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Backup techniques

Published on Nov 18, 2015

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PRESENTATION OUTLINE

1.

Backup techniques

  • Definition: Copying and archiving to restore in the event of data loss
  • Full backup, then incremental backup to save bandwidth
  • Concurrent backup = multiple versions of the backup
  • Compression saves bandwidth and storage space
Photo by FutUndBeidl
2.

Backup techniques

  • On-site backup, unsafe - risk of theft and fire
  • Off-site backup, unsafe - online theft/hacking, requires bandwidth
  • Off-site was tape or disk by courier - now it is nearly all online
  • Solution for "Disaster Recovery" - theft of equipment, hard drive death
  • natural disaster (flooding), terrorist acts, war.

Ant N

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