误删除$ORACLE_HOME/dbs下的参数文件、密码文件快速重建的方法_oracle_

 [oracle@11g dbs]$ pwd /home/oracle/app/oracle/product/11.2.0/dbhome_1/dbs [oracle@11g dbs]$ ll total 24 -rw-rw----. 1 oracle oinstall 1544 Mar 11 13:46 hc_orcl.dat -rw-r--r--. 1 oracle oinstall 2851 May 15 2009 init.ora -rw-r-----. 1 oracle oinstall 658 Feb 16 05:17 initorcl.ora -rw-r-----. 1 oracle oinstall 24 Feb 16 05:17 lkORCL -rw-r-----. 1 oracle oinstall 1536 Feb 16 05:17 orapworcl -rw-r-----. 1 oracle oinstall 3584 Mar 11 14:19 spfileorcl.ora [oracle@11g dbs]$ rm -rf * total 0 [oracle@11g dbs]$ orapwd file=/home/oracle/app/oracle/product/11.2.0/dbhome_1/dbs/orapworcl password=oracle SQL> create pfile from memory; File created. [oracle@11g dbs]$ ll -rw-rw----. 1 oracle oinstall 1544 Mar 11 16:55 hc_orcl.dat -rw-r--r--. 1 oracle oinstall 5562 Mar 11 16:44 initorcl.ora -rw-r-----. 1 oracle oinstall 24 Mar 11 16:55 lkORCL -rw-r-----. 1 oracle oinstall 1536 Mar 11 16:38 orapworcl SQL> shutdown immediate; Database closed. Database dismounted. ORACLE instance shut down. SQL> startup; ORACLE instance started. Total System Global Area 835104768 bytes Fixed Size 2217952 bytes Variable Size 520095776 bytes Database Buffers 310378496 bytes Redo Buffers 2412544 bytes Database mounted. Database opened.