diff --git a/cmd/collectors/eseries/template.go b/cmd/collectors/eseries/template.go
index 902bf732c..46a55945a 100644
--- a/cmd/collectors/eseries/template.go
+++ b/cmd/collectors/eseries/template.go
@@ -36,32 +36,23 @@ func (e *ESeries) LoadTemplate() (string, error) {
 
 // ObjectConfig holds configuration for different object types
 type ObjectConfig struct {
-	ArrayPath            string
-	Filter               string
-	CalculateUtilization bool
-	UsesSharedCache      bool
-}
-
-// newObjectConfig creates an ObjectConfig with UsesSharedCache defaulted to true
-func newObjectConfig(arrayPath, filter string, calculateUtilization bool) ObjectConfig {
-	return ObjectConfig{
-		ArrayPath:            arrayPath,
-		Filter:               filter,
-		CalculateUtilization: calculateUtilization,
-		UsesSharedCache:      true,
-	}
+	ArrayPath                  string
+	Filter                     string
+	CalculateUtilization       bool
+	CalculateQueueDepthAverage bool
+	UsesSharedCache            bool
 }
 
 func GetESeriesPerfObjectConfig(objType string) ObjectConfig {
 	configs := map[string]ObjectConfig{
-		"controller":  newObjectConfig("controllerStats", "type=controller", false),
-		"pool":        newObjectConfig("poolStats", "type=storagePool", false),
-		"volume":      newObjectConfig("volumeStats", "type=volume", false),
-		"drive":       newObjectConfig("diskStats", "type=drive", true),
-		"interface":   newObjectConfig("interfaceStats", "type=ioInterface", false),
-		"application": newObjectConfig("applicationStats", "type=application", false),
-		"workload":    newObjectConfig("workloadStats", "type=workload", false),
-		"array":       newObjectConfig("systemStats", "type=storageSystem", false),
+		"controller":  {ArrayPath: "controllerStats", Filter: "type=controller", UsesSharedCache: true},
+		"pool":        {ArrayPath: "poolStats", Filter: "type=storagePool", UsesSharedCache: true},
+		"volume":      {ArrayPath: "volumeStats", Filter: "type=volume", UsesSharedCache: true, CalculateQueueDepthAverage: true},
+		"drive":       {ArrayPath: "diskStats", Filter: "type=drive", UsesSharedCache: true, CalculateUtilization: true},
+		"interface":   {ArrayPath: "interfaceStats", Filter: "type=ioInterface", UsesSharedCache: true},
+		"application": {ArrayPath: "applicationStats", Filter: "type=application", UsesSharedCache: true},
+		"workload":    {ArrayPath: "workloadStats", Filter: "type=workload", UsesSharedCache: true},
+		"array":       {ArrayPath: "systemStats", Filter: "type=storageSystem", UsesSharedCache: true},
 	}
 	if config, ok := configs[objType]; ok {
 		return config
diff --git a/cmd/collectors/eseriesperf/eseriesperf.go b/cmd/collectors/eseriesperf/eseriesperf.go
index 8d401f778..4646c97a6 100644
--- a/cmd/collectors/eseriesperf/eseriesperf.go
+++ b/cmd/collectors/eseriesperf/eseriesperf.go
@@ -38,10 +38,11 @@ type counter struct {
 }
 
 type perfProp struct {
-	isCacheEmpty         bool
-	counterInfo          map[string]*counter
-	timestampMetricName  string
-	calculateUtilization bool
+	isCacheEmpty               bool
+	counterInfo                map[string]*counter
+	timestampMetricName        string
+	calculateUtilization       bool
+	calculateQueueDepthAverage bool
 }
 
 func init() {
@@ -156,6 +157,7 @@ func (ep *EseriesPerf) ParseTemplate() error {
 	}
 
 	ep.perfProp.calculateUtilization = config.CalculateUtilization
+	ep.perfProp.calculateQueueDepthAverage = config.CalculateQueueDepthAverage
 
 	return nil
 }
@@ -633,6 +635,12 @@ func (ep *EseriesPerf) cookCounters(curMat *matrix.Matrix, prevMat *matrix.Matri
 		idleTime.SetExportable(false)
 	}
 
+	// Don't export queueDepthTotal it's only used to compute queue_depth_average
+	queueDepthTotal := curMat.GetMetric("queueDepthTotal")
+	if queueDepthTotal != nil {
+		queueDepthTotal.SetExportable(false)
+	}
+
 	err = ep.validateMatrix(prevMat, curMat)
 	if err != nil {
 		return nil, err
@@ -677,6 +685,15 @@ func (ep *EseriesPerf) cookCounters(curMat *matrix.Matrix, prevMat *matrix.Matri
 		}
 	}
 
+	// Calculate queue depth average if template flag is set (after all deltas are done)
+	if ep.perfProp.calculateQueueDepthAverage {
+		if skips, err := ep.calculateQueueDepthAverage(curMat); err != nil {
+			ep.Logger.Error("Calculate queue depth average", slogx.Err(err))
+		} else {
+			totalSkips += skips
+		}
+	}
+
 	// Second pass: Apply transformations (average, percent)
 	for i := range orderedMetrics {
 		key := orderedKeys[i]
@@ -802,6 +819,7 @@ func (ep *EseriesPerf) calculateUtilization(curMat *matrix.Matrix) (int, error)
 		idleTime, idleOk := idleTimeMetric.GetValueFloat64(instance)
 
 		if !readOk || !writeOk || !idleOk {
+			skips++
 			continue
 		}
 
@@ -822,6 +840,46 @@ func (ep *EseriesPerf) calculateUtilization(curMat *matrix.Matrix) (int, error)
 	return skips, nil
 }
 
