Recovery

Recovery

1. What needs to be considered

   • what
   • When
     • back up log
     • Frequency
     • Time
   • How
     • Full back up
       • Full image of system is copied
     • Differential back up
       • files updated after full back up
     • Incremental Back up
       • only files that have changed since last back up
     • Online back up
       • large systems that hold vast data
     • remote back up
       • Transfusing files to a remote site
   • What media
     • factors
       • Seriousness of consequences
       • Volume of Data
       • Speed at which data is changing
       • Cost of methods
     • backing up small quantities
       • CD-R / CD-RW
       • Memory stick
       • External hard drive
       • Mirrored hard drive
       • Internet
       • DVD-RAM
   • Whose responsibility
     • specific employee
     • recovery procedures
     • checks are made to ensure
       • corrupted and lost data can be restored
       • Backup measures work
       • recording and playback material is compatible