prompt unit config is too small

src/share/backup/ob_backup_struct.cpp

@@ -3275,13 +3275,35 @@ bool ObHAResultInfo::is_valid() const
   return !trace_id_.is_invalid() && addr_.is_valid() &&  MAX_FAILED_TYPE > type_ && ROOT_SERVICE <= type_;
 }
 
+const char *ObHAResultInfo::get_error_str_() const
+{
+  const char *str = NULL;
+  switch (result_) {
+    case OB_SUCCESS: {
+      str = "";
+      break;
+    }
+
+    case OB_TOO_MANY_PARTITIONS_ERROR: {
+      str = "unit config is too small";
+      break;
+    }
+
+    default: {
+      str = common::ob_strerror(result_);
+      break;
+    }
+  }
+  return str;
+}
+
 int ObHAResultInfo::get_comment_str(Comment &comment) const
 {
   int ret = OB_SUCCESS;
   const char *type = get_failed_type_str();
   char trace_id[OB_MAX_TRACE_ID_BUFFER_SIZE] = "";
   char addr_buf[OB_MAX_SERVER_ADDR_SIZE] = "";
-  const char *err_code_str = OB_SUCCESS == result_ ? "" : common::ob_strerror(result_);
+  const char *err_code_str = get_error_str_();
   if (!is_valid()) {
     ret = OB_INVALID_ARGUMENT;
     LOG_WARN("invalid result info", K(ret), KPC(this));

src/share/backup/ob_backup_struct.h

@@ -1346,6 +1346,9 @@ public:
   ObTaskId trace_id_;
   ObAddr addr_;
   int result_;
+
+private:
+  const char *get_error_str_() const;
 };
 
 struct ObBackupJobAttr final

src/storage/high_availability/ob_ls_restore.cpp

@@ -20,6 +20,7 @@
 #include "storage/tx_storage/ob_ls_service.h"
 #include "storage/high_availability/ob_storage_ha_reader.h"
 #include "storage/tablet/ob_tablet_create_delete_helper.h"
+#include "storage/tablet/ob_tablet_create_mds_helper.h"
 #include "storage/tablet/ob_tablet.h"
 
 namespace oceanbase
@@ -984,6 +985,8 @@ int ObStartLSRestoreTask::create_tablet_(
   if (!tablet_meta.is_valid() || OB_ISNULL(ls)) {
     ret = OB_INVALID_ARGUMENT;
     LOG_WARN("create tablet get invalid argument", K(ret), K(tablet_meta), KP(ls));
+  } else if (OB_FAIL(ObTabletCreateMdsHelper::check_create_new_tablets(1LL))) {
+    LOG_WARN("failed to check create new tablet", K(ret), K(tablet_meta));
   } else if (OB_FAIL(ls->rebuild_create_tablet(tablet_meta, false /*keep old*/))) {
     LOG_WARN("failed to create tablet", K(ret), K(tablet_meta));
   } else {

src/storage/restore/ob_ls_restore_handler.cpp

@@ -2867,6 +2867,7 @@ bool ObLSRestoreResultMgr::can_retrieable_err(const int err) const
     case OB_BACKUP_FILE_NOT_EXIST :
     case OB_ARCHIVE_ROUND_NOT_CONTINUOUS :
     case OB_HASH_NOT_EXIST:
+    case OB_TOO_MANY_PARTITIONS_ERROR:
       bret = false;
       break;
     default: