Data loss

We invest a lot of money in implementing IT in organizations.The most valuable thing in the IT department of a company is not the big  servers or workstations.It is the data.We will realise the importance of our data  the moment we loose it.
How to prevent loss of ur precious data?
Data loss can occur due to
1. Viruses
2. Power failures
3. Accidental formatting
4. Accidental deletion
5.Improper shutdown
6.Hard disk failures
7.Theft
8.Sabotage

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Even though there are  advanced data recovery tools available,designing a good backup mechanism is the real solution.
In subsequent posts i will try to share my experiences.