HowTo: Proxmox Backup Server — backup incremental si restore

Proxmox Backup Server (PBS) face backup incremental si deduplicat pentru VM-uri si containere, cu verificare de integritate si retentie configurabila. Pas cu pas.

1. Instalare PBS

# pe un Debian dedicat: repo PBS + instalare
echo 'deb http://download.proxmox.com/debian/pbs bookworm pbs-no-subscription' \
  > /etc/apt/sources.list.d/pbs.list
apt update && apt -y install proxmox-backup-server
# UI: https://IP-PBS:8007

2. Datastore

# datastore = locul unde stau backup-urile (dedup + incremental)
proxmox-backup-manager datastore create store1 /mnt/datastore/store1
proxmox-backup-manager datastore list

3. Adauga PBS in Proxmox VE

# pe nodul Proxmox VE: adauga PBS ca storage
# (Datacenter -> Storage -> Add -> Proxmox Backup Server)
# ai nevoie de: server, datastore 'store1', user, si FINGERPRINT-ul PBS:
proxmox-backup-manager cert info | grep Fingerprint

4. Job de backup

# job de backup programat (GUI: Datacenter -> Backup -> Add)
# sau manual pt un VM (VMID 100) catre storage-ul PBS 'pbs':
vzdump 100 --storage pbs --mode snapshot

5. Restore

# listeaza si restaureaza
proxmox-backup-client snapshot list --repository user@pbs@IP:store1
# restore dintr-un snapshot (sau din GUI: Storage pbs -> Backups -> Restore)
qmrestore pbs:backup/vm/100/DATA 100

6. Retentie + verificare

# retentie + garbage collection (elibereaza spatiu)
proxmox-backup-manager prune-group store1 vm/100 \
  --keep-daily 7 --keep-weekly 4 --keep-monthly 6
proxmox-backup-manager garbage-collection start store1
# verificare integritate:
proxmox-backup-manager verify store1

Concluzie

Ai backup incremental, deduplicat si verificat, separat de cluster. Il dimensionam si configuram retentia pentru tine.