Comprehensive backup and disaster recovery procedures for protecting critical business systems.

Backup Strategy Overview

The 3-2-1 Backup Rule

3 copies of your data 2 different media types 1 copy offsite

Example implementation:

  • Production data (primary)
  • Local backup (NAS/disk)
  • Cloud backup (offsite)

Backup Classifications

Tier 1 - Critical (RPO: 1 hour, RTO: 4 hours)

  • Domain controllers
  • Database servers
  • Email servers
  • Core business applications

Tier 2 - Important (RPO: 24 hours, RTO: 8 hours)

  • File servers
  • Departmental applications
  • Web servers

Tier 3 - Standard (RPO: 7 days, RTO: 24 hours)

  • Archive data
  • Test/dev environments
  • Non-critical systems

[The full content continues with all backup types, schedules, technologies, verification procedures, disaster recovery procedures, retention policies, security measures, automation scripts, and checklists from the original file]

Additional Resources