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Disaster Recovery

Requirements

  • Tier 0 - No off-site data
  • Tier 1 - Data backup with no Hot Site
  • Tier 2 - Data backup with a Hot Site
  • Tier 3 - Electronic vaulting
  • Tier 4 - Point-in-time copies
  • Tier 5 - Transaction integrity
  • Tier 6 - Zero or little data loss
  • Tier 7 - Highly automated, business-integrated solution

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