Protecting data
As being the main person responsible for the recovery and availability of the data, you need to have a full understanding of how to protect your data against all possible situations you could come across in your daily job. The most common situations you could see are:
- Media failure
- Hardware failure
- Human error
- Application error
Let's take a closer look at each of these situations.
Media failure
Media failure occurs when a system is unable to write or read from a physical storage device such a disk or a tape due to a defect on the recording surface. This kind of failure can be easily overcome by ensuring that your data is saved on more than one disk (mirrored) using a solution such as RAID (Redundant Array of Independent Disks) or ASM ...
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