This post is an introduction to data backup.
Types of Data Backup
Types of Data Backup:
- Full
- Differential
- Incremental
Full backup means that an exact copy of the original media is done.
Differential backup means that only registries that have been modified since the last full backup is done.
Incremental means that only registries that have been modified since the last full backup or incremental backup is done.
A grandfather-father-son (GFS) backup involves different backups:
- Grandfather: full backup, probably in a remote site
- Father: full backup, probably faster and to a local site
- Son: incremental backup to the same storage as the father
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External References
- Handybackup; “Grandfather Father Son Backup Scheme“; Handybackup