From 4ee2f63374b06e8e8e35f2cfdfebb77c71a29a14 Mon Sep 17 00:00:00 2001
From: slguan <slguan@taosdata.com>
Date: Thu, 11 Jul 2019 19:01:36 +0800
Subject: [PATCH] Check the replica parameters when creating the database

---
 src/system/src/mgmtDb.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/system/src/mgmtDb.c b/src/system/src/mgmtDb.c
index 143828f30d..63d3759a66 100644
--- a/src/system/src/mgmtDb.c
+++ b/src/system/src/mgmtDb.c
@@ -126,7 +126,11 @@ int mgmtCheckDbParams(SCreateDbMsg *pCreate) {
   if (pCreate->replications < 0) pCreate->replications = 1;                                               //
   if (pCreate->rowsInFileBlock < 0) pCreate->rowsInFileBlock = tsRowsInFileBlock;                         //
   if (pCreate->cacheNumOfBlocks.fraction < 0) pCreate->cacheNumOfBlocks.fraction = tsAverageCacheBlocks;  //
-  pCreate->replications = 1;
+
+  if (pCreate->replications != 1) {
+    mTrace("invalid db option replications: %d", pCreate->replications);
+    return TSDB_CODE_INVALID_OPTION;
+  }
 
   if (pCreate->commitLog < 0 || pCreate->commitLog > 1) {
     mTrace("invalid db option commitLog: %d", pCreate->commitLog);
-- 
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