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    • 61. 发明申请
    • User interface for representing multiple data sets on a common graph
    • 用于在公共图表上表示多个数据集的用户界面
    • US20050248588A1
    • 2005-11-10
    • US10843545
    • 2004-05-10
    • Kenya FreemanMichael ElgenWilliam Parvin
    • Kenya FreemanMichael ElgenWilliam Parvin
    • G06T11/20
    • G06T11/206
    • A method and user interface are provided for independently and conveniently scaling y-values of multiple data sets whereby the data sets may be plotted against a common y-axis and provide satisfactory variability. A multiplier is selected by which data points in a data set are multiplied, allowing plots of multiple data sets to be graphed against a common range of y-axis values. The initial multiplier may be calculated and selected automatically by the computer on which the graphing is performed or may be manually selected by a user. If the results of the graphing are not satisfactory to the user, the user may change the multiplier for any data set. A spin button may be provided to enable the user to easily increment or decrement a multiplier in predefined steps, such as by factors of 10. Additionally, a computer-generated indicator may be displayed to assist the user in selecting a different multiplier.
    • 提供了一种用于独立且方便地缩放多个数据集的y值的方法和用户界面,从而数据集可以相对于公共的y轴进行绘制并提供令人满意的变化。 选择乘数乘以数据集中的数据点,允许多个数据集的绘图与y轴值的公共范围进行绘图。 初始乘法器可以由执行图形的计算机自动计算和选择,或者可以由用户手动选择。 如果图形的结果对用户不满意,则用户可以改变任何数据集的乘数。 可以提供旋转按钮以使得用户能够容易地以预定步骤(例如10的因子)递增或递减乘法器。另外,可以显示计算机生成的指示符以帮助用户选择不同的乘法器。
    • 62. 发明申请
    • Metadata access during error handling routines
    • 错误处理例程期间的元数据访问
    • US20050193230A1
    • 2005-09-01
    • US10781200
    • 2004-02-17
    • James SpringerYu-Cheng HsuGilad SharabyAaron MaharAngelique Budaya
    • James SpringerYu-Cheng HsuGilad SharabyAaron MaharAngelique Budaya
    • G06F11/00G06F11/14G06F11/20
    • G06F11/1441G06F11/2069
    • A data storage control unit is coupled to one or more host devices and to one or more physical storage units. Data is stored in one of the storage units and, for data integrity, copied to another storage unit. An updated state of the copy process (metadata) is maintained and updated in metadata tracks in a memory of the storage controller and periodically destaged to corresponding metadata tracks of a storage unit. If the copy process is interrupted, such as by a power failure, an error handling routine commences. Track state fields associated with each in-memory metadata track are initialized to an ‘invalid’ state and background staging of metadata tracks from the storage unit to the memory. After a track is staged, the associated track state field is changed to a ‘valid’ state. If a request is received to access a track of copy state data and the track has been staged (as indicated by the state of the associated track state field), the track is accessed. If the requested track has not been staged, requester waits while the requested track is staged; then the requested track is accessed. Once the error handling routine is completed, normal I/O operations with customer data may resume. Preferably, completion of the error handling routine is independent of the completion of the staging of copy state data tracks.
    • 数据存储控制单元耦合到一个或多个主机设备和一个或多个物理存储单元。 数据存储在其中一个存储单元中,为了数据的完整性,数据被复制到另一个存储单元。 复制过程(元数据)的更新状态在存储控制器的存储器中的元数据轨道中被维护和更新,并且周期性地转移到存储单元的相应元数据轨道。 如果复制过程中断,例如电源故障,则会启动错误处理例程。 与每个存储器间元数据轨道相关联的跟踪状态字段被初始化为从存储单元到存储器的元数据轨迹的“无效”状态和背景分段。 在轨道分段后,相关的轨道状态字段将更改为“有效”状态。 如果接收到访问复制状态数据的轨道的请求,并且轨道已经被分段(如由相关联的轨道状态字段的状态所指示的),则该轨道被访问。 如果所请求的轨道尚未分段,则请求者在所请求的轨道分段时等待; 然后访问所请求的轨道。 一旦完成了错误处理程序,可以恢复与客户数据的正常I / O操作。 优选地,错误处理例程的完成与复制状态数据轨道的分段的完成无关。
    • 63. 发明申请
    • Recovering track format information mismatch errors using data reconstruction
    • 使用数据重建恢复轨道格式信息不匹配错误
    • US20050138526A1
    • 2005-06-23
    • US10719213
    • 2003-11-20
    • Colleen StoufferKarl NielsenKenneth ToddDavid Mannenbach
    • Colleen StoufferKarl NielsenKenneth ToddDavid Mannenbach
    • G06K5/04G11B5/00G11B19/04G11B20/20G11B27/00G11B27/11G11B27/36G11C29/00
    • G11B19/04G11B27/002G11B27/11G11B27/36G11B2220/415
    • A method, system, and article of manufacture for recovering from a track format error detected by a host computer associated with a storage controller associated with a storage disk array. The recovery method begins with saving a copy of the track format information associated with the data track that triggered the track format error in a predetermined location. Next, the track format information associated with the data track that caused the error is invalidated and the subject data is restaged. Subsequently, the restaged data is compared to the saved copy of the track format information to determine if the track format error exists with respect to the restaged data. If the track format error is detected with respect to the restaged data, the method further consists of reconstructing the data, preferably by performing a reconstruct read recovery. The reconstructed data is then compared to the saved copy of the track format information to determine if the track format error exists with respect to the reconstructed data. The method is completed by rebuilding the track format information to match the reconstructed data, writing the reconstructed data to the storage disk array, and passing the reconstructed data to the host.
