System Backups

What are backups?

Why are backups needed, what needs to be backed up?

Types of backups

Full Backups

 

Incremental Backups

 

 

 

Backup Locations

Onsite Backups

 

Offside Backups

Backup Media

HDD Backups

  • ┬áVery fast and convenient to backup
  • Can be Automated with little external input / monitoring

DVD Backup

  • Cheaper than HDD Backup
  • DVDs can be easily and cheaply posted to a secure off-site location
  • DVD Backup is not as reliable as HDD backup

Tape Drive Backups

  • Vastly cheaper than HDD or DVD Backup
  • Data can only be accessed sequentially (because it is a tape) which means very slow restoration rate if needed.