Computer Science · Data Storage
What is a defining characteristic of a 'Copy-on-Write' (CoW) snapshot in enterprise storage?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It is primarily used for long-term archival and disaster recovery.
- 2It creates a full, independent copy of the entire dataset.
- 3It only stores pointers to data blocks until those blocks are modified.✓
- 4It immediately duplicates all data blocks upon creation.
Correct answer
It only stores pointers to data blocks until those blocks are modified.
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