From 3310e8145620ff06332d262ad2411ada14bb36ab Mon Sep 17 00:00:00 2001
From: xiao-77 <berylbao@taosdata.com>
Date: Wed, 16 Oct 2024 10:15:12 +0800
Subject: [PATCH] make sure mnode can be started

---
 source/libs/wal/src/walMeta.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/source/libs/wal/src/walMeta.c b/source/libs/wal/src/walMeta.c
index 8649581d5d..042024284c 100644
--- a/source/libs/wal/src/walMeta.c
+++ b/source/libs/wal/src/walMeta.c
@@ -288,6 +288,11 @@ static void walAlignVersions(SWal* pWal) {
           pWal->cfg.vgId, pWal->vers.snapshotVer, pWal->cfg.committed);
     pWal->vers.snapshotVer = pWal->cfg.committed;
   }
+  if (pWal->vers.snapshotVer < 0) {
+    wWarn("vgId:%d, snapshotVer:%" PRId64 " in wal is an invalid value. align it with firstVer:%" PRId64 ".",
+          pWal->cfg.vgId, pWal->vers.snapshotVer, pWal->vers.firstVer);
+    pWal->vers.snapshotVer = pWal->vers.firstVer;
+  }
   if (pWal->vers.firstVer > pWal->vers.snapshotVer + 1) {
     wWarn("vgId:%d, firstVer:%" PRId64 " is larger than snapshotVer:%" PRId64 " + 1. align with it.", pWal->cfg.vgId,
           pWal->vers.firstVer, pWal->vers.snapshotVer);