Document pod volume host path setting for Nutanix. (#6902)

Signed-off-by: Raghuram Devarakonda <draghuram@gmail.com>

site/content/docs/main/csi-snapshot-data-movement.md

@@ -41,7 +41,7 @@ velero install --use-node-agent
 ### Configure Node Agent DaemonSet spec
 
 After installation, some PaaS/CaaS platforms based on Kubernetes also require modifications the node-agent DaemonSet spec. 
-The steps in this section are only needed if you are installing on RancherOS, OpenShift, VMware Tanzu Kubernetes Grid 
+The steps in this section are only needed if you are installing on RancherOS, Nutanix, OpenShift, VMware Tanzu Kubernetes Grid 
 Integrated Edition (formerly VMware Enterprise PKS), or Microsoft Azure.  
 
 
@@ -63,6 +63,22 @@ hostPath:
   path: /opt/rke/var/lib/kubelet/pods
 ```
 
+**Nutanix**
+
+Update the host path for volumes in the node-agent DaemonSet in the Velero namespace from `/var/lib/kubelet/pods` to
+`/var/nutanix/var/lib/kubelet`.
+
+```yaml
+hostPath:
+  path: /var/lib/kubelet/pods
+```
+
+to
+
+```yaml
+hostPath:
+  path: /var/nutanix/var/lib/kubelet
+```
 
 **OpenShift**
 

site/content/docs/main/file-system-backup.md

@@ -77,7 +77,7 @@ backup which created the backup repository, then Velero will not be able to conn
 ### Configure Node Agent DaemonSet spec
 
 After installation, some PaaS/CaaS platforms based on Kubernetes also require modifications the node-agent DaemonSet spec. 
-The steps in this section are only needed if you are installing on RancherOS, OpenShift, VMware Tanzu Kubernetes Grid 
+The steps in this section are only needed if you are installing on RancherOS, Nutanix, OpenShift, VMware Tanzu Kubernetes Grid 
 Integrated Edition (formerly VMware Enterprise PKS), or Microsoft Azure.  
 
 
@@ -99,6 +99,23 @@ hostPath:
   path: /opt/rke/var/lib/kubelet/pods
 ```
 
+**Nutanix**
+
+
+Update the host path for volumes in the node-agent DaemonSet in the Velero namespace from `/var/lib/kubelet/pods` to
+`/var/nutanix/var/lib/kubelet`.
+
+```yaml
+hostPath:
+  path: /var/lib/kubelet/pods
+```
+
+to
+
+```yaml
+hostPath:
+  path: /var/nutanix/var/lib/kubelet
+```
 
 **OpenShift**
 

site/content/docs/v1.12/csi-snapshot-data-movement.md

@@ -41,7 +41,7 @@ velero install --use-node-agent
 ### Configure Node Agent DaemonSet spec
 
 After installation, some PaaS/CaaS platforms based on Kubernetes also require modifications the node-agent DaemonSet spec. 
-The steps in this section are only needed if you are installing on RancherOS, OpenShift, VMware Tanzu Kubernetes Grid 
+The steps in this section are only needed if you are installing on RancherOS, Nutanix, OpenShift, VMware Tanzu Kubernetes Grid 
 Integrated Edition (formerly VMware Enterprise PKS), or Microsoft Azure.  
 
 
@@ -62,7 +62,22 @@ to
 hostPath:
   path: /opt/rke/var/lib/kubelet/pods
 ```
+**Nutanix**
 
+Update the host path for volumes in the node-agent DaemonSet in the Velero namespace from `/var/lib/kubelet/pods` to
+`/var/nutanix/var/lib/kubelet`.
+
+```yaml
+hostPath:
+  path: /var/lib/kubelet/pods
+```
+
+to
+
+```yaml
+hostPath:
+  path: /var/nutanix/var/lib/kubelet
+```
 
 **OpenShift**
 

site/content/docs/v1.12/file-system-backup.md

@@ -77,7 +77,7 @@ backup which created the backup repository, then Velero will not be able to conn
 ### Configure Node Agent DaemonSet spec
 
 After installation, some PaaS/CaaS platforms based on Kubernetes also require modifications the node-agent DaemonSet spec. 
-The steps in this section are only needed if you are installing on RancherOS, OpenShift, VMware Tanzu Kubernetes Grid 
+The steps in this section are only needed if you are installing on RancherOS, Nutanix, OpenShift, VMware Tanzu Kubernetes Grid 
 Integrated Edition (formerly VMware Enterprise PKS), or Microsoft Azure.  
 
 
@@ -99,6 +99,23 @@ hostPath:
   path: /opt/rke/var/lib/kubelet/pods
 ```
 
+**Nutanix**
+
+
+Update the host path for volumes in the node-agent DaemonSet in the Velero namespace from `/var/lib/kubelet/pods` to
+`/var/nutanix/var/lib/kubelet`.
+
+```yaml
+hostPath:
+  path: /var/lib/kubelet/pods
+```
+
+to
+
+```yaml
+hostPath:
+  path: /var/nutanix/var/lib/kubelet
+```
 
 **OpenShift**