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Snapshot features can be widely used in scenarios such as rapid data backup and recovery, continuous data protection, and redefining data usage.
Scenarios
Storage Based Snapshot
Disk Based Snapshot
Implementation Method
ROW
COW
Reading from Source Volume
Read performance may be affected
Read performance is not affected
Writing to Source Volume
Write performance is not affected
Write performance is affected
Application Scenario
Scenarios with more than 3 hosts and aSAN deployed
Scenarios with external storage deployed