Proxmox ZFS Storage & Installation Patterns#

What Was Established#

Procedures for managing ZFS rpool on single-disk Proxmox installations, including methods for limiting pool size and troubleshooting import failures.

Key Decisions#

• Single Disk Size Limitation: When installing Proxmox on a large disk but wanting to limit the ZFS pool to a specific size (e.g., 64GB) to leave room for other partitions, use the hdsize parameter in the Proxmox installer’s Advanced Options.
• Custom Partitioning Method: For complex layouts, it is possible to manually partition a drive in Debian and then upgrade the system to Proxmox VE.

Current Configuration#

ZFS Pool Creation (Manual)#

To create a ZFS pool with specific optimizations (ashift=12, compression=lz4) and a size limit: