1、單節(jié)點啟動時，是可以操作的
[oracle@rac1 ~]$ sqlplus / as sysdba

從事服務(wù)器托管機柜，服務(wù)器租用，云主機，虛擬主機，申請域名，CDN，網(wǎng)絡(luò)代維等服務(wù)。

SQL*Plus: Release 11.2.0.3.0 Production on Thu Jul 11 11:54:29 2019

Copyright (c) 1982, 2011, Oracle.  All rights reserved.

Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
With the Partitioning, Real Application Clusters, Automatic Storage Management, OLAP,
Data Mining and Real Application Testing options

SQL> SELECT inst_name FROM v$active_instances;

INST_NAME
--------------------------------------------------------------------------------
rac1:RAC1

SQL> exit
Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
With the Partitioning, Real Application Clusters, Automatic Storage Management, OLAP,
Data Mining and Real Application Testing options
[oracle@rac1 ~]$ 

2、新節(jié)點加入問題，正常運行后是否自動加入（是）
[oracle@rac1 ~]$ sqlplus / as sysdba

SQL*Plus: Release 11.2.0.3.0 Production on Thu Jul 11 12:01:42 2019

Copyright (c) 1982, 2011, Oracle.  All rights reserved.

Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
With the Partitioning, Real Application Clusters, Automatic Storage Management, OLAP,
Data Mining and Real Application Testing options

SQL> SELECT inst_name FROM v$active_instances;

INST_NAME
--------------------------------------------------------------------------------
rac1:RAC1
rac2:RAC2

SQL> 

3、默認rac是自動啟動相關(guān)服務(wù)的
4、非圖形化并沒有節(jié)省多少資源

本文題目：rac自己想到的問題驗證
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