#vzdump
Every post tagged vzdump.
Blog posts
How to Fix Common Backup Job Failures in Proxmox VE (vzdump and PBS Error Messages Explained)
Your Proxmox backup job just failed and the task log is a wall of red text. Here's what messages like "could not activate storage," "err -5," and "No space left on device" actually mean, and how to fix each one.
How to Move a VM to Another Proxmox VE Server Without a Cluster (Backup and Restore Method)
No cluster? No problem. Here's how to move a virtual machine from one standalone Proxmox VE host to another using vzdump, scp, and qmrestore — no shared storage or cluster join required.
How to Enable Backup Fleecing in Proxmox VE (Stop VM Freezes During Backups)
If a VM freezes or crawls every time its backup job runs, backup fleecing is the fix. Here's what it does, how to turn it on, and the storage requirements that trip people up.
How to Change a VM's VMID in Proxmox VE (Renumber a Virtual Machine or Container Safely)
There's no button to change a VMID in Proxmox VE, but there is a safe workaround. Here's how to renumber a VM or container using a full clone or a backup-and-restore cycle.
How to Set Backup Retention Rules in Proxmox VE (Keep-Last, Keep-Daily, and More Explained)
Proxmox VE keeps every vzdump backup forever unless you tell it otherwise. Here's how to configure keep-last, keep-daily, and the other retention counters on local, NFS, or CIFS backup storage.
How to Reinstall Proxmox VE Without Losing Your VMs and Data (Step-by-Step Guide)
Learn how to safely reinstall Proxmox VE without wiping your VMs. Covers checking your storage layout, backing up configs, reimporting a ZFS pool, and restoring with vzdump.
How to Back Up Proxmox VE to an External USB Hard Drive (Step-by-Step Guide)
No Proxmox Backup Server yet? Learn how to turn a plain USB hard drive into working Proxmox VE backup storage, with scheduled jobs and safe mount settings.
vzdump vs Proxmox Backup Server: Which Backup Method Should You Use in Proxmox VE?
vzdump ships free with every Proxmox VE install, but Proxmox Backup Server adds deduplication and integrity checks on top. Here's a practical, no-hype comparison to help you pick the backup method that actually fits your setup.
How to Backup a Virtual Machine in Proxmox VE (Step-by-Step Guide)
Learn how to back up a virtual machine in Proxmox VE using the web GUI and vzdump, set up a recurring backup job, and restore a VM when something goes wrong.