sqlplus system/dingjia@192.168.82.139:1528/third
连接时遇到下面的提示：
ORA-01033: ORACLE initialization or shutdown in progress Process ID: 0 Session ID: 0 Serial number: 0
觉得奇怪，这个pdb明明是打开的，原来在12c RAC 中每个节点的CDB 管理自己的PDB，也就是说，当我们在节点1对PDB进行操作时，不会影响到节点2的PDB。两个节点都有打开才行！
SQL> show pdbs; CON_ID CON_NAME OPEN MODE RESTRICTED ---------- ------------------------------ ---------- ---------- 2 PDB$SEED READ ONLY NO 3 THIRD MOUNTED SQL> alter pluggable database third open; Pluggable database altered. SQL> alter pluggable database all save state; Pluggable database altered.
