Data recovery using SnapRestore
- What SnapRestore is
Use the Data ONTAP SnapRestore feature if you want to recover data that is no longer available or if you are testing a volume or file and want to restore that volume or file to pre-test conditions.
- When to use SnapRestore
You use SnapRestore to recover from data corruption. If a primary storage system application corrupts data files in a volume, you can revert the volume or specified files in the volume to a Snapshot copy taken before the data corruption.
- Installing the SnapRestore license
You must purchase and install the license code before you can use it because SnapRestore is a licensed feature.
- Reverting a volume to a selected Snapshot copy
In certain situations, you need to revert a volume to a selected Snapshot copy using SnapRestore.
- Reverting a file to a selected Snapshot copy
Using snap restore to revert a single file to a selected Snapshot copy is practical when the file is so large that you cannot copy the previous file version from the Snapshot copy to the active file system.
- Obtaining correct incremental backups after reversion
All files in a reverted volume have timestamps that are the same as those when the Snapshot copy was created. After a revert operation, incremental backup and restore operations on the file or volume cannot rely on the timestamps to determine what data needs to be backed up or restored.
