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公开(公告)号：US20200310922A1
公开(公告)日：2020-10-01
申请号：US16370424
申请日：2019-03-29
IPC分类号： G06F11/14 , G06F16/182 , G06F21/56
摘要： A computer-implemented method, according to one embodiment, is for restoring operation of a data storage system at a disaster recovery site. The computer-implemented method includes: in response to a disaster event occurring at a primary site, receiving an inode list from a cloud storage site, and receiving configuration information from the cloud storage site. The cloud storage site includes a backup copy of data that is stored at the primary site. Moreover, the inode list and the configuration information are used to construct a filesystem at the disaster recovery site. The filesystem at the disaster recovery site does not include a copy of the data that is stored at the primary site, but rather the filesystem includes a plurality of metadata stubs. The filesystem is further used to satisfy I/O commands that are received.
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公开(公告)号：US11768740B2
公开(公告)日：2023-09-26
申请号：US16370424
申请日：2019-03-29
IPC分类号： G06F11/00 , G06F11/14 , G06F16/182 , G06F21/56
CPC分类号： G06F11/1469 , G06F16/182 , G06F21/566 , G06F2201/80 , G06F2201/82 , G06F2221/034
摘要： A computer-implemented method, according to one embodiment, is for restoring operation of a data storage system at a disaster recovery site. The computer-implemented method includes: in response to a disaster event occurring at a primary site, receiving an inode list from a cloud storage site, and receiving configuration information from the cloud storage site. The cloud storage site includes a backup copy of data that is stored at the primary site. Moreover, the inode list and the configuration information are used to construct a filesystem at the disaster recovery site. The filesystem at the disaster recovery site does not include a copy of the data that is stored at the primary site, but rather the filesystem includes a plurality of metadata stubs. The filesystem is further used to satisfy I/O commands that are received.
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