Backup
If the data on your systems has any value at all, then it is imperative that you employ at least one backup tool. You must not attempt any shortcut methods. The snapshots introduced in Chapter 11, High Availability, do not qualify. Hyper-V Replica, which will be discussed later in this chapter, is insufficient. Investigate and select solutions that involve dedicated backup software packages.
Choosing a backup solution
In order for a backup application to be considered acceptable, it must satisfy all of the following conditions:
- Allows for complete recovery without any source data or equipment:
Complete loss of the source environment is a possibility that must be planned for.
- Allows for partial recovery:
As discussed earlier in this chapter, most data loss is simple user error and does not require an elaborate failover response. Restoring an entire file server is not an appropriate response to the loss of a single file.
- Must be storable offsite:
The major point of backup is making a copy...