| `minio_system_drive_free_bytes`                | `gauge`   | Total storage free on a drive in bytes                             | `drive,set_index,drive_index,pool_index,server`     |
| `minio_system_drive_total_bytes`               | `gauge`   | Total storage available on a drive in bytes                        | `drive,set_index,drive_index,pool_index,server`     |

)

// label constants
const (
	driveL      = "drive"
	poolIndexL  = "pool_index"
	setIndexL   = "set_index"
	driveIndexL = "drive_index"

	apiL = "api"

	sectorSize = uint64(512)
	kib        = float64(1 << 10)
)

var allDriveLabels = []string{driveL, poolIndexL, setIndexL, driveIndexL}

const (
	driveUsedBytes               = "used_bytes"
	driveFreeBytes               = "free_bytes"

	exit
fi

# Compare the difference of the list of disks and their location, with the below expected output
diff <(./mc admin info minio1 --json | jq -r '.info.servers[].drives[] | "\(.pool_index),\(.set_index),\(.disk_index) \(.endpoint)"' | sort) <(
	cat <<EOF
0,0,0 http://localhost:9001/tmp/xl/node9001/mnt/disk1
0,0,1 http://localhost:9002/tmp/xl/node9002/mnt/disk1
0,0,2 http://localhost:9001/tmp/xl/node9001/mnt/disk2

        }

        encode_in(buf);
        length = buf.getIndex() - start;

        if (ptype == 0) {
            buf.setIndex(alloc_hint_index);
            alloc_hint = length - alloc_hint_index;
            buf.enc_ndr_long(alloc_hint);
        }

        buf.setIndex(start);
        encode_header(buf);
        buf.setIndex(start + length);
    }
    public void decode(NdrBuffer buf) throws NdrException {

        }

        encode_in(buf);
        this.length = buf.getIndex() - start;

        if ( this.ptype == 0 ) {
            buf.setIndex(alloc_hint_index);
            this.alloc_hint = this.length - alloc_hint_index;
            buf.enc_ndr_long(this.alloc_hint);
        }

        buf.setIndex(start);
        encode_header(buf);
        buf.setIndex(start + this.length);
    }


    @Override

        return nb;
    }


    
    public void reset() {
        this.index = start;
        length = 0;
        deferred = this;
    }
    public int getIndex() {
        return index;
    }
    public void setIndex(int index) {
        this.index = index;
    }
    public int getCapacity() {
        return buf.length - start;
    }
    public int getTailSpace() {

    }


    public void reset () {
        this.index = this.start;
        this.length = 0;
        this.deferred = this;
    }


    public int getIndex () {
        return this.index;
    }


    public void setIndex ( int index ) {
        this.index = index;
    }


    public int getCapacity () {
        return this.buf.length - this.start;
    }

				return
			}
		case "PoolIndex":
			z.PoolIndex, err = dc.ReadInt()
			if err != nil {
				err = msgp.WrapError(err, "PoolIndex")
				return
			}
		case "SetIndex":
			z.SetIndex, err = dc.ReadInt()
			if err != nil {
				err = msgp.WrapError(err, "SetIndex")
				return
			}
		case "DiskIndex":
			z.DiskIndex, err = dc.ReadInt()
			if err != nil {
				err = msgp.WrapError(err, "DiskIndex")
				return
			}

		copy(eps, s.endpointStrings[setIndex*s.setDriveCount:setIndex*s.setDriveCount+s.setDriveCount])
		return eps
	}
}

func (s *erasureSets) GetEndpoints(setIndex int) func() []Endpoint {
	return func() []Endpoint {
		eps := make([]Endpoint, s.setDriveCount)
		copy(eps, s.endpoints.Endpoints[setIndex*s.setDriveCount:setIndex*s.setDriveCount+s.setDriveCount])
		return eps
	}
}

            }

            doReceiveFragment(stub, isDirect);
            buf.reset();
            buf.setIndex(8);
            buf.setLength(buf.dec_ndr_short());

            if (securityProvider != null)
                securityProvider.unwrap(buf);

            buf.setIndex(0);

            msg.decode_header(buf);

            off = 24;