故障現象: 數據庫無法啟動或者cluster系統無法切換。查看數據庫日志文件$Oracle_BASE/admin ORCL/bdump/alert_ORCL.log有類似于ORA-01599: failed to acquire rollback segment (49), cache space is full (currently has (48) entries) Error 1599 happened during db open, shutting down database類似的錯誤信息。