diff --git a/.github/workflows/ec-integration-tests.yml b/.github/workflows/ec-integration-tests.yml
index 7a6188886..d8d8fdfd3 100644
--- a/.github/workflows/ec-integration-tests.yml
+++ b/.github/workflows/ec-integration-tests.yml
@@ -33,9 +33,29 @@ jobs:
       run: |
         go test -v
 
+    - name: Collect server logs on failure
+      if: failure()
+      run: |
+        echo "Collecting server logs from temp directories..."
+        mkdir -p /tmp/ec-test-logs
+        # Find all temp directories created by the tests (they persist on failure with t.TempDir())
+        find /tmp -maxdepth 1 -type d \( -name "TestEC*" -o -name "TestDisk*" -o -name "TestCross*" -o -name "TestEvacuation*" \) 2>/dev/null | while read dir; do
+          if [ -d "$dir" ]; then
+            echo "Found test directory: $dir"
+            # Copy the entire directory structure to preserve organization
+            cp -r "$dir" /tmp/ec-test-logs/ 2>/dev/null || true
+          fi
+        done
+        # List what we collected
+        echo "Collected logs:"
+        find /tmp/ec-test-logs -type f -name "*.log" 2>/dev/null || echo "No logs found"
+
     - name: Archive logs
       if: failure()
       uses: actions/upload-artifact@v6
       with:
         name: ec-integration-test-logs
-        path: test/erasure_coding
\ No newline at end of file
+        path: |
+          /tmp/ec-test-logs/
+          test/erasure_coding/
+        if-no-files-found: warn
\ No newline at end of file
diff --git a/test/erasure_coding/ec_integration_test.go b/test/erasure_coding/ec_integration_test.go
index 25693cb75..f42e586cc 100644
--- a/test/erasure_coding/ec_integration_test.go
+++ b/test/erasure_coding/ec_integration_test.go
@@ -33,9 +33,8 @@ func TestECEncodingVolumeLocationTimingBug(t *testing.T) {
 	}
 
 	// Create temporary directory for test data
-	testDir, err := os.MkdirTemp("", "seaweedfs_ec_integration_test_")
-	require.NoError(t, err)
-	defer os.RemoveAll(testDir)
+	// Using t.TempDir() automatically preserves logs when tests fail
+	testDir := t.TempDir()
 
 	// Start SeaweedFS cluster with multiple volume servers
 	ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second)
@@ -244,9 +243,8 @@ func TestECEncodingMasterTimingRaceCondition(t *testing.T) {
 	}
 
 	// Create temporary directory for test data
-	testDir, err := os.MkdirTemp("", "seaweedfs_ec_race_test_")
-	require.NoError(t, err)
-	defer os.RemoveAll(testDir)
+	// Using t.TempDir() automatically preserves logs when tests fail
+	testDir := t.TempDir()
 
 	// Start SeaweedFS cluster
 	ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second)
@@ -783,9 +781,8 @@ func TestDiskAwareECRebalancing(t *testing.T) {
 		t.Skip("Skipping disk-aware integration test in short mode")
 	}
 
-	testDir, err := os.MkdirTemp("", "seaweedfs_disk_aware_ec_test_")
-	require.NoError(t, err)
-	defer os.RemoveAll(testDir)
+	// Using t.TempDir() automatically preserves logs when tests fail
+	testDir := t.TempDir()
 
 	ctx, cancel := context.WithTimeout(context.Background(), 180*time.Second)
 	defer cancel()
@@ -1217,9 +1214,8 @@ func TestECDiskTypeSupport(t *testing.T) {
 		t.Skip("Skipping disk type integration test in short mode")
 	}
 
-	testDir, err := os.MkdirTemp("", "seaweedfs_ec_disktype_test_")
-	require.NoError(t, err)
-	defer os.RemoveAll(testDir)
+	// Using t.TempDir() automatically preserves logs when tests fail
+	testDir := t.TempDir()
 
 	ctx, cancel := context.WithTimeout(context.Background(), 180*time.Second)
 	defer cancel()
@@ -1558,9 +1554,8 @@ func TestECDiskTypeMixedCluster(t *testing.T) {
 		t.Skip("Skipping mixed disk type integration test in short mode")
 	}
 
-	testDir, err := os.MkdirTemp("", "seaweedfs_ec_mixed_disktype_test_")
-	require.NoError(t, err)
-	defer os.RemoveAll(testDir)
+	// Using t.TempDir() automatically preserves logs when tests fail
+	testDir := t.TempDir()
 
 	ctx, cancel := context.WithTimeout(context.Background(), 180*time.Second)
 	defer cancel()
@@ -1748,9 +1743,8 @@ func TestEvacuationFallbackBehavior(t *testing.T) {
 		t.Skip("Skipping evacuation fallback test in short mode")
 	}
 
-	testDir, err := os.MkdirTemp("", "seaweedfs_evacuation_fallback_test_")
-	require.NoError(t, err)
-	defer os.RemoveAll(testDir)
+	// Using t.TempDir() automatically preserves logs when tests fail
+	testDir := t.TempDir()
 
 	ctx, cancel := context.WithTimeout(context.Background(), 180*time.Second)
 	defer cancel()
@@ -1842,9 +1836,8 @@ func TestCrossRackECPlacement(t *testing.T) {
 		t.Skip("Skipping cross-rack EC placement test in short mode")
 	}
 
-	testDir, err := os.MkdirTemp("", "seaweedfs_cross_rack_ec_test_")
-	require.NoError(t, err)
-	defer os.RemoveAll(testDir)
+	// Using t.TempDir() automatically preserves logs when tests fail
+	testDir := t.TempDir()
 
 	ctx, cancel := context.WithTimeout(context.Background(), 180*time.Second)
 	defer cancel()
@@ -2196,9 +2189,8 @@ func TestECEncodeReplicatedVolumeSync(t *testing.T) {
 	}
 
 	// Create temporary directory for test data
-	testDir, err := os.MkdirTemp("", "seaweedfs_ec_replica_sync_test_")
-	require.NoError(t, err)
-	defer os.RemoveAll(testDir)
+	// Using t.TempDir() automatically preserves logs when tests fail
+	testDir := t.TempDir()
 
 	// Start SeaweedFS cluster
 	ctx, cancel := context.WithTimeout(context.Background(), 120*time.Second)