REFACTOR(longhorn): migrate longhorn

- to dedicated 50gb disks
- Update defaultDataPath to /mnt/longhorn-storage
- Add Node CRs for all nodes with new disk configuration
- Evict data from old /var/lib/longhorn disks to new disks
- Nodes: mayne-vcn, mayne-worker-1, mayne-worker-2

longhorn/helm-values/longhorn.yaml

@@ -16,7 +16,7 @@ persistence:
 defaultSettings:
   # Storage
   defaultReplicaCount: 3  # Default number of replicas for volumes
-  defaultDataPath: /var/lib/longhorn  # Data storage path on nodes
+  defaultDataPath: /mnt/longhorn-storage  # Data storage path on nodes (NEW: dedicated 50GB disks)
 
   # Backup settings
   backupTarget: ""  # S3/NFS backup target (configure later if needed)

longhorn/kustomization.yaml

@@ -5,3 +5,6 @@ namespace: longhorn-system
 
 resources:
   - ingress/longhorn-ingress.yaml
+  - nodes/mayne-vcn.yaml
+  - nodes/mayne-worker-1.yaml
+  - nodes/mayne-worker-2.yaml

longhorn/nodes/mayne-vcn.yaml

@@ -0,0 +1,21 @@
+apiVersion: longhorn.io/v1beta2
+kind: Node
+metadata:
+  name: mayne-vcn
+  namespace: longhorn-system
+spec:
+  disks:
+    default-disk:
+      allowScheduling: false
+      diskType: filesystem
+      evictionRequested: true
+      path: /var/lib/longhorn
+      storageReserved: 10737418240
+      tags: []
+    new-disk:
+      allowScheduling: true
+      diskType: filesystem
+      evictionRequested: false
+      path: /mnt/longhorn-storage
+      storageReserved: 5368709120
+      tags: []

longhorn/nodes/mayne-worker-1.yaml

@@ -0,0 +1,21 @@
+apiVersion: longhorn.io/v1beta2
+kind: Node
+metadata:
+  name: mayne-worker-1
+  namespace: longhorn-system
+spec:
+  disks:
+    default-disk:
+      allowScheduling: false
+      diskType: filesystem
+      evictionRequested: true
+      path: /var/lib/longhorn
+      storageReserved: 10737418240
+      tags: []
+    new-disk:
+      allowScheduling: true
+      diskType: filesystem
+      evictionRequested: false
+      path: /mnt/longhorn-storage
+      storageReserved: 5368709120
+      tags: []

longhorn/nodes/mayne-worker-2.yaml

@@ -0,0 +1,21 @@
+apiVersion: longhorn.io/v1beta2
+kind: Node
+metadata:
+  name: mayne-worker-2
+  namespace: longhorn-system
+spec:
+  disks:
+    default-disk:
+      allowScheduling: false
+      diskType: filesystem
+      evictionRequested: true
+      path: /var/lib/longhorn
+      storageReserved: 10737418240
+      tags: []
+    new-disk:
+      allowScheduling: true
+      diskType: filesystem
+      evictionRequested: false
+      path: /mnt/longhorn-storage
+      storageReserved: 5368709120
+      tags: []