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    • 22. 发明授权
    • Method and apparatus for managing data compression and integrity in a computer storage system
    • 用于管理计算机存储系统中的数据压缩和完整性的方法和装置
    • US07941409B2
    • 2011-05-10
    • US11898232
    • 2007-09-11
    • Yasuyuki Mimatsu
    • Yasuyuki Mimatsu
    • G06F17/00
    • H03M7/30
    • A storage system stores discrete data units and corresponding metadata. The storage system receives data for storage, calculates a first hash value for the data, and identifies a set of compression conditions that correspond to a client ID associated with the data. When the compression conditions indicate that the data should be compressed, the data is compressed to create compressed data. Following compression of the data, the storage system calculates a second hash value for the compressed data, and stores the second hash value in the metadata, while also retaining the first hash value in the metadata. The storage system stores the compressed data, and deletes the uncompressed version of the data. An integrity check of the data stored in the storage system can be carried out periodically using the first or second hash values contained in metadata for each discrete data unit.
    • 存储系统存储离散数据单元和对应的元数据。 存储系统接收用于存储的数据,计算数据的第一哈希值,并且识别与与数据相关联的客户端ID相对应的一组压缩条件。 当压缩条件指示数据应该被压缩时,数据被压缩以产生压缩数据。 在数据压缩之后,存储系统计算压缩数据的第二散列值,并将第二散列值存储在元数据中,同时还将第一散列值保留在元数据中。 存储系统存储压缩数据,并删除未压缩版本的数据。 可以使用包含在每个离散数据单元的元数据中的第一或第二散列值来周期性地执行存储在存储系统中的数据的完整性检查。
    • 24. 发明授权
    • Clustered storage system with external storage systems
    • 具有外部存储系统的集群存储系统
    • US07895287B2
    • 2011-02-22
    • US11969487
    • 2008-01-04
    • Yasuyuki MimatsuShoji Kodama
    • Yasuyuki MimatsuShoji Kodama
    • G06F15/167G06F13/00
    • H04L67/1097G06F3/0617G06F3/0635G06F3/0665G06F3/067G06F11/201
    • A data storage system comprises a first platform storage system including a first network interface to communicate with a host computer, a first storage unit to provide storage volumes, a first storage controller to control the first storage unit, and a first memory to store a first control program to process an input/output (I/O) request received by the first platform storage system. A second platform storage system includes a second network to communicate with the host computer, a second storage unit to provide storage volumes, a second storage controller to control the second storage unit, and a second memory to store a second control program to process an I/O request received by the second platform storage system. An external storage system is coupled to the first and second platform storage systems, the external storage system including a third storage unit to provide storage volumes and a third storage controller to control the third storage unit. The first and second platform storage systems are configured to present the storage volumes of the external storage system to the host computer, so that the host computer can access the storage volumes of the external storage system via one of the first and second platform storage systems if the host computer is unable to access the storage volumes of the external storage system via the other platform storage system.
