VMware vSphere datastore cluster synchronisation (apache#205)

* VMware vSphere datastore cluster synchronisation

* datastore cluster casesensitve changes

* added VMFS details

* Added NFS to supported to list for VMware vSphere

Author: harikrishna-patnala

source/adminguide/storage.rst

@@ -121,6 +121,14 @@ OCFS2. In this case the CloudStack does not attempt to mount or unmount
 the storage as is done with NFS. The CloudStack requires that the
 administrator insure that the storage is available
 
+VMware vSphere supports NFS, VMFS5, VMFS6, vSAN, vVols, DatastoreCluster storage types.
+For DatastoreCluster storage type, any changes to the datastore cluster
+at vCenter can be synchronised with CloudStack, like any addition of new
+child datastore to the DatastoreCluster or removal or existing child datastore
+from the DatastoreCluster. Synchronisation of DatastoreCluster happens during
+host connect or storage pool maintenance operations or by calling the API
+syncStoragePool.
+
 With NFS storage, CloudStack manages the overprovisioning. In this case
 the global configuration parameter storage.overprovisioning.factor
 controls the degree of overprovisioning. This is independent of

source/installguide/configuration.rst

@@ -678,9 +678,8 @@ Advanced Zone Configuration
 
    -  **Protocol.** For XenServer, choose either NFS, iSCSI, or
       PreSetup. For KVM, choose NFS, SharedMountPoint, CLVM, and RBD.
-      For vSphere choose either VMFS (iSCSI or FiberChannel) or NFS. The
-      remaining fields in the screen vary depending on what you choose
-      here.
+      For vSphere, choose either NFS, PreSetup (VMFS - iSCSI/FiberChannel, vSAN, vVols) or DatastoreCluster.
+      The remaining fields in the screen vary depending on what you choose here.
 
       .. cssclass:: table-striped table-bordered table-hover
 
@@ -1125,19 +1124,19 @@ cluster.
 
    -  **Protocol.** For XenServer, choose either NFS, iSCSI, or
       PreSetup. For KVM, choose NFS or SharedMountPoint. For vSphere
-      choose either NFS, PreSetup (VMFS, vSAN, vVols) or datastorecluster. For Hyper-V,
+      choose either NFS, PreSetup (VMFS - iSCSI/FiberChannel, vSAN, vVols) or DatastoreCluster. For Hyper-V,
       choose SMB.
 
    -  **Server (for NFS, iSCSI, or PreSetup).** The IP address or DNS
       name of the storage device.
 
-   -  **Server (for PreSetup or datastorecluster).** The IP address or DNS name of the vCenter
+   -  **Server (for PreSetup or DatastoreCluster).** The IP address or DNS name of the vCenter
       server.
 
    -  **Path (for NFS).** In NFS this is the exported path from the
       server.
 
-   -  **Path (for PreSetup or datastorecluster).** In vSphere this is a combination of the
+   -  **Path (for PreSetup or DatastoreCluster).** In vSphere this is a combination of the
       datacenter name and the datastore or datastore cluster name. The format is "/"
       datacenter name "/" datastore or datastore cluster name. For example,
       "/cloud.dc.VM/cluster1datastore".