Added step to remove default local-lvm

ansible/roles/proxmox_storage/tasks/main.yml

@@ -9,6 +9,24 @@
     mode: '0600'
   when: inventory_hostname == groups['proxmox'][0]
 
+- name: Prevent Split-Brain by removing default local-lvm if managed by Linstor
+  ansible.builtin.shell: |
+    set -o pipefail
+    # Check if local-lvm is currently registered in Proxmox
+    if pvesm status | grep -q "^local-lvm "; then
+      pvesm remove local-lvm
+      echo "changed"
+    fi
+  args:
+    executable: /bin/bash
+  register: proxmox_storage_remove_local_lvm
+  changed_when: "'changed' in proxmox_storage_remove_local_lvm.stdout"
+  loop: "{{ linstor_storage_pools }}"
+  # Only run on Node 1, and ONLY if the loop detects the usage of the pve/data pool
+  when:
+    - inventory_hostname == groups['proxmox'][0]
+    - (item.vg_name == 'pve' and item.thin_name == 'data') or ('pve/data' in item.targets.values())
+
 - name: Register LINSTOR resource groups in Proxmox GUI (pvesm)
   ansible.builtin.shell: |
     set -o pipefail