Zusammenfassung der Ressource
AS IT INFO 2 - Backup and Recovery
- Types
- Full
- Whole system
is saved
- Differential
- Data changed
since the last full
backup is saved
- Incremental
- Data changed since the last
backup was saved, whether that
is full, differential or incremental
- Procedures
- Individual
- Memory stick every few months
- Small business
- Hard disk at end of the week
- Medium business
- Magnetic tape every night
- Large business
- Hard disk live (writing to several disks concurrently)
- Recovery procedures if
you will need to ensure
restoration of data
- Alternative accomodation
- Availability of staff
at short notice to help
recover backups
- Availability of replacement hardware
to load the backup data onto
- Availability of alternative communication
lines for network/ Internet
- Training of staff to instruct them how
to get things back to normal again
- Testing of recovery procedures
- Storage media used
- Memory Stick
- Optical Disks,
e.g. CD-RW
- Magnetic Tape
- RAID (Redundant Array
of Inexpensive disks)