diff --git a/tests/pytest/util/dnodes-random-fail.py b/tests/pytest/util/dnodes-random-fail.py
index db3a5fea9316587e8d3d5ac21c7994aa297f321c..fa25f5ad462cb28a7e80185e9fb32ba4edeaddba 100644
--- a/tests/pytest/util/dnodes-random-fail.py
+++ b/tests/pytest/util/dnodes-random-fail.py
@@ -175,7 +175,8 @@ class TDDnode:
         self.cfg("logDir", self.logDir)
         self.cfg("numOfLogLines", "100000000")
         self.cfg("mnodeEqualVnodeNum", "0")
-        self.cfg("walLevel", "1")
+        self.cfg("walLevel", "2")
+        self.cfg("fsync", "1000")
         self.cfg("statusInterval", "1")
         self.cfg("numOfTotalVnodes", "64")
         self.cfg("numOfMnodes", "3")
diff --git a/tests/pytest/util/dnodes.py b/tests/pytest/util/dnodes.py
index b67f509cc69e26a5a2b9d2c6a003f4c073f2533b..56e63bae11c653eaf701de3e74695d994134780b 100644
--- a/tests/pytest/util/dnodes.py
+++ b/tests/pytest/util/dnodes.py
@@ -177,7 +177,8 @@ class TDDnode:
         self.cfg("logDir", self.logDir)
         self.cfg("numOfLogLines", "100000000")
         self.cfg("mnodeEqualVnodeNum", "0")
-        self.cfg("walLevel", "1")
+        self.cfg("walLevel", "2")
+        self.cfg("fsync", "1000")
         self.cfg("statusInterval", "1")
         self.cfg("numOfTotalVnodes", "64")
         self.cfg("numOfMnodes", "3")