From ee2072dff921fdb5e71ce421a7c11fdcbcafa41c Mon Sep 17 00:00:00 2001
From: Chris Lu <chris.lu@gmail.com>
Date: Wed, 27 Nov 2019 23:07:53 -0800
Subject: [PATCH] volume: avoid inifinite loop reading ec volume info if error
 happens

---
 weed/storage/store_ec.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/weed/storage/store_ec.go b/weed/storage/store_ec.go
index 7e3f1a46c..208560b7e 100644
--- a/weed/storage/store_ec.go
+++ b/weed/storage/store_ec.go
@@ -120,8 +120,13 @@ func (s *Store) ReadEcShardNeedle(ctx context.Context, vid needle.VolumeId, n *n
 		if localEcVolume, found := location.FindEcVolume(vid); found {
 
 			// read the volume version
+			readCounter := 0
 			for localEcVolume.Version == 0 {
 				err := s.readEcVolumeVersion(ctx, vid, localEcVolume)
+				readCounter++
+				if readCounter > 10 && err != nil {
+					return 0, fmt.Errorf("fail to read ec volume %d: %v", vid, err)
+				}
 				time.Sleep(1357 * time.Millisecond)
 				glog.V(0).Infof("ReadEcShardNeedle vid %d version:%v: %v", vid, localEcVolume.Version, err)
 			}