Recover important and valuable data Incredibly important Many different implementations - Backups, Backup everything This is usually the longest backup process  - Full Backup, I A full backup is taken first These are usually smaller than the full backup A restoration requires the full backup - Incremental Backup, S Create a full backup Without actually performing a full backup The first full backup copies every file Can be faster and less bandwidth intensive - Synthetic backup, You have to be able to restore Restore from backup Confirm the restoration Perform periodic audits - Backup testing, Twelve monthly full backups Four (or five) weekly full backups Thirty-one daily incremental or differential backups   - Grandfather-father-son (GFS), 3 copies of data should always be available 2 different types of media should be used 1 copy of the backup should be offsite  - 3-2-1 backup rule,

a+1102 4.3 - Managing Backups (continued)

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