From c6addc1d6b2f7a10e64c4f9252a1bbbc2921ebfa Mon Sep 17 00:00:00 2001
From: Robin Geuze <robing@transip.nl>
Date: Fri, 25 Sep 2020 15:59:17 +0200
Subject: [PATCH] Catch the none existent shard case and just skip that

---
 modules/lmdbbackend/lmdbbackend.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/modules/lmdbbackend/lmdbbackend.cc b/modules/lmdbbackend/lmdbbackend.cc
index adccc89d35..71ba3b7b88 100644
--- a/modules/lmdbbackend/lmdbbackend.cc
+++ b/modules/lmdbbackend/lmdbbackend.cc
@@ -547,6 +547,10 @@ bool LMDBBackend::upgradeToSchemav3()
   for(auto i = 0; i < d_shards; i++) {
     string filename = getArg("filename")+"-"+std::to_string(i);
     if (rename(filename.c_str(), (filename+"-old").c_str()) < 0) {
+        if (errno == ENOENT) {
+            // apparently this shard doesn't exist yet, moving on
+            continue;
+        }
         unixDie("Rename failed during LMDB upgrade");
     }
 
-- 
2.47.2