Storage
-
Proxmox Snapshots: How They Work and When to Use
How Proxmox VE snapshots work on each storage type, what the vmstate option really saves, why rollback is one-way, and when a snapshot is not a safety net.
-
Proxmox Ceph vs ZFS Replication: When Ceph Is Worth It
When Ceph beats ZFS replication on Proxmox VE, the real node and network minimums, the hardware that actually works, and the operational cost you take on.
-
Proxmox Troubleshooting: Fix Quorum, Storage & VM Errors
Fix Proxmox VE subscription-repository errors, full root storage, lost cluster quorum, and VMs or containers that fail to start after an upgrade.
-
Proxmox ZFS Storage: Pools, Zvols, volblocksize, ARC
How to run Proxmox VE on ZFS: root-on-ZFS layout, zvol-backed VM disks, why volblocksize is set once, and sizing ARC when guests need the RAM.