+// calculateQueueDepthAverage calculates the average queue depth per I/O operation.
+func (ep *EseriesPerf) calculateQueueDepthAverage(curMat *matrix.Matrix) (int, error) {
+	queueDepthTotalMetric := curMat.GetMetric("queueDepthTotal")
+	readOpsMetric := curMat.GetMetric("readOps")
+	writeOpsMetric := curMat.GetMetric("writeOps")
+	otherOpsMetric := curMat.GetMetric("otherOps")
+
+	if queueDepthTotalMetric == nil || readOpsMetric == nil || writeOpsMetric == nil || otherOpsMetric == nil {
+		return 0, errs.New(errs.ErrMissingParam, "missing metrics (queueDepthTotal, readOps, writeOps, otherOps) for queue depth average")
+	}
+
+	queueDepthAvgMetric, err := curMat.NewMetricFloat64("queue_depth_average")
+	if err != nil {
+		return 0, err
+	}
+	queueDepthAvgMetric.SetProperty("average")
+
+	skips := 0
+	for _, instance := range curMat.GetInstances() {
+		qDepthTotal, qOk := queueDepthTotalMetric.GetValueFloat64(instance)
+		readOps, rOk := readOpsMetric.GetValueFloat64(instance)
+		writeOps, wOk := writeOpsMetric.GetValueFloat64(instance)
+		otherOps, oOk := otherOpsMetric.GetValueFloat64(instance)
+
+		if !qOk || !rOk || !wOk || !oOk {
+			skips++
+			continue
+		}
+
+		totalOps := readOps + writeOps + otherOps
+		if totalOps > 0 {
+			queueDepthAvgMetric.SetValueFloat64(instance, qDepthTotal/totalOps)
+		} else {
+			skips++
+		}
+	}
+
+	return skips, nil
+}
+
 // validateMatrix ensures that the previous matrix (prevMat) contains all the metrics present in the current matrix (curMat).
 // This is crucial for performing accurate comparisons and calculations between the two matrices, especially in scenarios where
 // the current matrix may have additional metrics that are not present in the previous matrix, such as after an ONTAP upgrade.
diff --git a/cmd/collectors/eseriesperf/eseriesperf_test.go b/cmd/collectors/eseriesperf/eseriesperf_test.go
index 7188d9c11..8a6ccf223 100644
--- a/cmd/collectors/eseriesperf/eseriesperf_test.go
+++ b/cmd/collectors/eseriesperf/eseriesperf_test.go
@@ -862,3 +862,114 @@ func TestEseriesPerf_SsdCache_NegativeDelta_SkipOnCounterReset(t *testing.T) {
 		}
 	}
 }
+func TestEseriesPerf_QueueDepthAverage_Flag(t *testing.T) {
+	ep := newEseriesPerf("Volume", "volume.yaml")
+
+	assert.True(t, ep.perfProp.calculateQueueDepthAverage)
+	assert.False(t, ep.perfProp.calculateUtilization)
+}
+
+func TestEseriesPerf_QueueDepthAverage_Calculation(t *testing.T) {
+	ep := newEseriesPerf("Volume", "volume.yaml")
+	mat := ep.Matrix[ep.Object]
+
+	instance, err := mat.NewInstance("vol1")
+	if err != nil {
+		t.Fatalf("failed to create instance: %v", err)
+	}
+
+	queueDepthTotal, err := mat.NewMetricFloat64("queueDepthTotal")
+	if err != nil {
+		t.Fatalf("failed to create queueDepthTotal: %v", err)
+	}
+	readOps, err := mat.NewMetricFloat64("readOps")
+	if err != nil {
+		t.Fatalf("failed to create readOps: %v", err)
+	}
+	writeOps, err := mat.NewMetricFloat64("writeOps")
+	if err != nil {
+		t.Fatalf("failed to create writeOps: %v", err)
+	}
+	otherOps, err := mat.NewMetricFloat64("otherOps")
+	if err != nil {
+		t.Fatalf("failed to create otherOps: %v", err)
+	}
+
+	queueDepthTotal.SetValueFloat64(instance, 1500)
+	readOps.SetValueFloat64(instance, 300)
+	writeOps.SetValueFloat64(instance, 200)
+	otherOps.SetValueFloat64(instance, 0)
+
+	skips, err := ep.calculateQueueDepthAverage(mat)
+	assert.Nil(t, err)
+	assert.Equal(t, skips, 0)
+
+	avgMetric := mat.GetMetric("queue_depth_average")
+	assert.NotNil(t, avgMetric)
+
+	val, ok := avgMetric.GetValueFloat64(instance)
+	assert.True(t, ok)
+	assert.Equal(t, val, 3.0)
+}
+
+func TestEseriesPerf_QueueDepthAverage_ZeroTotalOps(t *testing.T) {
+	ep := newEseriesPerf("Volume", "volume.yaml")
+	mat := ep.Matrix[ep.Object]
+
+	instance, err := mat.NewInstance("vol1")
+	if err != nil {
+		t.Fatalf("failed to create instance: %v", err)
+	}
+
+	queueDepthTotal, _ := mat.NewMetricFloat64("queueDepthTotal")
+	readOps, _ := mat.NewMetricFloat64("readOps")
+	writeOps, _ := mat.NewMetricFloat64("writeOps")
+	otherOps, _ := mat.NewMetricFloat64("otherOps")
+
+	queueDepthTotal.SetValueFloat64(instance, 100)
+	readOps.SetValueFloat64(instance, 0)
+	writeOps.SetValueFloat64(instance, 0)
+	otherOps.SetValueFloat64(instance, 0)
+
+	skips, err := ep.calculateQueueDepthAverage(mat)
+	assert.Nil(t, err)
+	assert.Equal(t, skips, 1)
+
+	avgMetric := mat.GetMetric("queue_depth_average")
+	assert.NotNil(t, avgMetric)
+
+	_, ok := avgMetric.GetValueFloat64(instance)
+	assert.False(t, ok)
+}
+
+func TestEseriesPerf_QueueDepthTotal_NotExported(t *testing.T) {
+	ep := newEseriesPerf("Volume", "volume.yaml")
+	mat := ep.Matrix[ep.Object]
+	mat.SetGlobalLabel("array_id", "600a098000f63714000000005e5cf5d2")
+	mat.SetGlobalLabel("array", "eseries-test-system")
+
+	// First poll - establishes baseline; cookCounters returns nil when cache is empty
+	pollData1 := jsonToPerfData("testdata/perf1.json")
+	ep.pollData(mat, pollData1, set.New())
+	_, _ = ep.cookCounters(mat, mat)
+
+	// Second poll
+	pollData2 := jsonToPerfData("testdata/perf2.json")
+	prevMat := mat.Clone(matrix.With{Data: true, Metrics: true, Instances: true, ExportInstances: true})
+	curMat := prevMat.Clone(matrix.With{Data: false, Metrics: true, Instances: true, ExportInstances: true})
+	curMat.Reset()
+	ep.pollData(curMat, pollData2, set.New())
+
+	got, err := ep.cookCounters(curMat, prevMat)
+	assert.Nil(t, err)
+	assert.NotNil(t, got)
+
+	resultMat := got["Volume"]
+	assert.NotNil(t, resultMat)
+
+	qdt := resultMat.GetMetric("queueDepthTotal")
+	if qdt == nil {
+		t.Fatal("queueDepthTotal metric should exist in result matrix")
+	}
+	assert.False(t, qdt.IsExportable())
+}
diff --git a/cmd/tools/generate/eseries_counter.yaml b/cmd/tools/generate/eseries_counter.yaml
index 15b5dfd2b..f12914238 100644
--- a/cmd/tools/generate/eseries_counter.yaml
+++ b/cmd/tools/generate/eseries_counter.yaml
@@ -344,6 +344,30 @@ counters:
         ESeriesCounter: Harvest Generated
         Template: conf/eseriesperf/11.80.0/volume.yaml (CacheHitRatio plugin)
 
+  - Name: eseries_volume_other_ops
+    Description: Volume other I/O operations per second
+    APIs:
+      - API: REST
+        Endpoint: storage-systems/{array_id}/live-statistics
+        ESeriesCounter: otherOps
+        Template: conf/eseriesperf/11.80.0/volume.yaml
+
+  - Name: eseries_volume_queue_depth_average
+    Description: Average queue depth per I/O operation
+    APIs:
+      - API: REST
+        Endpoint: storage-systems/{array_id}/live-statistics
+        ESeriesCounter: Harvest Generated
+        Template: conf/eseriesperf/11.80.0/volume.yaml
+
+  - Name: eseries_volume_queue_depth_max
+    Description: Maximum queue depth seen over the observation window
+    APIs:
+      - API: REST
+        Endpoint: storage-systems/{array_id}/live-statistics
+        ESeriesCounter: queueDepthMax
+        Template: conf/eseriesperf/11.80.0/volume.yaml
+
   # =============================================================================
   # Cache Backup Device Metrics (Hardware Plugin)
   # =============================================================================
diff --git a/conf/eseriesperf/11.80.0/volume.yaml b/conf/eseriesperf/11.80.0/volume.yaml
index 37c5a45d2..987b67db8 100644
--- a/conf/eseriesperf/11.80.0/volume.yaml
+++ b/conf/eseriesperf/11.80.0/volume.yaml
@@ -7,6 +7,9 @@ counters:
   - ^^volumeName                  => volume
   - lastResetTimeInMS             => last_reset_time
   - observedTimeInMS              => observed_time
+  - otherOps                      => other_ops
+  - queueDepthMax                 => queue_depth_max
+  - queueDepthTotal                                         # queueDepthTotal is only used to compute queue_depth_average. It is not exported
   - readBytes                     => read_data
   - readHitOps                    => read_hit_ops
   - readOps                       => read_ops
diff --git a/conf/eseriesperf/static_counter_definitions.yaml b/conf/eseriesperf/static_counter_definitions.yaml
index f31477039..a4f1f9a3d 100644
--- a/conf/eseriesperf/static_counter_definitions.yaml
+++ b/conf/eseriesperf/static_counter_definitions.yaml
@@ -26,6 +26,12 @@ objects:
       - name: idleTime
         type: average
         base_counter: readOps
+      - name: otherOps
+        type: rate
+      - name: queueDepthTotal
+        type: delta
+      - name: queueDepthMax
+        type: raw
 
