fix: make sure maintenance=true is honored properly (#19156)

fixes a regression from #18700

cmd/erasure-server-pool.go

@@ -2322,6 +2322,10 @@ func (z *erasureServerPools) Health(ctx context.Context, opts HealthOptions) Hea
 	storageInfo := z.StorageInfo(ctx, false)
 
 	for _, disk := range storageInfo.Disks {
+		if disk.Local && opts.Maintenance {
+			continue
+		}
+
 		if disk.PoolIndex > -1 && disk.SetIndex > -1 {
 			if disk.State == madmin.DriveStateOk {
 				si := erasureSetUpCount[disk.PoolIndex][disk.SetIndex]

cmd/erasure.go

@@ -176,6 +176,7 @@ func getDisksInfo(disks []StorageAPI, endpoints []Endpoint, metrics bool) (disks
 				PoolIndex: endpoints[index].PoolIdx,
 				SetIndex:  endpoints[index].SetIdx,
 				DiskIndex: endpoints[index].DiskIdx,
+				Local:     endpoints[index].IsLocal,
 			}
 			if disks[index] == OfflineDisk {
 				di.State = diskErrToDriveState(errDiskNotFound)