How to migrate a VM to a smaller disk while preserving all data using Clonezilla, to optimize Linstor DRBD storage usage in a Proxmox cluster.

After choosing LINSTOR DRBD as the distributed storage solution for my Proxmox HA cluster, it was time to move on to deployment automation with OpenTofu (open-source fork of Terraform). Spoiler: it didn't go as planned.

When setting up my high-availability Proxmox cluster, choosing the right distributed storage technology turned out to be a crucial decision. This article presents my analysis approach and the final choice of Linstor DRBD.

Welcome to my technical blog! This space was created to document my research and reflections on various technical challenges.