diff --git a/cmake/define.inc b/cmake/define.inc
index da100f4260c7f824f2b2d3f2ba562d7ea03e4f51..8d6a3987099cbb11b3544d76bd5026ca2473d362 100755
--- a/cmake/define.inc
+++ b/cmake/define.inc
@@ -24,3 +24,7 @@ ENDIF ()
 IF (TD_MEM_CHECK)
   ADD_DEFINITIONS(-DTAOS_MEM_CHECK)
 ENDIF ()
+
+IF (TD_RANDOM_FILE_FAIL)
+  ADD_DEFINITIONS(-DTAOS_RANDOM_FILE_FAIL)
+ENDIF ()
diff --git a/cmake/input.inc b/cmake/input.inc
index 5a17e0319c01d335e5940e0475db4f2f57d7bfd7..574eac5b455dd3371a38eefbe57698c8ec328cad 100755
--- a/cmake/input.inc
+++ b/cmake/input.inc
@@ -30,4 +30,9 @@ ENDIF ()
 IF (${MEM_CHECK} MATCHES "true")
   SET(TD_MEM_CHECK TRUE)
   MESSAGE(STATUS "build with memory check")
-ENDIF ()
\ No newline at end of file
+ENDIF ()
+
+IF (${RANDOM_FILE_FAIL} MATCHES "true")
+  SET(TD_RANDOM_FILE_FAIL TRUE)
+  MESSAGE(STATUS "build with random-file-fail enabled")
+ENDIF ()
diff --git a/src/util/inc/tfile.h b/src/util/inc/tfile.h
new file mode 100644
index 0000000000000000000000000000000000000000..566a429d32847ecc90baa0735d6a8498a673eac4
--- /dev/null
+++ b/src/util/inc/tfile.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
+ *
+ * This program is free software: you can use, redistribute, and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3
+ * or later ("AGPL"), as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef TDENGINE_TFILE_H
+#define TDENGINE_TFILE_H
+
+#ifdef TAOS_RANDOM_FILE_FAIL
+
+ssize_t taos_tread(int fd, void *buf, size_t count);
+ssize_t taos_twrite(int fd, void *buf, size_t count);
+
+#define tread(fd, buf, count)  taos_tread(fd, buf, count)
+#define twrite(fd, buf, count)  taos_twrite(fd, buf, count)
+
+#endif  // TAOS_RANDOM_FILE_FAIL
+
+#endif  // TDENGINE_TFILE_H
diff --git a/src/util/src/tfile.c b/src/util/src/tfile.c
new file mode 100644
index 0000000000000000000000000000000000000000..200d0f8af5f879f617725b27a58f1e88a2f3a14e
--- /dev/null
+++ b/src/util/src/tfile.c
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
+ *
+ * This program is free software: you can use, redistribute, and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3
+ * or later ("AGPL"), as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <error.h>
+#include <errno.h>
+#include <stdarg.h>
+#include <unistd.h>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#include "os.h"
+
+#define RANDOM_FACTOR 5
+
+ssize_t taos_tread(int fd, void *buf, size_t count)
+{
+#ifdef TAOS_RANDOM_FILE_FAIL
+  if (rand() % RANDOM_FACTOR == 0) {
+    errno = EIO;
+    return -1;
+  }
+#endif
+
+  return tread(fd, buf, count);
+}
+
+ssize_t taos_twrite(int fd, void *buf, size_t count)
+{
+#ifdef TAOS_RANDOM_FILE_FAIL
+  if (rand() % RANDOM_FACTOR == 0) {
+    errno = EIO;
+    return -1;
+  }
+#endif
+
+  return twrite(fd, buf, count);
+}