From d3f79d4c381f1bcb12339a344c645a161e39e8f5 Mon Sep 17 00:00:00 2001
From: Chris Lu <chris.lu@gmail.com>
Date: Fri, 23 Jan 2026 21:38:51 -0800
Subject: [PATCH] Update detection.go

---
 weed/worker/tasks/balance/detection.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/weed/worker/tasks/balance/detection.go b/weed/worker/tasks/balance/detection.go
index 6b1886b44..4a52ea943 100644
--- a/weed/worker/tasks/balance/detection.go
+++ b/weed/worker/tasks/balance/detection.go
@@ -249,6 +249,11 @@ func planBalanceDestination(activeTopology *topology.ActiveTopology, selectedVol
 	bestScore := -1.0
 
 	for _, disk := range availableDisks {
+		// Ensure disk type matches
+		if disk.DiskType != selectedVolume.DiskType {
+			continue
+		}
+
 		score := calculateBalanceScore(disk, sourceRack, sourceDC, selectedVolume.Size)
 		if score > bestScore {
 			bestScore = score