Backup Retention Policy

1. Situation in a normal company

1.1. They start saving the backups weekly

1.2. After a month they start saving the backups monthly

1.3. After a year working with the backups they will do it yearly

1.3.1. WHY??

1.3.1.1. Because backups are expensive!!

2. Incremental/Full backup

2.1. Incremental => it only makes a backup from the things that you changed

2.2. Full => it makes a backup of everything

3. How long you should keep a backup

4. Different frequencies

4.1. Daily

4.2. Weekly

4.3. Monthly

4.4. Quarterly

4.5. Yearly