diff --git a/hadoop-ozone/recon/src/main/java/org/apache/hadoop/ozone/recon/api/StorageDistributionEndpoint.java b/hadoop-ozone/recon/src/main/java/org/apache/hadoop/ozone/recon/api/StorageDistributionEndpoint.java
index c10e53211145..de72041e2ddc 100644
--- a/hadoop-ozone/recon/src/main/java/org/apache/hadoop/ozone/recon/api/StorageDistributionEndpoint.java
+++ b/hadoop-ozone/recon/src/main/java/org/apache/hadoop/ozone/recon/api/StorageDistributionEndpoint.java
@@ -97,7 +97,7 @@ public StorageDistributionEndpoint(OzoneStorageContainerManager reconSCM,
   public Response getStorageDistribution() {
     try {
       List<DatanodeStorageReport> nodeStorageReports = collectDatanodeReports();
-      GlobalStorageReport globalStorageReport = calculateGlobalStorageReport();
+      GlobalStorageReport globalStorageReport = calculateGlobalStorageReport(nodeStorageReports);
       OpenKeyBytesInfo totalOpenKeySize;
       try {
         totalOpenKeySize = calculateOpenKeySizes();
@@ -221,28 +221,37 @@ public Response downloadDataNodeStorageDistribution() {
     return ReconUtils.downloadCsv("datanode_storage_and_pending_deletion_stats.csv", headers, data, columns);
   }
 
-  private GlobalStorageReport calculateGlobalStorageReport() {
-    GlobalStorageReport.Builder globalStorageBuilder = GlobalStorageReport.newBuilder();
-    try {
-      SCMNodeStat stats = nodeManager.getStats();
-      if (stats == null) {
-        LOG.warn("Node manager stats are null, returning default values");
-        return globalStorageBuilder.build();
-      }
-
-      return globalStorageBuilder
-          .setTotalOzoneCapacity(stats.getCapacity() != null ? stats.getCapacity().get() : 0L)
-          .setTotalReservedSpace(stats.getReserved() != null ? stats.getReserved().get() : 0L)
-          .setTotalOzoneFreeSpace(stats.getRemaining() != null ? stats.getRemaining().get() : 0L)
-          .setTotalOzoneUsedSpace(stats.getScmUsed() != null ? stats.getScmUsed().get() : 0L)
-          .setTotalOzoneCommittedSpace(stats.getCommitted() != null ? stats.getCommitted().get() : 0L)
-          .setTotalMinimumFreeSpace(stats.getFreeSpaceToSpare() != null ? stats.getFreeSpaceToSpare().get() : 0L)
-          .build();
-
-    } catch (Exception e) {
-      LOG.error("Error calculating global storage report", e);
-      return globalStorageBuilder.build();
+  /**
+   * Aggregates the global storage report by summing fields from the already-collected
+   * per-DN list. This guarantees that {@code globalStorage} and {@code dataNodeUsage}
+   * always reflect the same in-memory snapshot, eliminating the race window that existed
+   * when a separate {@code nodeManager.getStats()} call was made after the DN list was read.
+   */
+  private GlobalStorageReport calculateGlobalStorageReport(List<DatanodeStorageReport> reports) {
+    long capacity = 0L;
+    long used = 0L;
+    long remaining = 0L;
+    long committed = 0L;
+    long minFreeSpace = 0L;
+    long reserved = 0L;
+
+    for (DatanodeStorageReport report : reports) {
+      capacity += report.getCapacity();
+      used += report.getUsed();
+      remaining += report.getRemaining();
+      committed += report.getCommitted();
+      minFreeSpace += report.getMinimumFreeSpace();
+      reserved += report.getReserved();
     }
+
+    return GlobalStorageReport.newBuilder()
+        .setTotalOzoneCapacity(capacity)
+        .setTotalReservedSpace(reserved)
+        .setTotalOzoneFreeSpace(remaining)
+        .setTotalOzoneUsedSpace(used)
+        .setTotalOzoneCommittedSpace(committed)
+        .setTotalMinimumFreeSpace(minFreeSpace)
+        .build();
   }
 
   private Map<String, Long> calculateNamespaceMetrics(OpenKeyBytesInfo totalOpenKeySize) throws IOException {
diff --git a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestStorageDistributionEndpoint.java b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestStorageDistributionEndpoint.java
index 8406ba3062d8..8d21c2465a8f 100644
--- a/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestStorageDistributionEndpoint.java
+++ b/hadoop-ozone/recon/src/test/java/org/apache/hadoop/ozone/recon/api/TestStorageDistributionEndpoint.java
@@ -39,8 +39,8 @@
 import org.apache.hadoop.hdds.fs.SpaceUsageSource;
 import org.apache.hadoop.hdds.protocol.DatanodeDetails;
 import org.apache.hadoop.hdds.scm.container.placement.metrics.SCMNodeMetric;
-import org.apache.hadoop.hdds.scm.container.placement.metrics.SCMNodeStat;
 import org.apache.hadoop.hdds.scm.node.DatanodeInfo;
+import org.apache.hadoop.hdds.scm.node.NodeStatus;
 import org.apache.hadoop.hdds.scm.server.OzoneStorageContainerManager;
 import org.apache.hadoop.ozone.recon.api.types.DUResponse;
 import org.apache.hadoop.ozone.recon.api.types.DataNodeMetricsServiceResponse;
@@ -225,7 +225,7 @@ private List<String> mockStorageDistributionData(int numNodes) throws Exception
           .build();
       pendingDeletionMetrics.add(new DatanodePendingDeletionMetrics(hostName,
           uuid.toString(), PENDING_DELETION_SIZE));
-      dataNodes.add(new DatanodeInfo(datanode, null, null));
+      dataNodes.add(new DatanodeInfo(datanode, NodeStatus.inServiceHealthy(), null));
       when(nodeManager.getNodeStat(datanode))
           .thenReturn(new SCMNodeMetric(OZONE_CAPACITY, OZONE_USED, OZONE_REMAINING, COMMITTED,
               MIN_FREE_SPACE, RESERVED));
@@ -248,14 +248,6 @@ private List<String> mockStorageDistributionData(int numNodes) throws Exception
 
     }
     when(nodeManager.getAllNodes()).thenReturn(dataNodes);
-    when(nodeManager.getStats())
-        .thenReturn(new SCMNodeStat(
-          OZONE_CAPACITY * numNodes,
-            OZONE_USED * numNodes,
-            OZONE_REMAINING * numNodes,
-            COMMITTED * numNodes,
-            MIN_FREE_SPACE * numNodes,
-            RESERVED * numNodes));
 
 
     Map<String, Long> pendingSizes = new HashMap<>();