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docs/hardware/nas-systems.md

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+# 🗄️ NAS Systems
+
+*Network Attached Storage systems in the homelab infrastructure*
+
+## Overview
+Comprehensive documentation of NAS systems providing centralized storage, backup, and media services.
+
+## Primary NAS Systems
+
+### Atlantis (Synology DS1821+)
+- **Model**: Synology DS1821+ 8-bay NAS
+- **Storage**: 8x 14TB WD Red Pro drives (RAID 6)
+- **Total Capacity**: ~84TB usable storage
+- **Role**: Primary storage, media library, backup target
+- **Services**: Docker containers, media streaming, file sharing
+
+**Key Features**:
+- Hardware transcoding support
+- 10GbE networking capability
+- ECC RAM support
+- Hot-swappable drives
+
+### Calypso (Secondary NAS)
+- **Model**: Custom built NAS server
+- **Storage**: Multiple drive configuration
+- **Role**: Secondary storage, development environment
+- **Services**: Development containers, testing environment
+
+## Storage Architecture
+
+### RAID Configuration
+- **RAID 6**: Primary configuration for fault tolerance
+- **Hot Spares**: Available for automatic rebuild
+- **Scrubbing**: Regular data integrity checks
+
+### Network Storage Protocols
+- **SMB/CIFS**: Windows file sharing
+- **NFS**: Unix/Linux file sharing
+- **iSCSI**: Block-level storage
+- **FTP/SFTP**: File transfer protocols
+
+## Backup Strategy
+
+### Local Backups
+- **Snapshot replication** between NAS systems
+- **Incremental backups** for changed data
+- **Version control** for critical files
+
+### Cloud Backups
+- **Encrypted cloud storage** for critical data
+- **Automated sync** for important documents
+- **Disaster recovery** procedures
+
+## Monitoring & Maintenance
+
+### Health Monitoring
+- **SMART data** monitoring for drive health
+- **Temperature monitoring** for thermal management
+- **Performance metrics** for optimization
+
+### Maintenance Schedule
+- **Monthly**: Drive health checks
+- **Quarterly**: Firmware updates
+- **Annually**: Physical cleaning and inspection
+
+## Integration
+
+### Container Orchestration
+- **Portainer stacks** deployed on NAS systems
+- **Docker volumes** for persistent storage
+- **Network shares** for container data
+
+### Media Services
+- **Plex Media Server** for streaming
+- **Arr suite** for media management
+- **Backup services** for data protection
+
+---
+**Status**: ✅ All NAS systems operational with full redundancy