   eseries_controller:
     counter_definitions:
diff --git a/docs/cisco-switch-metrics.md b/docs/cisco-switch-metrics.md
index 9bf653701..218f152c6 100644
--- a/docs/cisco-switch-metrics.md
+++ b/docs/cisco-switch-metrics.md
@@ -5,7 +5,7 @@ These can be generated on demand by running `bin/harvest grafana metrics`. See
 [#1577](https://github.com/NetApp/harvest/issues/1577#issue-1471478260) for details.
 
 ```
-Creation Date : 2026-Apr-03
+Creation Date : 2026-Apr-08
 NX-OS Version: 9.3.12
 ```
 
diff --git a/docs/eseries-metrics.md b/docs/eseries-metrics.md
index 054057855..2622b8f1a 100644
--- a/docs/eseries-metrics.md
+++ b/docs/eseries-metrics.md
@@ -5,7 +5,7 @@ These can be generated on demand by running `bin/harvest grafana metrics`. See
 [#1577](https://github.com/NetApp/harvest/issues/1577#issue-1471478260) for details.
 
 ```
-Creation Date : 2026-Apr-03
+Creation Date : 2026-Apr-08
 E-Series Version: 11.80.0
 ```
 
@@ -1473,6 +1473,63 @@ The `eseries_volume_labels` metric is visualized in the following Grafana dashbo
 
 
 
+### eseries_volume_other_ops
+
+Volume other I/O operations per second
+
+
+| API    | Endpoint | Metric | Template |
+|--------|----------|--------|---------|
+| REST | `storage-systems/{array_id}/live-statistics` | `otherOps` | conf/eseriesperf/11.80.0/volume.yaml |
+
+The `eseries_volume_other_ops` metric is visualized in the following Grafana dashboards:
+
+/// html | div.grafana-table
+| Dashboard | Row | Type | Panel |
+|--------|----------|--------|--------|
+| E-Series: Volume | Highlights | timeseries | [Top $TopResources Volumes by Other IOPs](/d/eseries-volume/e-series3a-volume?orgId=1&viewPanel=46) |
+///
+
+
+
+### eseries_volume_queue_depth_average
+
+Average queue depth per I/O operation
+
+
+| API    | Endpoint | Metric | Template |
+|--------|----------|--------|---------|
+| REST | `storage-systems/{array_id}/live-statistics` | `Harvest Generated` | conf/eseriesperf/11.80.0/volume.yaml |
+
+The `eseries_volume_queue_depth_average` metric is visualized in the following Grafana dashboards:
+
+/// html | div.grafana-table
+| Dashboard | Row | Type | Panel |
+|--------|----------|--------|--------|
+| E-Series: Volume | Queue Depth | timeseries | [Top $TopResources Volumes by Queue Depth Average](/d/eseries-volume/e-series3a-volume?orgId=1&viewPanel=44) |
+///
+
+
+
+### eseries_volume_queue_depth_max
+
+Maximum queue depth seen over the observation window
+
+
+| API    | Endpoint | Metric | Template |
+|--------|----------|--------|---------|
+| REST | `storage-systems/{array_id}/live-statistics` | `queueDepthMax` | conf/eseriesperf/11.80.0/volume.yaml |
+
+The `eseries_volume_queue_depth_max` metric is visualized in the following Grafana dashboards:
+
+/// html | div.grafana-table
+| Dashboard | Row | Type | Panel |
+|--------|----------|--------|--------|
+| E-Series: Volume | Queue Depth | timeseries | [Top $TopResources Volumes by Queue Depth Max](/d/eseries-volume/e-series3a-volume?orgId=1&viewPanel=45) |
+///
+
+
+
 ### eseries_volume_read_cache_hit_ratio
 
 Volume read cache hit ratio calculated from read hit operations and total read operations
diff --git a/docs/ontap-metrics.md b/docs/ontap-metrics.md
index de49c1610..a5c290adb 100644
--- a/docs/ontap-metrics.md
+++ b/docs/ontap-metrics.md
@@ -7,7 +7,7 @@ These can be generated on demand by running `bin/harvest grafana metrics`. See
 - More information about ONTAP REST performance counters can be found [here](https://docs.netapp.com/us-en/ontap-pcmap-9121/index.html).
 
 ```
-Creation Date : 2026-Apr-03
+Creation Date : 2026-Apr-08
 ONTAP Version: 9.16.1
 ```
 
diff --git a/docs/storagegrid-metrics.md b/docs/storagegrid-metrics.md
index 062771eff..3a39c760a 100644
--- a/docs/storagegrid-metrics.md
+++ b/docs/storagegrid-metrics.md
@@ -5,7 +5,7 @@ These can be generated on demand by running `bin/harvest grafana metrics`. See
 [#1577](https://github.com/NetApp/harvest/issues/1577#issue-1471478260) for details.
 
 ```
-Creation Date : 2026-Apr-03
+Creation Date : 2026-Apr-08
 StorageGrid Version: 11.6.0
 ```
 
