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分类: 服务器与存储

2008-06-16 20:00:48

热备份和恢复自动产生sql源代码
  各变量含义为:
  HOT_BACK_DIR: 热备份文件存放目录
  SCRIPT_FILE: 此代码所生成的批处理文件路径及文件名称
  LOG_FILE: 备份日志文件存放路径及文件名称
  INT_PWD: internal用户的口令
  以下代码存成sql文件后
  可以通过COMMAND :sqlplus internal/@sqcdb @产生备份SQL代码的原文件名 <参数> 来运行。
  
  热备份SQL源代码如下:
  define HOT_BACK_DIR = e:\oradb\hotbackups
  define SCRIPT_FILE = e:\back\hotbackup.sql
  define LOG_FILE= e:\back\hotbackup.log
  define INT_PWD =
  
  /* Create Temporary Table with Tablespace Data */
  drop table dsc_hot_stage;
  create table dsc_hot_stage
  (tablespace_name varchar2(30),
  file_name varchar2(200)
  );
  
  insert into dsc_hot_stage
  select rtrim(tablespace_name),rtrim(file_name) from sys.dba_data_files;
  
  /**** Set up the parameters for the spool file */
  set feedback off
  set heading off
  set pagesize 0
  set linesize 128
  set verify off
  set termout oN
  set echo off
  
  spool &SCRIPT_FILE
  
  select '/* ',
  'This is the hot backup script and has been generated',
  ' by gen_hotbk.sql',
  ' ' || to_char(sysdate, 'YYYY-MM-DD HH24:MI:SS') ,
  ' */'
  from dual;
  
  -- select 'connect internal/&INT_PWD'||'@sqcdb.sqc.com' from dual;
  select '$md e:\oradb' from dual;
  select '$md e:\oradb\hotbackups' from dual;
  select '$md e:\oradb\hotbackups\ctrl' from dual;
  select '$md e:\oradb\hotbackups\archive' from dual;
  -- select '$md e:\oradb\hotbackups\ora' from dual;
  
  -- Create Script to backup Control File to Trace
  select 'alter database backup controlfile to trace; ' from dual;
  select 'alter database backup controlfile to &HOT_BACK_DIR\CTRL\ctrsqcdb.ctl; ' from dual;
  
  -- Create Script to backup Archive File
  -- select 'alter system archive log all;' from dual;
  select 'alter system archive log current;' from dual;
  
  -- Create Script to backup actual data files to a directory
  select 'alter tablespace '|| tablespace_name||' begin backup;' c1 ,'$copy '||file_name||' &HOT_BACK_DIR'||'\'||substr(file_name,instr(rtrim(file_name),'\',-1,1)+1,length(rtrim(file_name))) c2, 'alter tablespace '|| tablespace_name||' end backup;' c3 from dsc_hot_stage
  group by tablespace_name,file_name order by 1;
  
  -- Create Script to backup Init.ora files
  --select '$copy c:\\admin\sqcdb\pfile\init.ora --&HOT_BACK_DIR\ora'||' /y' from dual;
  
  -- Create Script to backup Net Config files
  --select '$copy C:\Oracle\Ora81\NETWORK\ADMIN\*.ora --&HOT_BACK_DIR\ora'||' /y'from dual;
  
  select 'spool &LOG_FILE ' from dual;
  select 'prompt ' ,'COMPLETE HOT BACKUP DATABASE SQCDB ON ' ,to_char(sysdate, 'YYYY-MM-DD HH24:MI:SS') from dual;
  select 'spool off' from dual;
  
  select 'exit' from dual;
  
  spool off
  
  @&SCRIPT_FILE
  
  $del &SCRIPT_FILE
  exit
  
  热恢复SQL源代码如下
  define HOT_BACK_DIR = e:\oradb\hotbackups
  define SCRIPT_FILE = e:\back\hotrev.bat
  define LOG_FILE= e:\back\hotrev.log
  define INT_PWD =
  
  /* Create Temporary Table with Tablespace Data */
  drop table dsc_hot_stage;
  create table dsc_hot_stage
  (
  tablespace_name varchar2(30),
  file_name varchar2(200)
  );
  
  insert into dsc_hot_stage
  select rtrim(tablespace_name),rtrim(file_name) from sys.dba_data_files;
  
  /**** Set up the parameters for the spool file */
  set feedback off
  set heading off
  set pagesize 0
  set linesize 128
  set verify off
  set termout oN
  set echo off
  set pages 0 feed off echo off time off
  col a new_value b
  col c new_value d
  select value a,to_char(sysdate, 'YYYY-MM-DD HH24:MI:SS') c from v$parameter where name ='db_name';
  
  spool &SCRIPT_FILE
  
  select 'rem','This is the hot recover script and has been generated',' by gen_hotrev.sql'||' on &d' from dual;
  
  prompt set ShutDownFile=C:\ShutDown.SQL
  prompt echo connect internal/&INT_PWD > %ShutDownFile%
  prompt echo shutdown immediate >> %ShutDownFile%
  prompt echo startup >> %ShutDownFile%
  prompt echo shutdown normal >> %ShutDownFile%
  prompt echo exit >> %ShutDownFile%
  prompt
  prompt rem ***** SHUTDOWN THE DATABASE *******
  prompt set _sid=&b
  prompt svrmgrl @%ShutDownFile%
  
  -- Create Script to Recover actual data files to original directory
  select 'copy '||'&HOT_BACK_DIR'||'\'|| substr(file_name,instr(rtrim(file_name),'\',-1,1)+1,length(rtrim(file_name)))||' '|| file_name from dsc_hot_stage;
  
  
  prompt set RevFile=C:\hotrev.SQL
  prompt echo connect internal/&INT_PWD > %RevFile%
  prompt echo startup mount >> %RevFile%
  prompt echo set autorecovery on >> %RevFile%
  prompt echo recover database >> %RevFile%
  prompt echo alter database open; >> %RevFile%
  prompt rem ***** RECOVER THE DATABASE *******
  prompt svrmgrl @%RevFile%
  prompt
  prompt del /Q %RevFile%
  prompt set LogFile=&LOG_FILE
  prompt echo COMPLETE HOT RECOVER FOR sqcdb DATABASE STARTED ON &d ...> %logFile%
  prompt rem exit
  spool off
  
  $&SCRIPT_FILE
  
  $del &SCRIPT_FILE
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