From 261b3f0483279932dbe26bc4c7a4addb8f68fb59 Mon Sep 17 00:00:00 2001
From: Travis Rhoden <trhoden@gmail.com>
Date: Thu, 16 Mar 2017 14:40:14 -0700
Subject: [PATCH] return empty vol map if /dev/disk/by-id not there

---
 drivers/storage/scaleio/executor/scaleio_executor.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/storage/scaleio/executor/scaleio_executor.go b/drivers/storage/scaleio/executor/scaleio_executor.go
index ac23ba3f..e50b01a7 100644
--- a/drivers/storage/scaleio/executor/scaleio_executor.go
+++ b/drivers/storage/scaleio/executor/scaleio_executor.go
@@ -86,6 +86,11 @@ const diskIDPath = "/dev/disk/by-id"
 
 func getLocalVolumeMap() (map[string]string, error) {
 	volMap := map[string]string{}
+
+	if !gotil.FileExists(diskIDPath) {
+		// the diskIDPath does not exist -- therefore no vols
+		return volMap, nil
+	}
 	files, err := ioutil.ReadDir(diskIDPath)
 	if err != nil {
 		return nil, err