Update longhorn-manager and UI

Match longhorn-manager: 7db0d8bd7a69bdfc0bf1a299f3929448aff977d3

Mostly bug fixes and clean up.

deploy/example.yaml

@@ -155,7 +155,7 @@ spec:
           mountPath: /data/
       containers:
       - name: longhorn-manager
-        image: rancher/longhorn-manager:aa8b454
+        image: rancher/longhorn-manager:2b34b4e
         imagePullPolicy: Always
         securityContext:
           privileged: true
@@ -166,7 +166,7 @@ spec:
         - --engine-image
         - rancher/longhorn-engine:de88734
         - --manager-image
-        - rancher/longhorn-manager:aa8b454
+        - rancher/longhorn-manager:2b34b4e
         - --service-account
         - longhorn-service-account
         ports:
@@ -245,7 +245,7 @@ spec:
     spec:
       containers:
       - name: longhorn-ui
-        image: rancher/longhorn-ui:9f5874c
+        image: rancher/longhorn-ui:4611040
         ports:
         - containerPort: 8000
           name: longhorn-ui
@@ -283,14 +283,14 @@ spec:
     spec:
       containers:
         - name: longhorn-flexvolume-driver-deployer
-          image: rancher/longhorn-manager:aa8b454
+          image: rancher/longhorn-manager:2b34b4e
           imagePullPolicy: Always
           command:
           - longhorn-manager
           - -d
           - deploy-flexvolume-driver
           - --manager-image
-          - rancher/longhorn-manager:aa8b454
+          - rancher/longhorn-manager:2b34b4e
           env:
           - name: POD_NAMESPACE
             valueFrom:

examples/example.yaml

@@ -6,7 +6,7 @@ metadata:
 spec:
   containers:
   - name: volume-test
-    image: nginx
+    image: nginx:stable-alpine
     imagePullPolicy: IfNotPresent
     volumeMounts:
     - name: voll
@@ -19,7 +19,7 @@ spec:
       driver: "rancher.io/longhorn"
       fsType: "ext4"
       options:
-        size: "2G"
-        numberOfReplicas: "2"
+        size: "2Gi"
+        numberOfReplicas: "3"
         staleReplicaTimeout: "20"
         fromBackup: ""

examples/example_pv.yaml

@@ -12,8 +12,8 @@ spec:
     driver: "rancher.io/longhorn"
     fsType: "ext4"
     options:
-      size: "2G"
-      numberOfReplicas: "2"
+      size: "2Gi"
+      numberOfReplicas: "3"
       staleReplicaTimeout: "20"
       fromBackup: ""
 ---
@@ -37,7 +37,7 @@ metadata:
 spec:
   containers:
   - name: volume-test
-    image: nginx
+    image: nginx:stable-alpine
     imagePullPolicy: IfNotPresent
     volumeMounts:
     - name: volv

examples/pvc.yaml

@@ -18,7 +18,7 @@ metadata:
 spec:
   containers:
   - name: volume-test
-    image: nginx
+    image: nginx:stable-alpine
     imagePullPolicy: IfNotPresent
     volumeMounts:
     - name: volv