diff --git a/be/src/olap/data_dir.cpp b/be/src/olap/data_dir.cpp
index 96b6c90129..72604bcca9 100644
--- a/be/src/olap/data_dir.cpp
+++ b/be/src/olap/data_dir.cpp
@@ -239,7 +239,7 @@ void DataDir::health_check() {
     // check disk
     if (_is_used) {
         Status res = _read_and_write_test_file();
-        if (!res) {
+        if (!res && res.is<IO_ERROR>()) {
             LOG(WARNING) << "store read/write test file occur IO Error. path=" << _path
                          << ", err: " << res;
             StorageEngine::instance()->add_broken_path(_path);
diff --git a/be/src/service/doris_main.cpp b/be/src/service/doris_main.cpp
index 6045530048..00aa476146 100644
--- a/be/src/service/doris_main.cpp
+++ b/be/src/service/doris_main.cpp
@@ -435,6 +435,7 @@ int main(int argc, char** argv) {
                 it = paths.erase(it);
             } else {
                 LOG(ERROR) << "read write test file failed, path=" << it->path;
+                // if only one disk and the disk is full, also need exit because rocksdb will open failed
                 exit(-1);
             }
         } else {