[TD-385] fix error while vnode dir not exist

src/inc/taoserror.h

@@ -156,6 +156,7 @@ TAOS_DEFINE_ERROR(TSDB_CODE_SERV_OUT_OF_MEMORY,         0, 405, "server out of m
 TAOS_DEFINE_ERROR(TSDB_CODE_NO_DISK_PERMISSIONS,        0, 406, "no disk permissions")
 TAOS_DEFINE_ERROR(TSDB_CODE_FILE_CORRUPTED,             0, 407, "file corrupted")
 TAOS_DEFINE_ERROR(TSDB_CODE_MEMORY_CORRUPTED,           0, 408, "memory corrupted")
+TAOS_DEFINE_ERROR(TSDB_CODE_NOT_SUCH_FILE_OR_DIR,       0, 409, "no such file or directory")
 
 // client
 TAOS_DEFINE_ERROR(TSDB_CODE_INVALID_CLIENT_VERSION,     0, 451, "invalid client version")

src/vnode/src/vnodeMain.c

@@ -73,13 +73,18 @@ int32_t vnodeCreate(SMDCreateVnodeMsg *pVnodeCfg) {
     return TSDB_CODE_SUCCESS;
   }
 
+  mkdir(tsVnodeDir, 0755);
+
   char rootDir[TSDB_FILENAME_LEN] = {0};
   sprintf(rootDir, "%s/vnode%d", tsVnodeDir, pVnodeCfg->cfg.vgId);
   if (mkdir(rootDir, 0755) != 0) {
+    vPrint("vgId:%d, failed to create vnode, reason:%s dir:%s", pVnodeCfg->cfg.vgId, strerror(errno), rootDir);
     if (errno == EACCES) {
       return TSDB_CODE_NO_DISK_PERMISSIONS;
     } else if (errno == ENOSPC) {
       return TSDB_CODE_SERV_NO_DISKSPACE;
+    } else if (errno == ENOENT) {
+      return TSDB_CODE_NOT_SUCH_FILE_OR_DIR;
     } else if (errno == EEXIST) {
     } else {
       return TSDB_CODE_VG_INIT_FAILED;