diff --git a/grafana/dashboards/eseries/volume.json b/grafana/dashboards/eseries/volume.json
index e308abb46..a3f261a73 100644
--- a/grafana/dashboards/eseries/volume.json
+++ b/grafana/dashboards/eseries/volume.json
@@ -1,8 +1,9 @@
 {
+  "__elements": {},
   "__inputs": [
     {
       "description": "",
-      "label": "Prometheus",
+      "label": "prometheus",
       "name": "DS_PROMETHEUS",
       "pluginId": "prometheus",
       "pluginName": "Prometheus",
@@ -14,7 +15,7 @@
       "id": "grafana",
       "name": "Grafana",
       "type": "grafana",
-      "version": "8.1.8"
+      "version": "12.3.2"
     },
     {
       "id": "prometheus",
@@ -39,7 +40,9 @@
     "list": [
       {
         "builtIn": 1,
-        "datasource": "-- Grafana --",
+        "datasource": {
+          "uid": "-- Grafana --"
+        },
         "enable": true,
         "hide": true,
         "iconColor": "rgba(0, 211, 255, 1)",
@@ -54,12 +57,10 @@
       }
     ]
   },
-  "description": "",
   "editable": true,
-  "gnetId": null,
+  "fiscalYearStartMonth": 0,
   "graphTooltip": 1,
   "id": null,
-  "iteration": 1770277648441,
   "links": [
     {
       "asDropdown": true,
@@ -80,7 +81,6 @@
   "panels": [
     {
       "collapsed": false,
-      "datasource": "${DS_PROMETHEUS}",
       "gridPos": {
         "h": 1,
         "w": 24,
@@ -93,7 +93,10 @@
       "type": "row"
     },
     {
-      "datasource": "${DS_PROMETHEUS}",
+      "datasource": {
+        "type": "prometheus",
+        "uid": "${DS_PROMETHEUS}"
+      },
       "description": "Volume read latency.",
       "fieldConfig": {
         "defaults": {
@@ -101,9 +104,13 @@
             "mode": "palette-classic"
           },
           "custom": {
+            "axisBorderShow": false,
+            "axisCenteredZero": false,
+            "axisColorMode": "text",
             "axisLabel": "",
             "axisPlacement": "auto",
             "barAlignment": 0,
+            "barWidthFactor": 0.6,
             "drawStyle": "line",
             "fillOpacity": 10,
             "gradientMode": "none",
@@ -112,6 +119,7 @@
               "tooltip": false,
               "viz": false
             },
+            "insertNulls": false,
             "lineInterpolation": "linear",
             "lineWidth": 1,
             "pointSize": 5,
@@ -119,6 +127,7 @@
               "type": "linear"
             },
             "showPoints": "auto",
+            "showValues": false,
             "spanNulls": true,
             "stacking": {
               "group": "A",
@@ -134,7 +143,7 @@
             "steps": [
               {
                 "color": "green",
-                "value": null
+                "value": 0
               },
               {
                 "color": "red",
@@ -161,15 +170,22 @@
             "max"
           ],
           "displayMode": "table",
-          "placement": "bottom"
+          "placement": "bottom",
+          "showLegend": true
         },
         "tooltip": {
-          "mode": "single"
+          "hideZeros": false,
+          "mode": "single",
+          "sort": "none"
         }
       },
-      "pluginVersion": "8.1.8",
+      "pluginVersion": "12.3.2",
       "targets": [
         {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${DS_PROMETHEUS}"
+          },
           "exemplar": false,
           "expr": "eseries_volume_read_latency{array=~\"$Array\",datacenter=~\"$Datacenter\",volume=~\"$Volume\"}\nand on (datacenter, volume, array)\n  topk(\n    $TopResources,\n    max by (datacenter, volume, array) (\n      avg_over_time(\n        eseries_volume_read_latency{array=~\"$Array\",datacenter=~\"$Datacenter\",volume=~\"$Volume\"}[3h] @ end()\n      )\n    )\n  )",
           "interval": "",
@@ -177,14 +193,14 @@
           "refId": "A"
         }
       ],
-      "timeFrom": null,
-      "timeShift": null,
       "title": "Top $TopResources Volumes by Read Latency",
-      "transformations": [],
       "type": "timeseries"
     },
     {
-      "datasource": "${DS_PROMETHEUS}",
+      "datasource": {
+        "type": "prometheus",
+        "uid": "${DS_PROMETHEUS}"
+      },
       "description": "Volume write latency.",
       "fieldConfig": {
         "defaults": {
@@ -192,9 +208,13 @@
             "mode": "palette-classic"
           },
           "custom": {
+            "axisBorderShow": false,
+            "axisCenteredZero": false,
+            "axisColorMode": "text",
             "axisLabel": "",
             "axisPlacement": "auto",
             "barAlignment": 0,
+            "barWidthFactor": 0.6,
             "drawStyle": "line",
             "fillOpacity": 10,
             "gradientMode": "none",
@@ -203,6 +223,7 @@
               "tooltip": false,
               "viz": false
             },
+            "insertNulls": false,
             "lineInterpolation": "linear",
             "lineWidth": 1,
             "pointSize": 5,
@@ -210,6 +231,7 @@
               "type": "linear"
             },
             "showPoints": "auto",
+            "showValues": false,
             "spanNulls": true,
             "stacking": {
               "group": "A",
@@ -225,7 +247,7 @@
             "steps": [
               {
                 "color": "green",
-                "value": null
+                "value": 0
               },
               {
                 "color": "red",
@@ -252,15 +274,22 @@
             "max"
           ],
           "displayMode": "table",
-          "placement": "bottom"
+          "placement": "bottom",
+          "showLegend": true
         },
         "tooltip": {
-          "mode": "single"
+          "hideZeros": false,
+          "mode": "single",
+          "sort": "none"
         }
       },
-      "pluginVersion": "8.1.8",
+      "pluginVersion": "12.3.2",
       "targets": [
         {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${DS_PROMETHEUS}"
+          },
           "exemplar": false,
           "expr": "eseries_volume_write_latency{array=~\"$Array\",datacenter=~\"$Datacenter\",volume=~\"$Volume\"}\nand on (datacenter, volume, array)\n  topk(\n    $TopResources,\n    max by (datacenter, volume, array) (\n      avg_over_time(\n        eseries_volume_write_latency{array=~\"$Array\",datacenter=~\"$Datacenter\",volume=~\"$Volume\"}[3h] @ end()\n      )\n    )\n  )",
           "interval": "",
@@ -268,14 +297,14 @@
           "refId": "A"
         }
       ],
-      "timeFrom": null,
-      "timeShift": null,
       "title": "Top $TopResources Volumes by Write Latency",
-      "transformations": [],
       "type": "timeseries"
     },
     {
-      "datasource": "${DS_PROMETHEUS}",
+      "datasource": {
+        "type": "prometheus",
+        "uid": "${DS_PROMETHEUS}"
+      },
       "description": "Number of reads per second from the volume.",
       "fieldConfig": {
         "defaults": {
@@ -283,9 +312,13 @@
             "mode": "palette-classic"
           },
           "custom": {
+            "axisBorderShow": false,
+            "axisCenteredZero": false,
+            "axisColorMode": "text",
             "axisLabel": "",
             "axisPlacement": "auto",
             "barAlignment": 0,
+            "barWidthFactor": 0.6,
             "drawStyle": "line",
             "fillOpacity": 10,
             "gradientMode": "none",
@@ -294,6 +327,7 @@
               "tooltip": false,
               "viz": false
             },
+            "insertNulls": false,
             "lineInterpolation": "linear",
             "lineWidth": 1,
             "pointSize": 5,
@@ -301,6 +335,7 @@
               "type": "linear"
             },
             "showPoints": "auto",
+            "showValues": false,
             "spanNulls": true,
             "stacking": {
               "group": "A",
@@ -317,7 +352,7 @@
             "steps": [
               {
                 "color": "green",
-                "value": null
+                "value": 0
               },
               {
                 "color": "red",
@@ -344,15 +379,22 @@
             "max"
           ],
           "displayMode": "table",
