The problem
RAID protects availability against some disk failures but does not protect against deletion, ransomware or many logical failures.
Recommended approach
Use RAID for storage resilience and a separate backup system for recovery.
Step-by-step checklist
- Define critical NAS data.
- Use RAID appropriate to the workload.
- Schedule independent backups.
- Keep an offsite or offline copy where practical.
- Test restore procedures.
MY WAY IT SERVICES
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