11.1. Disaster Categories
Disaster solutions fall into two categories:
Maintaining or restoring a service
Protecting or restoring lost, corrupted, or deleted information
Each category has its place in guarding your assets, and no disaster solution is complete unless it contains elements from both categories.
For example, let's say you have two hard drives mirrored together installed in a server. Mirroring ensures that both disks always contain exactly the same information. When mirroring is used, a single hard drive failure will not bring down the entire server. The remaining hard drive can continue to provide file storage and give users access to previously saved information. Mirroring is considered a disaster recovery service solution because ...
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