In this information technology era everybody will have heart the term “Data Backup”. The backup of any data is not any thing it is the copy of the original data that will be used to recover the data back when corruption is made. Data loss is the very common problem in this technical age. According the survey 66% of internet users have suffered for the data loss situation.
There are many types of data backup on the basis of their uses, details contain, size and many more. Some of them are given below:
- Unstructured Backup
- Full backup
- Differential Backup
- Reverse Delta Backup
- Full System Backup
Choosing backup type is totally depends upon the user, he/she will decide which backup is the best backup for his/her data. Unstructured backup does not recover complete data because it has very small details. Full system backup is the best backup to restore the complete data because it contains all information related to the data. It is very costly in comparison of any data backup.
Different types of storage media are available to store the data backup. These storage medias are used when the data gets corrupted by the any of reasons like virus attack, hardware problem, suddenly system shutdown, errors which storing the data and many more. Some of the popular storage media is given below:
- Magnetic Tape
- Hard Disk (Hard Disk Recovery)
- Optical Storage
- Floppy Disk
- Solid State Storage
Magnetic Tape: It is mostly used for interchange the data, data storage and archiving. The main feature is it store data for the decade in comparison of others.
Hard Disk: The main advantage of hard disk is low access time. It is easily available and cheaper. Day by day the capacity versus price ratio is improving.
Optical Disk: Some optical storage media allows for cataloged data backup without any human contact with the disk. It allows longer data integrity.
Floppy Disk: It is used in the 1980 and early 1990s. Due to limited storage capacity it is used by the personal computer users. It is not more popular in comparison of others to store data.
Solid State Storage: It is also known as USB flash drives, thumb drives, flash memory and secure digital cards and many more. These devices are very costly in comparison of the other storage media.
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