Hi Wanja, Can you give this patch a try? https://github.com/LINBIT/linstor-proxmox/commit/896242ec8a848c146d372aaf0d4c83b805a16d3b It is part of (and the only commit on top of master) on this branch: https://github.com/LINBIT/linstor-proxmox/compare/rck/2nodecluster Testing/OKs would help. Thanks, rck