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[ The PC Guide | System Care Guide | Backups and Disaster Recovery | Backup Methods, Devices and Media ]

Comparison of Backup Method Data Risk Coverage

Some of the backup methods and devices described in this section do a much better job than others of protecting against the risks to your data. The table below shows a general summary of how the various methods stack up in terms of protecting you from the hazards that threaten your valuable data. Remember that this is just a general guideline; also remember that some of these risks are much more common than others are, depending on how you use your PC:

Data Risk

Floppy Disks

Tape Drives

Removable Storage Drives

Removable Hard Disks

In-Place Hard Disk Duplication

Network Backup

File Archiving

Hardware Failure

High

High

Moderate to High

Moderate to High

Moderate

High

Low

Software Failure

High

High

High

High

Moderate

High

Low

File System Corruption

High

High

High

High

Low to Moderate

Moderate to High

Moderate

Accidental Deletion

High

High

High

High

High

High

High

Virus Infection

Moderate

High

Moderate to High

Moderate

Low

Moderate to High

Low to Moderate

Theft

High

High

High

Moderate to High

None

Low to Moderate

None

Sabotage

High

High

High

High

Very Low

Low

None

Natural Disaster

High

High

High

High

None

Low to Moderate

None

Note: For removable media, the ratings assume proper storage of backup media (i.e., not leaving the tapes sitting on top of the PC box.)

Note: For a more complete picture on how the various methods stack up, make sure to check out the comparison of characteristics as well.

Next: Comparison of Backup Method Characteristics


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