-          "placement": "bottom"
+          "placement": "bottom",
+          "showLegend": true
         },
         "tooltip": {
-          "mode": "single"
+          "hideZeros": false,
+          "mode": "single",
+          "sort": "none"
         }
       },
-      "pluginVersion": "8.1.8",
+      "pluginVersion": "12.3.2",
       "targets": [
         {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${DS_PROMETHEUS}"
+          },
           "exemplar": false,
           "expr": "eseries_volume_read_ops{array=~\"$Array\",datacenter=~\"$Datacenter\",volume=~\"$Volume\"}\nand on (datacenter, volume, array)\n  topk(\n    $TopResources,\n    max by (datacenter, volume, array) (\n      avg_over_time(\n        eseries_volume_read_ops{array=~\"$Array\",datacenter=~\"$Datacenter\",volume=~\"$Volume\"}[3h] @ end()\n      )\n    )\n  )",
           "interval": "",
@@ -360,14 +402,14 @@
           "refId": "A"
         }
       ],
-      "timeFrom": null,
-      "timeShift": null,
       "title": "Top $TopResources Volumes by Read IOPs",
-      "transformations": [],
       "type": "timeseries"
     },
     {
-      "datasource": "${DS_PROMETHEUS}",
+      "datasource": {
+        "type": "prometheus",
+        "uid": "${DS_PROMETHEUS}"
+      },
       "description": "Number of writes per second to the volume.",
       "fieldConfig": {
         "defaults": {
@@ -375,9 +417,13 @@
             "mode": "palette-classic"
           },
           "custom": {
+            "axisBorderShow": false,
+            "axisCenteredZero": false,
+            "axisColorMode": "text",
             "axisLabel": "",
             "axisPlacement": "auto",
             "barAlignment": 0,
+            "barWidthFactor": 0.6,
             "drawStyle": "line",
             "fillOpacity": 10,
             "gradientMode": "none",
@@ -386,6 +432,7 @@
               "tooltip": false,
               "viz": false
             },
+            "insertNulls": false,
             "lineInterpolation": "linear",
             "lineWidth": 1,
             "pointSize": 5,
@@ -393,6 +440,7 @@
               "type": "linear"
             },
             "showPoints": "auto",
+            "showValues": false,
             "spanNulls": true,
             "stacking": {
               "group": "A",
@@ -409,7 +457,7 @@
             "steps": [
               {
                 "color": "green",
-                "value": null
+                "value": 0
               },
               {
                 "color": "red",
@@ -436,15 +484,22 @@
             "max"
           ],
           "displayMode": "table",
-          "placement": "bottom"
+          "placement": "bottom",
+          "showLegend": true
         },
         "tooltip": {
-          "mode": "single"
+          "hideZeros": false,
+          "mode": "single",
+          "sort": "none"
         }
       },
-      "pluginVersion": "8.1.8",
+      "pluginVersion": "12.3.2",
       "targets": [
         {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${DS_PROMETHEUS}"
+          },
           "exemplar": false,
           "expr": "eseries_volume_write_ops{array=~\"$Array\",datacenter=~\"$Datacenter\",volume=~\"$Volume\"}\nand on (datacenter, volume, array)\n  topk(\n    $TopResources,\n    max by (datacenter, volume, array) (\n      avg_over_time(\n        eseries_volume_write_ops{array=~\"$Array\",datacenter=~\"$Datacenter\",volume=~\"$Volume\"}[3h] @ end()\n      )\n    )\n  )",
           "interval": "",
@@ -452,14 +507,14 @@
           "refId": "A"
         }
       ],
-      "timeFrom": null,
-      "timeShift": null,
       "title": "Top $TopResources Volumes by Write IOPs",
-      "transformations": [],
       "type": "timeseries"
     },
     {
-      "datasource": "${DS_PROMETHEUS}",
+      "datasource": {
+        "type": "prometheus",
+        "uid": "${DS_PROMETHEUS}"
+      },
       "description": "Bytes read per second from the volume.",
       "fieldConfig": {
         "defaults": {
@@ -467,9 +522,13 @@
             "mode": "palette-classic"
           },
           "custom": {
+            "axisBorderShow": false,
+            "axisCenteredZero": false,
+            "axisColorMode": "text",
             "axisLabel": "",
             "axisPlacement": "auto",
             "barAlignment": 0,
+            "barWidthFactor": 0.6,
             "drawStyle": "line",
             "fillOpacity": 10,
             "gradientMode": "none",
@@ -478,6 +537,7 @@
               "tooltip": false,
               "viz": false
             },
+            "insertNulls": false,
             "lineInterpolation": "linear",
             "lineWidth": 1,
             "pointSize": 5,
@@ -485,6 +545,7 @@
               "type": "linear"
             },
             "showPoints": "auto",
+            "showValues": false,
             "spanNulls": true,
             "stacking": {
               "group": "A",
@@ -500,7 +561,7 @@
             "steps": [
               {
                 "color": "green",
-                "value": null
+                "value": 0
               },
               {
                 "color": "red",
@@ -527,15 +588,22 @@
             "max"
           ],
           "displayMode": "table",
-          "placement": "bottom"
+          "placement": "bottom",
+          "showLegend": true
         },
         "tooltip": {
-          "mode": "single"
+          "hideZeros": false,
+          "mode": "single",
+          "sort": "none"
         }
       },
-      "pluginVersion": "8.1.8",
+      "pluginVersion": "12.3.2",
       "targets": [
         {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${DS_PROMETHEUS}"
+          },
           "exemplar": false,
           "expr": "eseries_volume_read_data{array=~\"$Array\",datacenter=~\"$Datacenter\",volume=~\"$Volume\"}\nand on (datacenter, volume, array)\n  topk(\n    $TopResources,\n    max by (datacenter, volume, array) (\n      avg_over_time(\n        eseries_volume_read_data{array=~\"$Array\",datacenter=~\"$Datacenter\",volume=~\"$Volume\"}[3h] @ end()\n      )\n    )\n  )",
           "interval": "",
@@ -544,14 +612,14 @@
           "refId": "A"
         }
       ],
-      "timeFrom": null,
-      "timeShift": null,
       "title": "Top $TopResources Volumes by Read Throughput",
-      "transformations": [],
       "type": "timeseries"
     },
     {
-      "datasource": "${DS_PROMETHEUS}",
+      "datasource": {
+        "type": "prometheus",
+        "uid": "${DS_PROMETHEUS}"
+      },
       "description": "Bytes written per second to the volume.",
       "fieldConfig": {
         "defaults": {
@@ -559,9 +627,13 @@
             "mode": "palette-classic"
           },
           "custom": {
+            "axisBorderShow": false,
+            "axisCenteredZero": false,
+            "axisColorMode": "text",
             "axisLabel": "",
             "axisPlacement": "auto",
             "barAlignment": 0,
+            "barWidthFactor": 0.6,
             "drawStyle": "line",
             "fillOpacity": 10,
             "gradientMode": "none",
@@ -570,6 +642,7 @@
               "tooltip": false,
               "viz": false
             },
+            "insertNulls": false,
             "lineInterpolation": "linear",
             "lineWidth": 1,
             "pointSize": 5,
@@ -577,6 +650,7 @@
               "type": "linear"
             },
             "showPoints": "auto",
+            "showValues": false,
             "spanNulls": true,
             "stacking": {
               "group": "A",
@@ -592,7 +666,7 @@
             "steps": [
               {
                 "color": "green",
-                "value": null
+                "value": 0
               },
               {
                 "color": "red",
@@ -619,15 +693,22 @@
             "max"
           ],
           "displayMode": "table",
-          "placement": "bottom"
+          "placement": "bottom",
+          "showLegend": true
         },
         "tooltip": {
-          "mode": "single"
+          "hideZeros": false,
+          "mode": "single",
+          "sort": "none"
