Comparing VVR snapshot methods based on different features
Table: Comparison of snapshot methods provides a comparison of the different snapshot methods by feature.
Table: Comparison of snapshot methods
|
Snapshot Features
|
Traditional Snapshot |
Instant Full Snapshot |
Instant Space-Optimized Snapshot |
Instant Plex Breakoff Snapshot |
|
Requires full storage
|
Yes
|
Yes
|
No
|
Yes
|
|
Requires initialize synchronizing of plexes
|
Yes
|
No
|
No
|
Yes
|
|
Allows snapshots plexes to be reattached (snapback) to the source volume
|
Yes
|
Yes
|
No
|
Yes
|
|
Snapshots can be refreshed
|
No
|
Yes
|
Yes
|
Yes
|
|
Snapshot volumes can be moved into a separate disk group
|
Yes
|
Yes
|
No
|
Yes
|
|
Can be used to restore an RVG to an earlier stable state
|
No
|
Yes
|
Yes
|
Yes
|
|
Can be used as independent volumes
|
Yes
|
Yes
|
No
|
Yes
|
|
Background synchronization
|
No
|
Yes
|
No
|
No
|
