Backup and Recovery

Backup and Recovery

1. Why are back ups needed?

   • Loss of records leads to loss of contact with customers
   • Customers will lose interests in businesses if they don't have backups
   • Loss of records means orders are not completed

2. Threats to an ICT system

   • Deliberate/accidental damage
   • Theft/hacking/fire
   • Viruses
   • Software bugs
   • Power cuts
   • Software Failure

3. Backup strategies

   • Frequency of backup
   • Volume to backup
   • Storage medium
   • Where will it be stored
   • Personal responsibility
   • Login backups
   • Testing of backup data

4. HW for backups

   • Hard drive
   • Memory stick
   • Zip disk
   • CD-ROM
   • Magnetic Tape
   • DVD-RW

5. Backup Methods

   • Full
   • Incremental
   • Remote
   • RAID
   • Grandfather-father-son