         }
       },
-      "pluginVersion": "8.1.8",
+      "pluginVersion": "12.3.2",
       "targets": [
         {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${DS_PROMETHEUS}"
+          },
           "exemplar": false,
           "expr": "eseries_volume_write_data{array=~\"$Array\",datacenter=~\"$Datacenter\",volume=~\"$Volume\"}\nand on (datacenter, volume, array)\n  topk(\n    $TopResources,\n    max by (datacenter, volume, array) (\n      avg_over_time(\n        eseries_volume_write_data{array=~\"$Array\",datacenter=~\"$Datacenter\",volume=~\"$Volume\"}[3h] @ end()\n      )\n    )\n  )",
           "interval": "",
@@ -635,31 +716,137 @@
           "refId": "A"
         }
       ],
-      "timeFrom": null,
-      "timeShift": null,
       "title": "Top $TopResources Volumes by Write Throughput",
-      "transformations": [],
+      "type": "timeseries"
+    },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "${DS_PROMETHEUS}"
+      },
+      "description": "Number of other I/O operations per second to the volume.",
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "palette-classic"
+          },
+          "custom": {
+            "axisBorderShow": false,
+            "axisCenteredZero": false,
+            "axisColorMode": "text",
+            "axisLabel": "",
+            "axisPlacement": "auto",
+            "barAlignment": 0,
+            "barWidthFactor": 0.6,
+            "drawStyle": "line",
+            "fillOpacity": 10,
+            "gradientMode": "none",
+            "hideFrom": {
+              "legend": false,
+              "tooltip": false,
+              "viz": false
+            },
+            "insertNulls": false,
+            "lineInterpolation": "linear",
+            "lineWidth": 1,
+            "pointSize": 5,
+            "scaleDistribution": {
+              "type": "linear"
+            },
+            "showPoints": "auto",
+            "showValues": false,
+            "spanNulls": true,
+            "stacking": {
+              "group": "A",
+              "mode": "none"
+            },
+            "thresholdsStyle": {
+              "mode": "off"
+            }
+          },
+          "decimals": 0,
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "green",
+                "value": 0
+              },
+              {
+                "color": "red",
+                "value": 80
+              }
+            ]
+          },
+          "unit": "iops"
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 12,
+        "w": 12,
+        "x": 0,
+        "y": 37
+      },
+      "id": 46,
+      "options": {
+        "legend": {
+          "calcs": [
+            "mean",
+            "lastNotNull",
+            "max"
+          ],
+          "displayMode": "table",
+          "placement": "bottom",
+          "showLegend": true
+        },
+        "tooltip": {
+          "hideZeros": false,
+          "mode": "single",
+          "sort": "none"
+        }
+      },
+      "pluginVersion": "12.3.2",
+      "targets": [
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${DS_PROMETHEUS}"
+          },
+          "exemplar": false,
+          "expr": "eseries_volume_other_ops{array=~\"$Array\",datacenter=~\"$Datacenter\",volume=~\"$Volume\"}\nand on (datacenter, volume, array)\n  topk(\n    $TopResources,\n    max by (datacenter, volume, array) (\n      avg_over_time(\n        eseries_volume_other_ops{array=~\"$Array\",datacenter=~\"$Datacenter\",volume=~\"$Volume\"}[3h] @ end()\n      )\n    )\n  )",
+          "interval": "",
+          "legendFormat": "{{array}} - {{volume}}",
+          "refId": "A"
+        }
+      ],
+      "title": "Top $TopResources Volumes by Other IOPs",
       "type": "timeseries"
     },
     {
       "collapsed": true,
-      "datasource": "${DS_PROMETHEUS}",
       "gridPos": {
         "h": 1,
         "w": 24,
         "x": 0,
-        "y": 37
+        "y": 49
       },
       "id": 37,
       "panels": [
         {
-          "datasource": "${DS_PROMETHEUS}",
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${DS_PROMETHEUS}"
+          },
           "description": "Volume details.",
           "fieldConfig": {
             "defaults": {
               "custom": {
                 "align": "left",
-                "displayMode": "auto",
+                "cellOptions": {
+                  "type": "auto"
+                },
                 "filterable": true
               },
               "mappings": [],
@@ -667,8 +854,7 @@
                 "mode": "absolute",
                 "steps": [
                   {
-                    "color": "rgb(31, 176, 196)",
-                    "value": null
+                    "color": "rgb(31, 176, 196)"
                   }
                 ]
               },
@@ -760,6 +946,10 @@
           "pluginVersion": "8.1.8",
           "targets": [
             {
+              "datasource": {
+                "type": "prometheus",
+                "uid": "${DS_PROMETHEUS}"
+              },
               "exemplar": false,
               "expr": "label_join(\n  eseries_volume_labels{array=~\"$Array\",datacenter=~\"$Datacenter\",volume=~\"$Volume\"},\n  \"unique_id\",\n  \"-\",\n  \"datacenter\",\n  \"array\",\n  \"volume\"\n)",
               "format": "table",
@@ -770,6 +960,10 @@
               "refId": "B"
             },
             {
+              "datasource": {
+                "type": "prometheus",
+                "uid": "${DS_PROMETHEUS}"
+              },
               "exemplar": false,
               "expr": "label_join(\n  eseries_volume_allocated_capacity{array=~\"$Array\",datacenter=~\"$Datacenter\",volume=~\"$Volume\"},\n  \"unique_id\",\n  \"-\",\n  \"datacenter\",\n  \"array\",\n  \"volume\"\n)",
               "format": "table",
@@ -781,6 +975,10 @@
               "refId": "A"
             },
             {
+              "datasource": {
+                "type": "prometheus",
+                "uid": "${DS_PROMETHEUS}"
+              },
               "exemplar": false,
               "expr": "label_join(\n  eseries_volume_reported_capacity{array=~\"$Array\",datacenter=~\"$Datacenter\",volume=~\"$Volume\"},\n  \"unique_id\",\n  \"-\",\n  \"datacenter\",\n  \"array\",\n  \"volume\"\n)",
               "format": "table",
@@ -792,6 +990,10 @@
               "refId": "C"
             },
             {
+              "datasource": {
+                "type": "prometheus",
+                "uid": "${DS_PROMETHEUS}"
+              },
               "exemplar": false,
               "expr": "label_join(\n  eseries_volume_block_size{array=~\"$Array\",datacenter=~\"$Datacenter\",volume=~\"$Volume\"},\n  \"unique_id\",\n  \"-\",\n  \"datacenter\",\n  \"array\",\n  \"volume\"\n)",
               "format": "table",
@@ -803,8 +1005,6 @@
               "refId": "D"
             }
           ],
-          "timeFrom": null,
-          "timeShift": null,
           "title": "Volumes",
           "transformations": [
             {
@@ -913,17 +1113,19 @@
     },
     {
       "collapsed": true,
-      "datasource": "${DS_PROMETHEUS}",
       "gridPos": {
         "h": 1,
         "w": 24,
         "x": 0,
-        "y": 38
+        "y": 50
       },
       "id": 39,
       "panels": [
         {
-          "datasource": "${DS_PROMETHEUS}",
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${DS_PROMETHEUS}"
+          },
           "description": "Percentage of read requests served from cache.",
           "fieldConfig": {
             "defaults": {
@@ -966,8 +1168,7 @@
                 "mode": "absolute",
                 "steps": [
                   {
-                    "color": "green",
-                    "value": null
+                    "color": "green"
                   },
                   {
                     "color": "red",
@@ -994,7 +1195,8 @@
                 "max"
               ],
               "displayMode": "table",
-              "placement": "bottom"
+              "placement": "bottom",
+              "showLegend": true
             },
             "tooltip": {
