You need to move your data offsite for disaster recovery. You can use SnapMirror to mirror your storage system data to a storage system in another location. You can also archive the data to physical media such as tapes and store that media off-site.
| Method to get Exchange data offsite | Advantages | Disadvantages |
|---|---|---|
| Using SnapMirror | Faster than restoring from tape. You can update the destination more frequently than tape, resulting in more current archives. |
Another storage system is required in the remote location. WAN connectivity to the remote location is required. |
| Archiving SnapManager Backups | The required equipment might already be available and in use. | Slower than restoring from a storage system. |