Hi Team,

How to get the total and used storage size of a VM? When I run statistics Rest URL I get the following response, Which is the Total and Used storage in it?

{
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            "status": "down",
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            "original_template": {
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                        "vm": {
                            "href": "/ovirt-engine/api/vms/b89deb8c-882c-47a4-9911-b4978cddcded",
                            "id": "b89deb8c-882c-47a4-9911-b4978cddcded"
                        },
                        "name": "memory.installed",
                        "description": "Total memory configured",
                        "href": "/ovirt-engine/api/vms/b89deb8c-882c-47a4-9911-b4978cddcded/statistics/5a89a1d2-32be-33f7-a0d1-f8b5bc974ff6",
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                            ]
                        },
                        "vm": {
                            "href": "/ovirt-engine/api/vms/b89deb8c-882c-47a4-9911-b4978cddcded",
                            "id": "b89deb8c-882c-47a4-9911-b4978cddcded"
                        },
                        "name": "memory.used",
                        "description": "Memory used (agent)",
                        "href": "/ovirt-engine/api/vms/b89deb8c-882c-47a4-9911-b4978cddcded/statistics/b7499508-c1c3-32f0-8174-c1783e57bb08",
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                        "vm": {
                            "href": "/ovirt-engine/api/vms/b89deb8c-882c-47a4-9911-b4978cddcded",
                            "id": "b89deb8c-882c-47a4-9911-b4978cddcded"
                        },
                        "name": "cpu.current.guest",
                        "description": "CPU used by guest",
                        "href": "/ovirt-engine/api/vms/b89deb8c-882c-47a4-9911-b4978cddcded/statistics/ef802239-b74a-329f-9955-be8fea6b50a4",
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                        "vm": {
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                            "id": "b89deb8c-882c-47a4-9911-b4978cddcded"
                        },
                        "name": "cpu.current.hypervisor",
                        "description": "CPU overhead",
                        "href": "/ovirt-engine/api/vms/b89deb8c-882c-47a4-9911-b4978cddcded/statistics/d849a55f-0049-36f8-ae65-face541473ac",
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                        "vm": {
                            "href": "/ovirt-engine/api/vms/b89deb8c-882c-47a4-9911-b4978cddcded",
                            "id": "b89deb8c-882c-47a4-9911-b4978cddcded"
                        },
                        "name": "cpu.current.total",
                        "description": "Total CPU used",
                        "href": "/ovirt-engine/api/vms/b89deb8c-882c-47a4-9911-b4978cddcded/statistics/2ec286fe-4bec-32f5-8d63-dba7bed58763",
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                            ]
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                        "vm": {
                            "href": "/ovirt-engine/api/vms/b89deb8c-882c-47a4-9911-b4978cddcded",
                            "id": "b89deb8c-882c-47a4-9911-b4978cddcded"
                        },
                        "name": "migration.progress",
                        "description": "Migration Progress",
                        "href": "/ovirt-engine/api/vms/b89deb8c-882c-47a4-9911-b4978cddcded/statistics/892b69a7-41ca-36b1-9a2e-ae5177ef21bb",
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                        "vm": {
                            "href": "/ovirt-engine/api/vms/b89deb8c-882c-47a4-9911-b4978cddcded",
                            "id": "b89deb8c-882c-47a4-9911-b4978cddcded"
                        },
                        "name": "memory.buffered",
                        "description": "Memory buffered (agent)",
                        "href": "/ovirt-engine/api/vms/b89deb8c-882c-47a4-9911-b4978cddcded/statistics/09e07489-64fd-32ab-8e4e-a2b61eed8d60",
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                            "id": "b89deb8c-882c-47a4-9911-b4978cddcded"
                        },
                        "name": "memory.cached",
                        "description": "Memory cached (agent)",
                        "href": "/ovirt-engine/api/vms/b89deb8c-882c-47a4-9911-b4978cddcded/statistics/1b6244ee-8dbd-365d-8762-482ddc05ee11",
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                        "vm": {
                            "href": "/ovirt-engine/api/vms/b89deb8c-882c-47a4-9911-b4978cddcded",
                            "id": "b89deb8c-882c-47a4-9911-b4978cddcded"
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                        "name": "memory.free",
                        "description": "Memory free (agent)",
                        "href": "/ovirt-engine/api/vms/b89deb8c-882c-47a4-9911-b4978cddcded/statistics/5a0fba9d-33d7-3cbf-addd-ba462040c946",
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                    {
                        "href": "/ovirt-engine/api/vms/b89deb8c-882c-47a4-9911-b4978cddcded/detach",
                        "rel": "detach"
                    },
                    {
                        "href": "/ovirt-engine/api/vms/b89deb8c-882c-47a4-9911-b4978cddcded/export",
                        "rel": "export"
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                    {
                        "href": "/ovirt-engine/api/vms/b89deb8c-882c-47a4-9911-b4978cddcded/ticket",
                        "rel": "ticket"
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                    {
                        "href": "/ovirt-engine/api/vms/b89deb8c-882c-47a4-9911-b4978cddcded/freezefilesystems",
                        "rel": "freezefilesystems"
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                    {
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                    {
                        "href": "/ovirt-engine/api/vms/b89deb8c-882c-47a4-9911-b4978cddcded/maintenance",
                        "rel": "maintenance"
                    },
                    {
                        "href": "/ovirt-engine/api/vms/b89deb8c-882c-47a4-9911-b4978cddcded/previewsnapshot",
                        "rel": "previewsnapshot"
                    },
                    {
                        "href": "/ovirt-engine/api/vms/b89deb8c-882c-47a4-9911-b4978cddcded/reordermacaddresses",
                        "rel": "reordermacaddresses"
                    },
                    {
                        "href": "/ovirt-engine/api/vms/b89deb8c-882c-47a4-9911-b4978cddcded/thawfilesystems",
