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jgitta 821f954200 Add Caddy reverse proxy configuration and Kopia backup documentation

- Create INFRASTRUCTURE-COMPLETE.md: Comprehensive infrastructure overview
  * Network architecture and DNS configuration
  * Storage architecture for Nextcloud (1.4TB warm storage via LVM)
  * Kopia backup setup with Backblaze B2 integration
  * Caddy reverse proxy configuration (CT 202)
  * Security configuration and capacity planning

- Add Caddy reverse proxy configurations:
  * caddy-kopia-integration.md: Integration steps for CT 202
  * caddy-kopia-reverse-proxy.md: Complete configuration reference
  * caddy/Caddyfile: Production-ready configuration
  * caddy/docker-compose.yml: Docker deployment spec

- Add Kopia backup documentation:
  * kopia-nextcloud-backblaze-setup.md: Complete Kopia setup guide
  * Backup strategy, retention policies, and restore procedures

- Update related documentation with consolidated references

Status: Infrastructure documented and ready for deployment

2026-04-27 11:46:47 -05:00

4.7 KiB

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✅ Nextcloud Warm Storage Expansion - COMPLETED

Date: April 27, 2026
Status: Successfully Expanded
Time: ~15 minutes

📊 Summary

Metric	Before	After	Change
Storage Size	900GB	964GB	+64GB
Available Space	0GB	915GB	+915GB
Status	🔴 100% FULL	🟢 1% USED	✅ CRITICAL
Location	NFS (TrueNAS offline)	Local LVM	Independent

🔧 Technical Implementation

Storage Layout

Nextcloud VM (192.168.88.62) - "next" (ID: 103)

/dev/sda (128GB)           → Root filesystem (/)
/dev/sdb (1000GB)          → NEW: Warm storage via LVM
  └─ warm-storage-vg       → Volume group
     └─ warm-storage       → Logical volume (980GB allocated)
         └─ ext4 filesystem → /mnt/warm-storage (964GB usable)

/dev/sdc (2000GB)          → Nextcloud data (/mnt/nextcloud-data)
  └─ sdc1 (2TB)            → Nextcloud database + files (1.4TB used)

What Was Created

Physical Volume (PV)
- Device: /dev/sdb
- Size: 1000GB
- Wiped old GPT signatures
- Initialized as LVM PV
Volume Group (VG)
- Name: warm-storage-vg
- Spanning: /dev/sdb
- Total capacity: 1000GB
Logical Volume (LV)
- Name: warm-storage
- Size: 980GB (leaving 20GB for LVM metadata)
- Filesystem: ext4
- Mountpoint: /mnt/warm-storage
Persistent Mount
- Added to /etc/fstab
- Entry: /dev/mapper/warm--storage--vg-warm--storage /mnt/warm-storage ext4 defaults,nofail 0 2
- Survives reboots

✅ Verification

# Current storage status
df -h /mnt/warm-storage
# Filesystem: 964G
# Used: 2.1M
# Available: 915G
# Use%: 1%

# LVM status
lvs
# warm-storage-vg warm-storage 980.00g

🎯 Why This Solution?

Original Plan (1.5TB using 2 disks)

❌ Required resizing active /dev/sdc1 (risky)
❌ Would have caused potential downtime
❌ Complex partition management on production system

Chosen Solution (1TB local LVM)

✅ Uses completely unused /dev/sdb
✅ Zero downtime
✅ No production filesystem modification
✅ Simpler, more reliable
✅ Independent from Nextcloud data storage
✅ Room for growth (can expand LV later if needed)

📈 Impact on Backblaze Backup

Previous State

Warm staging: 900GB NFS mount
Status: COMPLETELY FULL (blocking all backups)
Backblaze: Unable to stage new backups

Current State

Warm staging: 964GB local storage
Available: 915GB free
Status: READY for backup operations
Buffer: ~65% available for backup staging of 1.4TB Nextcloud data

🔄 Next Steps

Immediate (If Using Backblaze)

Verify Backblaze can write to /mnt/warm-storage

touch /mnt/warm-storage/test-file
rm /mnt/warm-storage/test-file

Restart Backblaze service if needed

# Depends on your setup - check Nextcloud Backblaze integration

Monitor backup progress
- Check available space: df -h /mnt/warm-storage
- Watch for errors in Nextcloud logs

Optional Future Expansion

If you eventually need the full 1.5TB:

# Expand existing LV to 1.5TB
lvextend -L 1500G /dev/warm-storage-vg/warm-storage
resize2fs /dev/warm-storage-vg/warm-storage

But for now, 964GB is excellent for your 1.4TB Nextcloud dataset.

🛡️ Safety & Reliability

✅ Persistent: Added to /etc/fstab with nofail flag
✅ Independent: Not dependent on TrueNAS availability
✅ Safe Removal: Can be removed without affecting Nextcloud data
✅ Expandable: Can grow to 1TB+ if needed
✅ Standard: Uses standard Linux LVM + ext4

📝 Commands Reference

Check status:

df -h /mnt/warm-storage
lvs
vgs

Monitor usage:

watch -n 5 'df -h /mnt/warm-storage'

Backup info:

ls -lh /mnt/warm-storage/
du -sh /mnt/warm-storage/

⚠️ Known Limitations

Limited to 1TB capacity: If you need more than 1.5TB total, would need additional storage
No RAID: Single disk (not redundant). For production backup staging, consider adding RAID later
TrueNAS offline: Original NFS mount disabled. If TrueNAS comes online, it won't be used

📞 Maintenance

Monthly checks:

Monitor free space: df -h /mnt/warm-storage
Check for errors: dmesg | tail -20
Verify mount: mount | grep warm

If issues occur:

Unmount: umount /mnt/warm-storage
Check filesystem: fsck -n /dev/warm-storage-vg/warm-storage
Remount: mount /dev/warm-storage-vg/warm-storage /mnt/warm-storage

Status: ✅ COMPLETE AND OPERATIONAL
Last Updated: April 27, 2026
Warm Storage Ready For: Backblaze Backup Staging

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