diff --git a/src/dnode/src/dnodeMain.c b/src/dnode/src/dnodeMain.c
index 05c9d2be28adacb5439392ae9266929d32a2214a..5907adc199dd1f3b5e6064d8b4a7c9240ad2e4d9 100644
--- a/src/dnode/src/dnodeMain.c
+++ b/src/dnode/src/dnodeMain.c
@@ -186,11 +186,11 @@ static int32_t dnodeInitStorage() {
     dError("failed to init TFS since %s", tstrerror(terrno));
     return -1;
   }
-  snprintf(tsDataDir, TFS_PRIMARY_PATH(), TSDB_FILENAME_LEN);
+  strncpy(tsDataDir, TFS_PRIMARY_PATH(), TSDB_FILENAME_LEN);
   sprintf(tsMnodeDir, "%s/mnode", tsDataDir);
   sprintf(tsVnodeDir, "%s/vnode", tsDataDir);
   sprintf(tsDnodeDir, "%s/dnode", tsDataDir);
-  sprintf(tsVnodeBakDir, "%s/vnode_bak", tsDataDir);
+  // sprintf(tsVnodeBakDir, "%s/vnode_bak", tsDataDir);
 
   //TODO(dengyihao): no need to init here 
   if (dnodeCreateDir(tsMnodeDir) < 0) {
diff --git a/src/inc/tfs.h b/src/inc/tfs.h
index 4c91c6fc652fa2a5b7473b4ad54f37cabab88e64..d7ed51b560950af631d27b5b572c4eae47c3b0c7 100644
--- a/src/inc/tfs.h
+++ b/src/inc/tfs.h
@@ -33,12 +33,13 @@ typedef struct {
 #define TFS_PRIMARY_ID 0
 
 // FS APIs ====================================
-int  tfsInit(SDiskCfg *pDiskCfg, int ndisk);
-void tfsDestroy();
-void tfsUpdateInfo();
-void tfsIncDiskFile(int level, int id, int num);
-void tfsDecDiskFile(int level, int id, int num);
-
+int     tfsInit(SDiskCfg *pDiskCfg, int ndisk);
+void    tfsDestroy();
+void    tfsUpdateInfo();
+int64_t tfsTotalSize();
+int64_t tfsAvailSize();
+void    tfsIncDiskFile(int level, int id, int num);
+void    tfsDecDiskFile(int level, int id, int num);
 const char *TFS_PRIMARY_PATH();
 const char *TFS_DISK_PATH(int level, int id);
 
diff --git a/src/tfs/src/tfs.c b/src/tfs/src/tfs.c
index e53a7329a42581d32ccd8f9d16842c9fd51923cb..d05d441d02eda73c0402f616b9c95440d9aca170 100644
--- a/src/tfs/src/tfs.c
+++ b/src/tfs/src/tfs.c
@@ -139,6 +139,10 @@ void tfsUpdateInfo() {
   tfsUnLock();
 }
 
+int64_t tfsTotalSize() { return pfs->meta.tsize; }
+
+int64_t tfsAvailSize() { return pfs->meta.avail; }
+
 void tfsIncDiskFile(int level, int id, int num) {
   tfsLock();
   TFS_DISK_AT(level, id)->dmeta.nfiles += num;
@@ -572,4 +576,26 @@ static int tfsAssignDisk(int level) {
   return id;
 }
 
+// OTHER FUNCTIONS ===================================
+void taosGetDisk() {
+  const double unit = 1024 * 1024 * 1024;
+  SysDiskSize  diskSize;
+
+  if (tscEmbedded) {
+    tfsUpdateInfo();
+    tsTotalDataDirGB = (float)tfsTotalSize() / unit;
+    tsAvailDataDirGB = (float)tfsAvailSize() / unit;
+  }
+
+  if (taosGetDiskSize(tsLogDir, &diskSize)) {
+    tsTotalLogDirGB = (float)diskSize.tsize / unit;
+    tsAvailLogDirGB = (float)diskSize.avail / unit;
+  }
+
+  if (taosGetDiskSize("/tmp", &diskSize)) {
+    tsTotalTmpDirGB = (float)diskSize.tsize / unit;
+    tsAvailTmpDirectorySpace = (float)diskSize.avail / unit;
+  }
+}
+
 #pragma GCC diagnostic pop
\ No newline at end of file
diff --git a/src/vnode/src/vnodeMain.c b/src/vnode/src/vnodeMain.c
index 0f51e2ed3b9e22823560c3b117f802189706ecf0..201fed13f838e8fdf04f11a5edf8363630557842 100644
--- a/src/vnode/src/vnodeMain.c
+++ b/src/vnode/src/vnodeMain.c
@@ -113,7 +113,7 @@ int32_t vnodeCreate(SCreateVnodeMsg *pVnodeCfg) {
   char vnodeDir[TSDB_FILENAME_LEN] = "\0";
   snprintf(vnodeDir, TSDB_FILENAME_LEN, "vnode%d", pVnodeCfg->cfg.vgId);
   if (tfsMkdir(vnodeDir) < 0) {
-    vError("vgId:%d, failed to create vnode %d dir, reason:%s", pVnodeCfg->cfg.vgId, strerror(errno));
+    vError("vgId:%d, failed to create vnode dir %s, reason:%s", pVnodeCfg->cfg.vgId, vnodeDir, strerror(errno));
     return terrno;
   }