    • 用于从与存储盘阵列相关联的存储控制器相关联的主计算机检测到的轨道格式错误中恢复的方法,系统和制品。 恢复方法开始于保存与在预定位置触发轨道格式错误的数据轨道相关联的轨道格式信息的副本。 接下来,与导致错误的数据轨道相关联的轨道格式信息被无效并且主题数据被重新调用。 随后,将重新分配的数据与保存的轨道格式信息的副本进行比较,以确定相对于重新分配的数据是否存在轨道格式错误。 如果相对于再分页数据检测到轨道格式错误,该方法还包括重建数据,优选地通过执行重构读取恢复。 然后将重建的数据与保存的轨道格式信息的副本进行比较,以确定相对于重构数据是否存在轨道格式错误。 该方法通过重建跟踪格式信息以匹配重构数据,将重建的数据写入存储盘阵列,并将重建的数据传送到主机来完成。
    • 64. 发明申请
    • Concurrent PPRC/FCP and host access to secondary PPRC/FCP device through independent error management
    • 并发PPRC / FCP,并通过独立的错误管理主机访问次级PPRC / FCP设备
    • US20050114740A1
    • 2005-05-26
    • US10719388
    • 2003-11-20
    • Frederick CarberryRufus TwitoJames ChenRichard SchaefferKaukab Uddin
    • Frederick CarberryRufus TwitoJames ChenRichard SchaefferKaukab Uddin
    • G06F3/06G06F11/00H04L29/06
    • G06F3/065G06F3/0617G06F3/067
    • A method of error management in a data storage system having a target device, with the target device receiving commands from a first initiator and the target device concurrently receiving commands from a second initiator. The target device is typically a storage device operating as a PPRC secondary. A first initiator is a device which communicates with the target device through small computer systems interface (SCSI) protocol. The first initiator is typically a host computer or server. The second initiator communicates with the target device through peer-to-peer remote copy PPRC initiator mode commands. The second initiator is typically a separate storage device in a peer-to-peer remote copy (PPRC) relationship with the target device. The method consists of managing errors associated with a command sent to the target device from the first initiator independently from the management of errors associated with a command sent to the target device from the second initiator.
    • 一种具有目标设备的数据存储系统中的错误管理方法,其中目标设备从第一启动器接收命令,并且目标设备同时从第二启动器接收命令。 目标设备通常是作为PPRC辅助设备运行的存储设备。 第一启动器是通过小型计算机系统接口(SCSI)协议与目标设备通信的设备。 第一个启动器通常是主机或服务器。 第二个启动器通过对等远程复制PPRC启动器模式命令与目标设备进行通信。 第二个启动器通常是与目标设备的对等远程复制(PPRC)关系中的单独的存储设备。 该方法包括管理与从第一启动器发送到目标设备的命令相关联的错误,独立于从与第二启动器发送到目标设备的命令相关联的错误的管理。
    • 67. 发明申请
    • Method, system and article of manufacture for recovery from a failure in a cascading PPRC system
    • 用于从级联PPRC系统故障中恢复的方法,系统和制造
    • US20050081091A1
    • 2005-04-14
    • US10674866
    • 2003-09-29
    • Robert BartfaiMichael FactorGail SpearWilliam Micka
    • Robert BartfaiMichael FactorGail SpearWilliam Micka
    • G06F11/00G06F11/20
    • G06F11/2082G06F11/2058G06F11/2071
    • A method of recovery from a data storage system failure in a data storage system having a host computer writing data to a first storage unit with a first storage controller synchronously mirroring the data to a second storage unit, and with a second storage controller asynchronously mirroring the data to a third storage unit. The method begins with the detection of a failure associated with the first storage unit. Upon detection of the error or failure associated with the first storage unit, the synchronous data mirroring relationship between the first storage unit and the second storage unit is terminated and the host is directed to write data updates directly to the second storage unit. Upon correction of the failure associated with the first storage unit, the asynchronous mirroring of data updates from the second storage unit to the third storage unit is suspended and synchronous mirroring of the data updates in a reverse direction, from the second storage unit to the first storage unit, is commenced. When a full duplex state is reached between the first storage unit and the second storage unit, the synchronous PPRC relationship with the first storage volume mirroring data to the second storage volume may be reestablished and host I/O writes to the first storage unit may be resumed.
    • 一种从具有主机的数据存储系统中的数据存储系统故障恢复的方法,所述数据存储系统具有主计算机,用第一存储控制器向第一存储单元写入数据,所述第一存储控制器将所述数据同步地镜像到第二存储单元,并且与第二存储控制器异步镜像 数据到第三存储单元。 该方法开始于检测与第一存储单元相关联的故障。 在检测到与第一存储单元相关联的错误或故障时,第一存储单元和第二存储单元之间的同步数据镜像关系被终止,并且主机将数据更新直接写入第二存储单元。 在校正与第一存储单元相关联的故障时,暂停从第二存储单元到第三存储单元的数据更新的异步镜像,并且数据的同步镜像沿相反方向从第二存储单元更新到第一存储单元 存储单元,开始。 当在第一存储单元和第二存储单元之间达到全双工状态时,可以重新建立与第一存储卷镜像数据到第二存储卷的同步PPRC关系,并且可以向第一存储单元写入主机I / O 恢复。