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What Is RAID and How Does It Protect Your Data? Plus Comparing All RAID Levels

3/23/2026

What Is RAID and How Does It Protect Your Data? Plus Comparing All RAID Levels

RAID can improve uptime, performance, and fault tolerance, but it doesn't magically make data safe from every kind of loss. Here's what RAID actually does, how each RAID level works, and where ZFS, software RAID, and hardware RAID fit in.

#RAID#RAID Levels#Data Redundancy#Data Protection#Software RAID#Hardware RAID#ZFS#Storage#Servers#Backups