private TableName[] toTableNames(String[] tables) {
      TableName[] arr = new TableName[tables.length];
      for (int i = 0; i < tables.length; i++) {
        arr[i] = TableName.valueOf(tables[i]);
      }
      return arr;
    }
Command requires consistent state of a backup system Backup system may become inconsistent
because of an abnormal termination of a backup session or delete command
@return true, if yes
hbase-backup/src/main/java/org/apache/hadoop/hbase/backup/impl/BackupCommands.java