An effective Automated Backup Checklist for IT Professionals requires moving beyond simple “set-and-forget” schedules to build a resilient, multi-tiered infrastructure capable of defending against system failures, hardware damage, and ransomware. 1. Strategy & Architecture
Apply the 3-2-1-1-0 Rule: Keep 3 copies of data, across 2 different storage media types, with 1 copy stored offsite, 1 copy air-gapped or immutable, and 0 errors after automated testing verification.
Define RPO & RTO: Document distinct Recovery Point Objectives (acceptable data loss window) and Recovery Time Objectives (acceptable downtime duration) for every application tier.
Differentiate Backup Tiers: Position high-speed local snapshots for rapid day-to-day restoration alongside automated, low-cost cloud archives for long-term retention.
Enforce Immutability: Configure Write-Once-Read-Many (WORM) storage or object locking to prevent malicious modification or deletion by ransomware threat actors. 2. Scope & Data Discovery The Ultimate Backup Checklist – Lithium Systems
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