Setting an adequate size for the snapshot cache
The cache must be sized appropriately in either of the following cases:
If a lot of write activity is expected in the source data during the life of the copy-on-write snapshot.
If you expect to restore large amounts of data from an Instant Recovery snapshot.
To set an adequate size for the snapshot cache
- Use the following formula:
For raw partitions: | Cache size = volume size * the number of retained snapshots |
For file systems: | Cache size = (consumed space * the number of retained snapshots) + approximately 2% to 5% of the consumed space in the file system Note:
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