               "mode": "single"
@@ -1003,6 +1205,10 @@
           "pluginVersion": "8.1.8",
           "targets": [
             {
+              "datasource": {
+                "type": "prometheus",
+                "uid": "${DS_PROMETHEUS}"
+              },
               "exemplar": false,
               "expr": "eseries_volume_read_cache_hit_ratio{array=~\"$Array\",datacenter=~\"$Datacenter\",volume=~\"$Volume\"}\nand on (datacenter, volume, array)\n  topk(\n    $TopResources,\n    max by (datacenter, volume, array) (\n      avg_over_time(\n        eseries_volume_read_cache_hit_ratio{array=~\"$Array\",datacenter=~\"$Datacenter\",volume=~\"$Volume\"}[3h] @ end()\n      )\n    )\n  )",
               "interval": "",
@@ -1010,14 +1216,14 @@
               "refId": "A"
             }
           ],
-          "timeFrom": null,
-          "timeShift": null,
           "title": "Top $TopResources Volumes by Read Cache Hit Ratio",
-          "transformations": [],
           "type": "timeseries"
         },
         {
-          "datasource": "${DS_PROMETHEUS}",
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${DS_PROMETHEUS}"
+          },
           "description": "Percentage of write requests served from cache.",
           "fieldConfig": {
             "defaults": {
@@ -1060,8 +1266,7 @@
                 "mode": "absolute",
                 "steps": [
                   {
-                    "color": "green",
-                    "value": null
+                    "color": "green"
                   },
                   {
                     "color": "red",
@@ -1088,7 +1293,8 @@
                 "max"
               ],
               "displayMode": "table",
-              "placement": "bottom"
+              "placement": "bottom",
+              "showLegend": true
             },
             "tooltip": {
               "mode": "single"
@@ -1097,6 +1303,10 @@
           "pluginVersion": "8.1.8",
           "targets": [
             {
+              "datasource": {
+                "type": "prometheus",
+                "uid": "${DS_PROMETHEUS}"
+              },
               "exemplar": false,
               "expr": "eseries_volume_write_cache_hit_ratio{array=~\"$Array\",datacenter=~\"$Datacenter\",volume=~\"$Volume\"}\nand on (datacenter, volume, array)\n  topk(\n    $TopResources,\n    max by (datacenter, volume, array) (\n      avg_over_time(\n        eseries_volume_write_cache_hit_ratio{array=~\"$Array\",datacenter=~\"$Datacenter\",volume=~\"$Volume\"}[3h] @ end()\n      )\n    )\n  )",
               "interval": "",
@@ -1104,14 +1314,14 @@
               "refId": "A"
             }
           ],
-          "timeFrom": null,
-          "timeShift": null,
           "title": "Top $TopResources Volumes by Write Cache Hit Ratio",
-          "transformations": [],
           "type": "timeseries"
         },
         {
-          "datasource": "${DS_PROMETHEUS}",
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${DS_PROMETHEUS}"
+          },
           "description": "Percentage of total requests served from cache.",
           "fieldConfig": {
             "defaults": {
@@ -1154,8 +1364,7 @@
                 "mode": "absolute",
                 "steps": [
                   {
-                    "color": "green",
-                    "value": null
+                    "color": "green"
                   },
                   {
                     "color": "red",
@@ -1182,7 +1391,8 @@
                 "max"
               ],
               "displayMode": "table",
-              "placement": "bottom"
+              "placement": "bottom",
+              "showLegend": true
             },
             "tooltip": {
               "mode": "single"
@@ -1191,6 +1401,10 @@
           "pluginVersion": "8.1.8",
           "targets": [
             {
+              "datasource": {
+                "type": "prometheus",
+                "uid": "${DS_PROMETHEUS}"
+              },
               "exemplar": false,
               "expr": "eseries_volume_total_cache_hit_ratio{array=~\"$Array\",datacenter=~\"$Datacenter\",volume=~\"$Volume\"}\nand on (datacenter, volume, array)\n  topk(\n    $TopResources,\n    max by (datacenter, volume, array) (\n      avg_over_time(\n        eseries_volume_total_cache_hit_ratio{array=~\"$Array\",datacenter=~\"$Datacenter\",volume=~\"$Volume\"}[3h] @ end()\n      )\n    )\n  )",
               "interval": "",
@@ -1198,20 +1412,223 @@
               "refId": "A"
             }
           ],
-          "timeFrom": null,
-          "timeShift": null,
           "title": "Top $TopResources Volumes by Total Cache Hit Ratio",
-          "transformations": [],
           "type": "timeseries"
         }
       ],
       "title": "Cache",
       "type": "row"
+    },
+    {
+      "collapsed": true,
+      "gridPos": {
+        "h": 1,
+        "w": 24,
+        "x": 0,
+        "y": 51
+      },
+      "id": 43,
+      "panels": [
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${DS_PROMETHEUS}"
+          },
+          "description": "Average queue depth per I/O operation.",
+          "fieldConfig": {
+            "defaults": {
+              "color": {
+                "mode": "palette-classic"
+              },
+              "custom": {
+                "axisLabel": "",
+                "axisPlacement": "auto",
+                "barAlignment": 0,
+                "drawStyle": "line",
+                "fillOpacity": 10,
+                "gradientMode": "none",
+                "hideFrom": {
+                  "legend": false,
+                  "tooltip": false,
+                  "viz": false
+                },
+                "lineInterpolation": "linear",
+                "lineWidth": 1,
+                "pointSize": 5,
+                "scaleDistribution": {
+                  "type": "linear"
+                },
+                "showPoints": "auto",
+                "spanNulls": true,
+                "stacking": {
+                  "group": "A",
+                  "mode": "none"
+                },
+                "thresholdsStyle": {
+                  "mode": "off"
+                }
+              },
+              "decimals": 2,
+              "mappings": [],
+              "thresholds": {
+                "mode": "absolute",
+                "steps": [
+                  {
+                    "color": "green"
+                  },
+                  {
+                    "color": "red",
+                    "value": 80
+                  }
+                ]
+              },
+              "unit": "short"
+            },
+            "overrides": []
+          },
+          "gridPos": {
+            "h": 12,
+            "w": 12,
+            "x": 0,
+            "y": 39
+          },
+          "id": 44,
+          "options": {
+            "legend": {
+              "calcs": [
+                "mean",
+                "lastNotNull",
+                "max"
+              ],
+              "displayMode": "table",
+              "placement": "bottom",
+              "showLegend": true
+            },
+            "tooltip": {
+              "mode": "single"
+            }
+          },
+          "pluginVersion": "8.1.8",
+          "targets": [
+            {
+              "datasource": {
+                "type": "prometheus",
+                "uid": "${DS_PROMETHEUS}"
+              },
+              "exemplar": false,
+              "expr": "eseries_volume_queue_depth_average{array=~\"$Array\",datacenter=~\"$Datacenter\",volume=~\"$Volume\"}\nand on (datacenter, volume, array)\n  topk(\n    $TopResources,\n    max by (datacenter, volume, array) (\n      avg_over_time(\n        eseries_volume_queue_depth_average{array=~\"$Array\",datacenter=~\"$Datacenter\",volume=~\"$Volume\"}[3h] @ end()\n      )\n    )\n  )",
+              "interval": "",
+              "legendFormat": "{{array}} - {{volume}}",
+              "refId": "A"
+            }
+          ],
+          "title": "Top $TopResources Volumes by Queue Depth Average",
+          "type": "timeseries"
