Add fast storageclass and make it the default

apps/longhorn/app.yaml

@@ -10,5 +10,6 @@ resources:
   - app/crypto-storageclass.yaml
   - app/hddcrypto-storageclass.yaml
   - app/hdd-storageclass.yaml
+  - app/fast-storageclass.yaml
   - app/longhorn-sealedsecret.yaml
   - app/route.yaml

apps/longhorn/app/fast-storageclass.yaml

@@ -0,0 +1,17 @@
+kind: StorageClass
+apiVersion: storage.k8s.io/v1
+metadata:
+  name: longhorn-fast
+  annotations:
+    storageclass.kubernetes.io/is-default-class: "true"
+provisioner: driver.longhorn.io
+allowVolumeExpansion: true
+reclaimPolicy: "Delete"
+volumeBindingMode: Immediate
+parameters:
+  numberOfReplicas: "2"
+  staleReplicaTimeout: "30"
+  diskSelector: ssd
+  fromBackup: ""
+  fsType: "ext4"
+  dataLocality: "disabled"