                        "rel": "thawfilesystems"
                    },
                    {
                        "href": "/ovirt-engine/api/vms/b89deb8c-882c-47a4-9911-b4978cddcded/undosnapshot",
                        "rel": "undosnapshot"
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                    {
                        "href": "/ovirt-engine/api/vms/b89deb8c-882c-47a4-9911-b4978cddcded/shutdown",
                        "rel": "shutdown"
                    },
                    {
                        "href": "/ovirt-engine/api/vms/b89deb8c-882c-47a4-9911-b4978cddcded/start",
                        "rel": "start"
                    },
                    {
                        "href": "/ovirt-engine/api/vms/b89deb8c-882c-47a4-9911-b4978cddcded/stop",
                        "rel": "stop"
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                    {
                        "href": "/ovirt-engine/api/vms/b89deb8c-882c-47a4-9911-b4978cddcded/suspend",
                        "rel": "suspend"
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                ]
            },
            "name": "memory",
            "href": "/ovirt-engine/api/vms/b89deb8c-882c-47a4-9911-b4978cddcded",
            "id": "b89deb8c-882c-47a4-9911-b4978cddcded",
            "bios": {
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                }
            },
            "cpu": {
                "architecture": "x86_64",
                "topology": {
                    "cores": "1",
                    "sockets": "1",
                    "threads": "1"
                }
            },
            "display": {
                "allow_override": "false",
                "copy_paste_enabled": "true",
                "disconnect_action": "LOCK_SCREEN",
                "file_transfer_enabled": "true",
                "monitors": "1",
                "single_qxl_pci": "false",
                "smartcard_enabled": "false",
                "type": "spice"
            },
            "io": {
                "threads": "0"
            },
            "memory": 1073741824,
            "migration": {
                "auto_converge": "inherit",
                "compressed": "inherit"
            },
            "origin": "ovirt",
            "os": {
                "boot": {
                    "devices": {
                        "device": [
                            "hd"
                        ]
                    }
                },
                "type": "other"
            },
            "sso": {
                "methods": {
                    "method": [
                        {
                            "id": "guest_agent"
                        }
                    ]
                }
            },
            "stateless": "false",
            "type": "desktop",
            "usb": {
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            "cluster": {
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                "id": "8111b6c0-c60d-416d-bcdb-ea926f8035fc"
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                    "rel": "watchdogs"
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                {
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                    "rel": "katelloerrata"
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                {
                    "href": "/ovirt-engine/api/vms/b89deb8c-882c-47a4-9911-b4978cddcded/permissions",
                    "rel": "permissions"
                },
                {
                    "href": "/ovirt-engine/api/vms/b89deb8c-882c-47a4-9911-b4978cddcded/tags",
                    "rel": "tags"
                },
                {
                    "href": "/ovirt-engine/api/vms/b89deb8c-882c-47a4-9911-b4978cddcded/diskattachments",
                    "rel": "diskattachments"
                },
                {
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                    "rel": "snapshots"
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                {
                    "href": "/ovirt-engine/api/vms/b89deb8c-882c-47a4-9911-b4978cddcded/applications",
                    "rel": "applications"
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                {
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                    "rel": "affinitylabels"
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                {
                    "href": "/ovirt-engine/api/vms/b89deb8c-882c-47a4-9911-b4978cddcded/hostdevices",
                    "rel": "hostdevices"
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                {
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                    "rel": "numanodes"
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                {
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                {
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                    "rel": "sessions"
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                {
                    "href": "/ovirt-engine/api/vms/b89deb8c-882c-47a4-9911-b4978cddcded/graphicsconsoles",
                    "rel": "graphicsconsoles"
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                {
                    "href": "/ovirt-engine/api/vms/b89deb8c-882c-47a4-9911-b4978cddcded/nics",
                    "rel": "nics"
                },
                {
                    "href": "/ovirt-engine/api/vms/b89deb8c-882c-47a4-9911-b4978cddcded/statistics",
                    "rel": "statistics"
                }
            ],
            "cpu_shares": "0",
            "creation_time": 1524728637178,
            "delete_protected": "false",
            "high_availability": {
                "enabled": "false",
                "priority": "0"
            },
            "large_icon": {
                "href": "/ovirt-engine/api/icons/ae1951e6-d1c8-50a9-4dc3-59a0967afd21",
                "id": "ae1951e6-d1c8-50a9-4dc3-59a0967afd21"
            },
            "memory_policy": {
                "guaranteed": 1073741824,
                "max": 4294967296
            },
            "migration_downtime": "-1",
            "placement_policy": {
                "affinity": "migratable"
            },
            "small_icon": {
                "href": "/ovirt-engine/api/icons/07a3e3fc-a384-e5cc-d496-942f8047eea8",
                "id": "07a3e3fc-a384-e5cc-d496-942f8047eea8"
            },
            "start_paused": "false",
            "storage_error_resume_behaviour": "auto_resume",
            "time_zone": {
                "name": "Etc/GMT"
            },
            "cpu_profile": {
                "href": "/ovirt-engine/api/cpuprofiles/ab2e9ead-2464-41f9-94f4-1e68c648a8a1",
                "id": "ab2e9ead-2464-41f9-94f4-1e68c648a8a1"
            }
        }