+        },
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${DS_PROMETHEUS}"
+          },
+          "description": "Maximum queue depth seen over the observation window.",
+          "fieldConfig": {
+            "defaults": {
+              "color": {
+                "mode": "palette-classic"
+              },
+              "custom": {
+                "axisLabel": "",
+                "axisPlacement": "auto",
+                "barAlignment": 0,
+                "drawStyle": "line",
+                "fillOpacity": 10,
+                "gradientMode": "none",
+                "hideFrom": {
+                  "legend": false,
+                  "tooltip": false,
+                  "viz": false
+                },
+                "lineInterpolation": "linear",
+                "lineWidth": 1,
+                "pointSize": 5,
+                "scaleDistribution": {
+                  "type": "linear"
+                },
+                "showPoints": "auto",
+                "spanNulls": true,
+                "stacking": {
+                  "group": "A",
+                  "mode": "none"
+                },
+                "thresholdsStyle": {
+                  "mode": "off"
+                }
+              },
+              "decimals": 0,
+              "mappings": [],
+              "thresholds": {
+                "mode": "absolute",
+                "steps": [
+                  {
+                    "color": "green"
+                  },
+                  {
+                    "color": "red",
+                    "value": 80
+                  }
+                ]
+              },
+              "unit": "short"
+            },
+            "overrides": []
+          },
+          "gridPos": {
+            "h": 12,
+            "w": 12,
+            "x": 12,
+            "y": 39
+          },
+          "id": 45,
+          "options": {
+            "legend": {
+              "calcs": [
+                "mean",
+                "lastNotNull",
+                "max"
+              ],
+              "displayMode": "table",
+              "placement": "bottom",
+              "showLegend": true
+            },
+            "tooltip": {
+              "mode": "single"
+            }
+          },
+          "pluginVersion": "8.1.8",
+          "targets": [
+            {
+              "datasource": {
+                "type": "prometheus",
+                "uid": "${DS_PROMETHEUS}"
+              },
+              "exemplar": false,
+              "expr": "eseries_volume_queue_depth_max{array=~\"$Array\",datacenter=~\"$Datacenter\",volume=~\"$Volume\"}\nand on (datacenter, volume, array)\n  topk(\n    $TopResources,\n    max by (datacenter, volume, array) (\n      avg_over_time(\n        eseries_volume_queue_depth_max{array=~\"$Array\",datacenter=~\"$Datacenter\",volume=~\"$Volume\"}[3h] @ end()\n      )\n    )\n  )",
+              "interval": "",
+              "legendFormat": "{{array}} - {{volume}}",
+              "refId": "A"
+            }
+          ],
+          "title": "Top $TopResources Volumes by Queue Depth Max",
+          "type": "timeseries"
+        }
+      ],
+      "title": "Queue Depth",
+      "type": "row"
     }
   ],
+  "preload": false,
   "refresh": "",
-  "schemaVersion": 30,
-  "style": "dark",
+  "schemaVersion": 42,
   "tags": [
     "harvest",
     "eseries"
@@ -1219,35 +1636,26 @@
   "templating": {
     "list": [
       {
-        "current": {
-          "selected": false,
-          "text": "Prometheus",
-          "value": "Prometheus"
-        },
-        "description": null,
-        "error": null,
+        "current": {},
         "hide": 2,
         "includeAll": false,
         "label": "Data Source",
-        "multi": false,
         "name": "DS_PROMETHEUS",
         "options": [],
         "query": "prometheus",
-        "refresh": 2,
+        "refresh": 1,
         "regex": "",
-        "skipUrlSync": false,
         "type": "datasource"
       },
       {
         "allValue": ".*",
         "current": {},
-        "datasource": "${DS_PROMETHEUS}",
+        "datasource": {
+          "type": "prometheus",
+          "uid": "${DS_PROMETHEUS}"
+        },
         "definition": "label_values(eseries_array_labels, datacenter)",
-        "description": null,
-        "error": null,
-        "hide": 0,
         "includeAll": true,
-        "label": null,
         "multi": true,
         "name": "Datacenter",
         "options": [],
@@ -1257,23 +1665,18 @@
         },
         "refresh": 2,
         "regex": "",
-        "skipUrlSync": false,
         "sort": 7,
-        "tagValuesQuery": "",
-        "tagsQuery": "",
-        "type": "query",
-        "useTags": false
+        "type": "query"
       },
       {
         "allValue": ".*",
         "current": {},
-        "datasource": "${DS_PROMETHEUS}",
+        "datasource": {
+          "type": "prometheus",
+          "uid": "${DS_PROMETHEUS}"
+        },
         "definition": "label_values(eseries_array_labels{datacenter=~\"$Datacenter\"}, array)",
-        "description": null,
-        "error": null,
-        "hide": 0,
         "includeAll": true,
-        "label": null,
         "multi": true,
         "name": "Array",
         "options": [],
@@ -1283,23 +1686,18 @@
         },
         "refresh": 2,
         "regex": "",
-        "skipUrlSync": false,
         "sort": 7,
-        "tagValuesQuery": "",
-        "tagsQuery": "",
-        "type": "query",
-        "useTags": false
+        "type": "query"
       },
       {
         "allValue": ".*",
         "current": {},
-        "datasource": "${DS_PROMETHEUS}",
+        "datasource": {
+          "type": "prometheus",
+          "uid": "${DS_PROMETHEUS}"
+        },
         "definition": "label_values(eseries_volume_labels{datacenter=~\"$Datacenter\",array=~\"$Array\"}, volume)",
-        "description": null,
-        "error": null,
-        "hide": 0,
         "includeAll": true,
-        "label": null,
         "multi": true,
         "name": "Volume",
         "options": [],
@@ -1309,26 +1707,15 @@
         },
         "refresh": 2,
         "regex": "",
-        "skipUrlSync": false,
         "sort": 7,
-        "tagValuesQuery": "",
-        "tagsQuery": "",
-        "type": "query",
-        "useTags": false
+        "type": "query"
       },
       {
-        "allValue": null,
         "current": {
-          "selected": true,
           "text": "5",
           "value": "5"
         },
-        "description": null,
-        "error": null,
-        "hide": 0,
         "includeAll": false,
-        "label": null,
-        "multi": false,
         "name": "TopResources",
         "options": [
           {
@@ -1403,8 +1790,6 @@
           }
         ],
         "query": "1,2,3,4,5,6,8,10,15,25,50,100,250,500",
-        "queryValue": "",
-        "skipUrlSync": false,
         "type": "custom"
       }
     ]
@@ -1429,5 +1814,6 @@
   "timezone": "",
   "title": "E-Series: Volume",
   "uid": "eseries-volume",
-  "version": 1
+  "version": 1,
+  "weekStart": ""
 }
diff --git a/mcp/metadata/eseries_metrics.json b/mcp/metadata/eseries_metrics.json
index 6c88cd682..e2e04f574 100644
--- a/mcp/metadata/eseries_metrics.json
+++ b/mcp/metadata/eseries_metrics.json
@@ -75,6 +75,9 @@
   "eseries_volume_allocated_capacity": "Allocated capacity of the volume in bytes",
   "eseries_volume_block_size": "Block size of the volume in bytes",
   "eseries_volume_labels": "This metric provides information about volumes.",
+  "eseries_volume_other_ops": "Volume other I/O operations per second",
+  "eseries_volume_queue_depth_average": "Average queue depth per I/O operation",
+  "eseries_volume_queue_depth_max": "Maximum queue depth seen over the observation window",
   "eseries_volume_read_cache_hit_ratio": "Volume read cache hit ratio calculated from read hit operations and total read operations",
   "eseries_volume_read_data": "Volume read data throughput in bytes per second",
   "eseries_volume_read_hit_ops": "Number of read operations that hit cache",