diff --git a/ceilometer/ipmi/pollsters/sensor.py b/ceilometer/ipmi/pollsters/sensor.py
index 19d11d4fb3..4fbc93c075 100644
--- a/ceilometer/ipmi/pollsters/sensor.py
+++ b/ceilometer/ipmi/pollsters/sensor.py
@@ -107,6 +107,10 @@ class SensorPollster(plugin_base.PollsterBase):
                 'node': self.conf.host
             }
 
+            extra_metadata = self.get_extra_sensor_metadata(sensor_data)
+            if extra_metadata:
+                metadata.update(extra_metadata)
+
             yield sample.Sample(
                 name='hardware.ipmi.%s' % self.METRIC.lower(),
                 type=sample.TYPE_GAUGE,
@@ -117,6 +121,11 @@ class SensorPollster(plugin_base.PollsterBase):
                 resource_id=resource_id,
                 resource_metadata=metadata)
 
+    def get_extra_sensor_metadata(self, sensor_data):
+        # override get_extra_sensor_metadata to add specific metrics for
+        # each sensor
+        return {}
+
 
 class TemperatureSensorPollster(SensorPollster):
     METRIC = 'Temperature'
@@ -129,6 +138,16 @@ class CurrentSensorPollster(SensorPollster):
 class FanSensorPollster(SensorPollster):
     METRIC = 'Fan'
 
+    def get_extra_sensor_metadata(self, sensor_data):
+        try:
+            return {
+                "maximum_rpm": sensor_data['Normal Maximum'],
+            }
+        except KeyError:
+            # Maximum rpm might not be reported when usage
+            # is reported as percent
+            return {}
+
 
 class VoltageSensorPollster(SensorPollster):
     METRIC = 'Voltage'
diff --git a/ceilometer/tests/unit/ipmi/notifications/ipmi_test_data.py b/ceilometer/tests/unit/ipmi/notifications/ipmi_test_data.py
index f5ed8159ec..043a7df1de 100644
--- a/ceilometer/tests/unit/ipmi/notifications/ipmi_test_data.py
+++ b/ceilometer/tests/unit/ipmi/notifications/ipmi_test_data.py
@@ -606,6 +606,25 @@ FAN_DATA = {
 }
 
 
+FAN_DATA_PERCENT = {
+    'Fan 1 (0x23)': {
+        'Sensor ID': 'Fan 1 (0x23)',
+        'Entity ID': '7.1 (System Board)',
+        'Sensor Type (Threshold)': 'Fan (0x04)',
+        'Sensor Reading': '47.040 (+/- 0) percent',
+        'Status': 'ok',
+        'Positive Hysteresis': 'Unspecified',
+        'Negative Hysteresis': 'Unspecified',
+        'Minimum sensor range': 'Unspecified',
+        'Maximum sensor range': 'Unspecified',
+        'Event Message Control': 'Global Disable Only',
+        'Readable Thresholds': '',
+        'Settable Thresholds': '',
+        'Assertions Enabled': ''
+    }
+}
+
+
 VOLTAGE_DATA = {
     'Planar 12V (0x18)': {
         'Status': 'ok',
diff --git a/ceilometer/tests/unit/ipmi/pollsters/test_sensor.py b/ceilometer/tests/unit/ipmi/pollsters/test_sensor.py
index 471157192f..a35e4234e0 100644
--- a/ceilometer/tests/unit/ipmi/pollsters/test_sensor.py
+++ b/ceilometer/tests/unit/ipmi/pollsters/test_sensor.py
@@ -28,6 +28,10 @@ FAN_SENSOR_DATA = {
     'Fan': ipmi_test_data.FAN_DATA
 }
 
+FAN_SENSOR_DATA_PERCENT = {
+    'Fan': ipmi_test_data.FAN_DATA_PERCENT
+}
+
 VOLTAGE_SENSOR_DATA = {
     'Voltage': ipmi_test_data.VOLTAGE_DATA
 }
@@ -108,6 +112,20 @@ class TestFanSensorPollster(base.TestPollsterBase):
         self._verify_metering(12, float(7140), self.CONF.host)
 
 
+class TestFanPercentSensorPollster(base.TestPollsterBase):
+
+    def fake_sensor_data(self, sensor_type):
+        return FAN_SENSOR_DATA_PERCENT
+
+    def make_pollster(self):
+        return sensor.FanSensorPollster(self.CONF)
+
+    def test_get_samples(self):
+        self._test_get_samples()
+
+        self._verify_metering(1, float(47.04), self.CONF.host)
+
+
 class TestCurrentSensorPollster(base.TestPollsterBase):
 
     def fake_sensor_data(self, sensor_type):