Fix calculation of node's free EC shard slots. (#6584)

2025-02-28 16:35:28 +01:00
parent 314f211260
commit 76a111f0a2
2 changed files with 97 additions and 1 deletions
--- a/weed/shell/command_ec_common.go
+++ b/weed/shell/command_ec_common.go
@@ -429,7 +429,13 @@ func countFreeShardSlots(dn *master_pb.DataNodeInfo, diskType types.DiskType) (c
 	if diskInfo == nil {
 		return 0
 	}
-	return int(diskInfo.MaxVolumeCount-diskInfo.VolumeCount)*erasure_coding.DataShardsCount - countShards(diskInfo.EcShardInfos)
+
+	slots := int(diskInfo.MaxVolumeCount-diskInfo.VolumeCount)*erasure_coding.DataShardsCount - countShards(diskInfo.EcShardInfos)
+	if slots < 0 {
+		return 0
+	}
+
+	return slots
 }

 func (ecNode *EcNode) localShardIdCount(vid uint32) int {