Emergency Rollback Procedures

Brief description: Procedures for emergency recovery and rollback.

VM Rollback

From Proxmox:

1. Select VM
2. Go to Snapshots
3. Select snapshot to restore
4. Click Rollback
5. Confirm

ZFS Rollback

# List snapshots
zfs list -t snapshot

# Rollback to specific snapshot
zfs rollback rpool/vm-101-disk-0@snapshot-name

Service Recovery

Rocket.Chat

ssh admin@192.168.192.101
sudo snap restart rocketchat

Nextcloud

sudo snap restart nextcloud

Keycloak

sudo systemctl restart keycloak

Full System Recovery

1. Boot from rescue mode
2. Restore from backup:

   gunzip -c vm-101-backup.gz | zfs receive rpool/vm-101-disk-0
   

Verification

• [ ] Rollback procedures tested
• [ ] Snapshot restore tested
• [ ] Backup restoration verified