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    • 5. 发明申请
    • CONTROL METHOD OF VIRTUAL VOLUMES AND STORAGE APPARATUS
    • 虚拟卷和存储设备的控制方法
    • US20120131302A1
    • 2012-05-24
    • US12811328
    • 2010-02-18
    • Hiroshi NasuHirokazu IkedaYoshiaki EguchiToshimichi Kishimoto
    • Hiroshi NasuHirokazu IkedaYoshiaki EguchiToshimichi Kishimoto
    • G06F12/02G06F12/10
    • G06F3/0665G06F3/0604G06F3/0685
    • Multiple types of storage devices which have different performance are appropriately allocated to multiple virtual volumes in accordance with the performance requirements of the respective virtual volumes. In cases where, among virtual volumes 82 for which response times have been specified, there is a [virtual volume] that has a shortage of pages to which SSDs 70 should be allocated and that does not satisfy the performance requirement when its Tier boundary value β is adjusted to Tier boundary value β′ and, if unallocated pages as the pages to which SSDs 70 should be allocated do not exist, Tier boundary value γ or Tier boundary value α of another virtual volume is adjusted to Tier boundary value γ′ or the Tier boundary value α′, and pages to which SSDs 70 are allocated are secured in the virtual volume 82 for which the Tier boundary value has been adjusted.
    • 根据各个虚拟卷的性能要求,具有不同性能的多种类型的存储设备被适当地分配给多个虚拟卷。 在已经指定了响应时间的虚拟卷82中,存在一个[虚拟卷],其中SSD 70应该被分配的页面不足,并且当它的层边界值&bgr不满足性能要求的情况下 ; 被调整为层边界值&bgr;',如果不存在要分配SSD 70的页面的未分配页面,则另一虚拟卷的层边界值γ或层边界值α被调整为层边界值γ'或 层边界值α'和分配了SSD 70的页面被固定在已经调整了层边界值的虚拟卷82中。
    • 7. 发明授权
    • Restore method for backup
    • 恢复备份方法
    • US07107486B2
    • 2006-09-12
    • US10866865
    • 2004-06-15
    • Wataru OkadaHirokazu IkedaMasahide Sato
    • Wataru OkadaHirokazu IkedaMasahide Sato
    • G06F11/00
    • G06F11/1451G06F11/1469
    • To provide a storage management device capable of performing restore at a high speed. In the storage management device that manages backup and restore of data stored in a storage device, a temporary restored image is created by applying each required delta image to the full backup image, a reverse delta image before the application of the applied delta image is created, and a number of delta application blocks concerning the applied delta image is recorded as cost information of applying delta. The delta backup restore unit determines a restore method by comparing a number of blocks, which is changed when restore is performed by applying each piece of the reverse delta image, with a number of blocks, which is changed when the restore is performed by applying each delta image, with reference to the cost information of applying delta.
    • 提供能够高速执行恢复的存储管理装置。 在管理存储在存储设备中的数据的备份和还原的存储管理设备中,通过将每个所需的增量映像应用于完整备份映像,创建应用的增量映像应用之前的反向增量映像来创建临时还原映像 ,并且关于应用的增量图像的多个增量应用块被记录为应用增量的成本信息。 增量备份恢复单元通过将多个块进行比较来确定还原方法,所述多个块通过应用每一片反向增量图像而执行恢复时被修改,并且通过应用每个块来执行恢复 delta图像,参考应用delta的成本信息。