizes a logical unit and updates a management server identifier of the control table.

Abstract translation: 在集群类型NAS中，有必要在文件系统或文件系统的一部分迁移时将文件数据复制到服务器的磁盘设备之间。 服务器包括用于管理文件系统或文件系统的一部分的控制表，以及用于管理磁盘子系统的逻辑设备与由服务器识别的逻辑单元之间的关系以及响应于指令的映射表 为了执行文件系统从第一服务器到第二服务器的迁移，参考映射表发送指令以将逻辑设备和逻辑单元之间的关系更新到第二服务器，并且第二服务器重新识别逻辑 单元并更新控制表的管理服务器标识符。