volume
ListVolumes
VCS-vol-0108 List volumes
CreateVolume
VCS-vol-1039 Create a volume
GetVolumeDetail
VCS-vol-0109 Get details of a volume
DeleteVolume
VCS-vol-2030 Delete a volume
UpdateParametersOfVolume
VCS-vol-3014 Update status or extend size of a volume
GetVolumeReportOfAllGroups.
VCS-vol-0110 Get volume report of all groups. Only tenant admin can use