From ad70107eb4285f2d42ec011de7060b50ad1829b4 Mon Sep 17 00:00:00 2001
From: Chris Lu <chris.lu@gmail.com>
Date: Tue, 16 Feb 2021 06:22:50 -0800
Subject: [PATCH] ec balance among nodes with HDD

---
 weed/shell/command_ec_balance.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/weed/shell/command_ec_balance.go b/weed/shell/command_ec_balance.go
index 2baadb144..b1ca926d5 100644
--- a/weed/shell/command_ec_balance.go
+++ b/weed/shell/command_ec_balance.go
@@ -326,7 +326,9 @@ func balanceEcShardsWithinRacks(commandEnv *CommandEnv, allEcNodes []*EcNode, ra
 
 			var possibleDestinationEcNodes []*EcNode
 			for _, n := range racks[RackId(rackId)].ecNodes {
-				possibleDestinationEcNodes = append(possibleDestinationEcNodes, n)
+				if _, found := n.info.DiskInfos[string(types.HardDriveType)]; found {
+					possibleDestinationEcNodes = append(possibleDestinationEcNodes, n)
+				}
 			}
 			sourceEcNodes := rackEcNodesWithVid[rackId]
 			averageShardsPerEcNode := ceilDivide(rackToShardCount[rackId], len(possibleDestinationEcNodes))