redundancy

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Across
  1. 3. -you can use for a back up
  2. 5. -you cant get it back
  3. 6. -incase something crashes
  4. 9. -to keep multiple copies of a few things
Down
  1. 1. -a type of back up
  2. 2. -e.g. a backup operating system
  3. 4. -a 1st version
  4. 7. -e.g. storing copies of duplicate data
  5. 8. -e.g. reserve storage drives and servers