Is a
Patent attributes
Patent Applicant
Patent Jurisdiction
Patent Number
Date of Patent
February 15, 2022
Patent Application Number
16050676
Date Filed
July 31, 2018
Patent Citations
...
Patent Primary Examiner
Patent abstract
Copy-on-Write (CoW) snapshots share data on disk for extents that have not been overwritten, which allows for efficient use of disk space. A chain of snapshots may be created, where each snapshot corresponds to a point in time. A sequence of snapshots may be copied by rebuilding each snapshot for the destination volume based on the source volume, resulting in memory usage at the destination volume substantially similar to the memory usage of the snapshot sequence at the source volume.
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