db_32k_cache_size 發現只在第一個節點修改，第二個節點沒有修改，發現問題，修改之~~
SQL> select file_name,tablespace_name,bytes/1024/1024/1024 G,status,autoextensible from dba_data_files order by tablespace_name;
select file_name,tablespace_name,bytes/1024/1024/1024 G,status,autoextensible from dba_data_files order by tablespace_name
ERROR at line 1:
ORA-00379: no free buffers available in buffer pool DEFAULT for block size 32K
SQL> show parameter 32k
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
db_32k_cache_size big integer 0
SQL>
SQL> alter system set db_32k_cache_size=1024m sid='hxrundb2';
System altered.
SQL>
SQL> select TABLESPACE_NAME ,AUTOEXTENSIBLE from dba_data_files ;
TABLESPACE_NAME AUT
------------------------------ ---
SYSTEM YES
SYSAUX YES
UNDOTBS1 YES
略................