    • 数据存储系统包括:第一平台存储系统,包括与主计算机进行通信的第一网络接口,提供存储卷的第一存储单元,用于控制第一存储单元的第一存储控制器以及存储第一存储单元的第一存储器 控制程序来处理由第一平台存储系统接收的输入/输出(I / O)请求。 第二平台存储系统包括与主机通信的第二网络,提供存储卷的第二存储单元,用于控制第二存储单元的第二存储控制器和存储第二控制程序以处理I / O请求由第二平台存储系统接收。 外部存储系统耦合到第一和第二平台存储系统,外部存储系统包括提供存储容量的第三存储单元和用于控制第三存储单元的第三存储控制器。 第一和第二平台存储系统被配置为将外部存储系统的存储卷呈现给主计算机,使得主计算机可以经由第一和第二平台存储系统之一访问外部存储系统的存储卷,如果 主机无法通过其他平台存储系统访问外部存储系统的存储卷。
    • 25. 发明申请
    • METHODS AND APPARATUS FOR BACKUP AND RESTORE OF THIN PROVISIONING VOLUME
    • 用于备份和恢复稀释量的方法和装置
    • US20100250880A1
    • 2010-09-30
    • US12413406
    • 2009-03-27
    • Yasuyuki Mimatsu
    • Yasuyuki Mimatsu
    • G06F12/16G06F12/00G06F12/02G06F12/08
    • G06F11/1451G06F3/0608G06F3/065G06F3/0665G06F3/067G06F11/1456G06F11/1464G06F11/1469G06F2201/84
    • Methods and apparatuses for backing up virtual volumes effectively by eliminating transfer and preservation of parts of virtual volumes, which contain no data. By representing virtual volumes as virtual files in a virtual file system, it is thereby possible to avoid needlessly backing up empty data space in the virtual volume. In one implementation, a storage system includes multiple virtual volumes and a virtual file system as well as a storage system control module. Each virtual volume in the multiple virtual volumes is represented as a virtual file within the virtual file system with each virtual file representing data actually stored within the virtual volume; and the storage system control module facilitates backing up a selected virtual volume, the operations involving accessing the virtual file system on the storage system; and reading the virtual file corresponding to the selected virtual volume.
    • 通过消除不包含数据的虚拟卷部分的传输和保留来有效备份虚拟卷的方法和设备。 通过将虚拟卷表示为虚拟文件系统中的虚拟文件,由此可以避免不必要地备份虚拟卷中的空数据空间。 在一个实现中,存储系统包括多个虚拟卷和虚拟文件系统以及存储系统控制模块。 多个虚拟卷中的每个虚拟卷被表示为虚拟文件系统内的虚拟文件,每个虚拟文件表示虚拟卷中实际存储的数据; 并且所述存储系统控制模块便于备份所选择的虚拟卷,所述操作涉及访问所述存储系统上的所述虚拟文件系统; 并读取与所选虚拟卷相对应的虚拟文件。
    • 28. 发明申请
    • Tiered storage system with single instance function
    • 具有单实例功能的分层存储系统
    • US20080104081A1
    • 2008-05-01
    • US11589227
    • 2006-10-30
    • Yasuyuki Mimatsu
    • Yasuyuki Mimatsu
    • G06F17/30
    • G06F16/10
    • In a tiered storage system, unintended degradation of performance, reliability and security caused by applying a single instance function to the data in the storage system is avoided. When multiple identical files are stored in the storage system, the storage system determines whether the single instance function should be applied to the identical files or not, and a tier into which the actual instance of the data is stored, depending on the characteristics of the tiers. Thus, performance, reliability and security are maintained at the same level as when the single instance function is not applied. The invention may be implemented when the single instance function is applied to files in the same tier, or when the single instance is applied according to specified groups of logical volumes, so that the single instance function is applied to files in the same group even if the group encompasses multiple tiers.
    • 在分层存储系统中,避免了通过将单个实例功能应用于存储系统中的数据而引起的性能,可靠性和安全性的意外降级。 当在存储系统中存储多个相同的文件时,存储系统确定单个实例功能是否应该被应用于相同的文件,以及存储数据的实际实例的层,这取决于 层级。 因此,性能,可靠性和安全性保持在与不应用单实例功能时相同的水平。 当将单个实例功能应用于同一层中的文件时,或者当根据指定的逻辑卷组应用单个实例时,可以实现本发明,使得单个实例功能被应用于同一组中的文件,即使 该组包含多个层。
    • 29. 发明授权
    • Configuration management apparatus and method
    • 配置管理装置和方法
    • US07100016B2
    • 2006-08-29
    • US10806099
    • 2004-03-23
    • Masayuki YamamotoYasunori KanedaYasuyuki Mimatsu
    • Masayuki YamamotoYasunori KanedaYasuyuki Mimatsu
    • G06F12/08
    • G06F3/0647G06F3/0605G06F3/067G06F12/0866
    • To migrate a configuration that an old storage device has to a new storage device.A new storage device 4000 obtains a configuration of an old storage device 5000, by using a migration manager PG 4345, and prepares a logical volume definition of the new storage device 4000 on the basis of a logical volume definition which is included in the configuration. Also, on the basis of a cache allocation definition included in the configuration of the old storage device 5000 and cache capacity of the new storage device 4000, a cache allocation definition of the new storage device 4000 is prepared. Also, on the basis of a port bandwidth allocation definition included in the configuration of the old storage device 5000 and bandwidth capacity of a port of the new storage device 4000, a port bandwidth allocation definition of the new storage device 4000 is prepared. And, the logical volume definition, the cache allocation definition and the port bandwidth allocation definition which were prepared as above are set up in a configuration of the new storage device 4000.
