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    • 7. 发明申请
    • REMOTE DISASTER DATA RECOVERY SYSTEM AND METHOD
    • 远程灾难数据恢复系统及方法
    • WO2004090676A3
    • 2005-03-24
    • PCT/US2004010668
    • 2004-04-05
    • COMMVAULT SYSTEMS INC
    • PRAHLAD ANANDNGO DAVIDLUNDE NORMAN RZHOU LIXINKUMAR AVINASHMAY ANDREAS
    • G06F20060101G06F11/00G06F17/30
    • G06F11/1456G06F11/1458G06F11/1464
    • The present invention provides computer systems, methods, and software products enabling the creation and maintenance of disaster recovery volumes having a reduced impact with regard to network traffic over a communications network. A disaster recovery volume is generally created at a local archival storage unit including therein at least one storage medium constituting the disaster recovery volume (124). The medium constituting the disaster recovery volume is associated with the primary volume thereby allowing the storage medium constituting the disaster recovery volume to be relocated to a remote archival storage unit at a remote location (126) without compromising the association between the primary volume and the disaster recovery volume. Incremental changes to the primary volume (114) may then be communicated and incorporated in to the disaster recovery relocated to the remote location.
    • 本发明提供计算机系统,方法和软件产品,其能够创建和维护具有通过通信网络的网络流量影响减小的灾难恢复量。 灾难恢复卷通常在本地存档单元中创建,其中包括构成灾难恢复卷(124)的至少一个存储介质。 构成灾难恢复卷的介质与主卷相关联,从而允许构成灾难恢复卷的存储介质被重新定位到远程档位存储单元(126),而不会影响主卷与灾难之间的关联 恢复量。 然后可以传递对主卷(114)的增量更改,并将其并入到重定位到远程位置的灾难恢复中。