From 0ae048ff7871c3a3d4ac73579963bfd2604a7ef6 Mon Sep 17 00:00:00 2001
From: johncming <johncming@yahoo.com>
Date: Mon, 9 Dec 2019 18:37:01 +0800
Subject: [PATCH] tsdb: add error details in log. (#6415)

Signed-off-by: johncming <johncming@yahoo.com>
---
 tsdb/db.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tsdb/db.go b/tsdb/db.go
index 715a97b28..1785c1b7c 100644
--- a/tsdb/db.go
+++ b/tsdb/db.go
@@ -865,7 +865,7 @@ func openBlocks(l log.Logger, dir string, loaded []*Block, chunkPool chunkenc.Po
 	for _, bDir := range bDirs {
 		meta, _, err := readMetaFile(bDir)
 		if err != nil {
-			level.Error(l).Log("msg", "not a block dir", "dir", bDir)
+			level.Error(l).Log("msg", "failed to read meta.json for a block", "dir", bDir, "err", err)
 			continue
 		}