    • 将旧存储设备的配置迁移到新的存储设备。 新存储装置4000通过使用迁移管理器PG 4345获得旧存储装置5000的配置,并且基于包括在该配置中的逻辑卷定义来准备新存储装置4000的逻辑卷定义。 此外,基于旧存储装置5000的配置中包含的高速缓存分配定义和新存储装置4000的高速缓存容量,准备新存储装置4000的高速缓存分配定义。 此外,基于旧存储装置5000的配置中包含的端口带宽分配定义和新存储装置4000的端口的带宽容量,准备新的存储装置4000的端口带宽分配定义。 并且,如上所述准备的逻辑卷定义,缓存分配定义和端口带宽分配定义在新存储设备4000的配置中建立。
    • 30. 发明申请
    • Clustered storage system with external storage systems
    • 具有外部存储系统的集群存储系统
    • US20060179188A1
    • 2006-08-10
    • US11055001
    • 2005-02-09
    • Yasuyuki MimatsuShoji Kodama
    • Yasuyuki MimatsuShoji Kodama
    • G06F13/38
    • H04L67/1097G06F3/0617G06F3/0635G06F3/0665G06F3/067G06F11/201
    • A data storage system comprises a first platform storage system including a first network interface to communicate with a host computer, a first storage unit to provide storage volumes, a first storage controller to control the first storage unit, and a first memory to store a first control program to process an input/output (I/O) request received by the first platform storage system. A second platform storage system includes a second network to communicate with the host computer, a second storage unit to provide storage volumes, a second storage controller to control the second storage unit, and a second memory to store a second control program to process an I/O request received by the second platform storage system. An external storage system is coupled to the first and second platform storage systems, the external storage system including a third storage unit to provide storage volumes and a third storage controller to control the third storage unit. The first and second platform storage systems are configured to present the storage volumes of the external storage system to the host computer, so that the host computer can access the storage volumes of the external storage system via one of the first and second platform storage systems if the host computer is unable to access the storage volumes of the external storage system via the other platform storage system.
    • 数据存储系统包括:第一平台存储系统,包括与主计算机进行通信的第一网络接口,提供存储卷的第一存储单元,用于控制第一存储单元的第一存储控制器以及存储第一存储单元的第一存储器 控制程序来处理由第一平台存储系统接收的输入/输出(I / O)请求。 第二平台存储系统包括与主计算机通信的第二网络,提供存储卷的第二存储单元,用于控制第二存储单元的第二存储控制器,以及存储第二控制程序以处理I / O请求由第二平台存储系统接收。 外部存储系统耦合到第一和第二平台存储系统,外部存储系统包括提供存储容量的第三存储单元和用于控制第三存储单元的第三存储控制器。 第一和第二平台存储系统被配置为将外部存储系统的存储卷呈现给主计算机,使得主计算机可以经由第一和第二平台存储系统之一访问外部存储系统的存储卷,如果 主机无法通过其他平台存储系统访问外部存储系统的存储卷。