ASM+RAC==>>單例項+檔案系統遷移步驟

阿新 • • 發佈：2019-02-05

1修改pfile檔案（去掉叢集專用，因原伺服器有重名資料庫，取別名'test'）
2轉儲控制檔案，資料庫至mount
3註冊備份集目錄
4restore、recover database
5修改redo日誌路徑
6開啟資料庫

7善後（刪除多餘undo和redo、新建temp表空間）

1:修改pfile檔案（去掉叢集專用，因原伺服器有重名資料庫，取別名'test'）

#fyl1.__db_cache_size=109051904
#fyl2.__db_cache_size=113246208
#fyl1.__java_pool_size=4194304
#fyl2.__java_pool_size=4194304
#fyl1.__large_pool_size=4194304
#fyl2.__large_pool_size=4194304
#fyl1.__oracle_base='/u01/app/oracle'#ORACLE_BASE set from environment
#fyl2.__oracle_base='/u01/app/oracle'#ORACLE_BASE set from environment
#fyl1.__pga_aggregate_target=209715200
#fyl2.__pga_aggregate_target=209715200
#fyl1.__sga_target=314572800
#fyl2.__sga_target=314572800
#fyl1.__shared_io_pool_size=0
#fyl2.__shared_io_pool_size=0
#fyl1.__shared_pool_size=188743680
#fyl2.__shared_pool_size=184549376
#fyl1.__streams_pool_size=0
#fyl2.__streams_pool_size=0
*.audit_file_dest='/u01/app/oracle/admin/fyl/adump'
*.audit_trail='db'
#*.cluster_database=true
*.compatible='11.2.0.0.0'
*.control_files='/u01/app/oracle/oradata/test/control01.ctl'
*.db_block_size=8192
#*.db_create_file_dest='+DATE1'
*.db_domain=''
*.db_name='fyl'
db_unique_name='test'
*.diagnostic_dest='/u01/app/oracle'
*.dispatchers='(PROTOCOL=TCP) (SERVICE=fylXDB)'
#fyl2.instance_number=2
#fyl1.instance_number=1
#*.local_listener=''
#rac1.local_listener='rac'
#rac2.local_listener='(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=rac2)(PORT=1522))))'
*.log_archive_dest_1='location=/u02/arch'
#*.log_archive_dest_2='location=+DATE1'
*.log_archive_format='fyl%t_%s_%r.log'
*.memory_target=524288000
*.nls_language='SIMPLIFIED CHINESE'
*.nls_territory='CHINA'
*.open_cursors=300

2轉儲控制檔案，資料庫至mount

[[email protected] dbs]$ export ORACLE_SID=test
[[email protected] dbs]$ rman target /
Recovery Manager: Release 11.2.0.1.0 - Production on Tue Oct 28 19:23:05 2014
Copyright (c) 1982, 2009, Oracle and/or its affiliates.  All rights reserved.
connected to target database (not started)

RMAN> startup nomount;
Oracle instance started

Total System Global Area     523108352 bytes
Fixed Size                     1337632 bytes
Variable Size                314574560 bytes
Database Buffers             201326592 bytes
Redo Buffers                   5869568 bytes

RMAN> restore controlfile from '/oracle/rman_fyl/rman_rac/fyl1_1_6.ctl';

Starting restore at 28-OCT-14
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=19 device type=DISK

channel ORA_DISK_1: restoring control file
channel ORA_DISK_1: restore complete, elapsed time: 00:00:03
output file name=/u01/app/oracle/oradata/test/control01.ctl
Finished restore at 28-OCT-14

RMAN> startup mount;

database is already started
database mounted
released channel: ORA_DISK_1

3 註冊備份集目錄

RMAN> catalog start with '/oracle/rman_fyl/rman_rac';

searching for all files that match the pattern /oracle/rman_fyl/rman_rac
List of Files Unknown to the Database
=====================================
File Name: /oracle/rman_fyl/rman_rac/fyl1_1_5_05pl78qj.arc
File Name: /oracle/rman_fyl/rman_rac/fyl1_1_3_03pl78mf.dbf
File Name: /oracle/rman_fyl/rman_rac/fyl1_1_6.ctl
File Name: /oracle/rman_fyl/rman_rac/fyl1_1_4_04pl78pk.dbf
File Name: /oracle/rman_fyl/rman_rac/inittext.ora

Do you really want to catalog the above files (enter YES or NO)? y
cataloging files...
cataloging done
List of Cataloged Files
=======================
File Name: /oracle/rman_fyl/rman_rac/fyl1_1_5_05pl78qj.arc
File Name: /oracle/rman_fyl/rman_rac/fyl1_1_3_03pl78mf.dbf
File Name: /oracle/rman_fyl/rman_rac/fyl1_1_6.ctl
File Name: /oracle/rman_fyl/rman_rac/fyl1_1_4_04pl78pk.dbf
List of Files Which Where Not Cataloged
=======================================
File Name: /oracle/rman_fyl/rman_rac/inittext.ora
  RMAN-07517: Reason: The file header is corrupted

4restore、recover database

RMAN> report schema;

RMAN-06139: WARNING: control file is not current for REPORT SCHEMA
Report of database schema for database with db_unique_name TEST
List of Permanent Datafiles
===========================
File Size(MB) Tablespace           RB segs Datafile Name
---- -------- -------------------- ------- ------------------------
1    0        SYSTEM               ***     +DATE1/fyl/datafile/system.259.858119563
2    0        SYSAUX               ***     +DATE1/fyl/datafile/sysaux.260.858119595
3    0        UNDOTBS1             ***     +DATE1/fyl/datafile/undotbs1.261.858119615
4    0        UNDOTBS2             ***     +DATE1/fyl/datafile/undotbs2.263.858119637
5    0        USERS                ***     +DATE1/fyl/datafile/users.264.858119641
List of Temporary Files
=======================
File Size(MB) Tablespace           Maxsize(MB) Tempfile Name
---- -------- -------------------- ----------- --------------------
1    0        TEMP                 32767       +DATE1/fyl/tempfile/temp.262.858119621

RMAN> run {
2> set newname for datafile '+DATE1/fyl/datafile/system.259.858119563' to '/u01/app/oracle/oradata/test/system.dbf';
3> set newname for datafile '+DATE1/fyl/datafile/sysaux.260.858119595' to '/u01/app/oracle/oradata/test/sysaux.dbf';
4> set newname for datafile '+DATE1/fyl/datafile/undotbs1.261.858119615' to '/u01/app/oracle/oradata/test/undotbs1.dbf';
5> set newname for datafile '+DATE1/fyl/datafile/undotbs2.263.858119637' to '/u01/app/oracle/oradata/test/undotbs2.dbf';
6> set newname for datafile '+DATE1/fyl/datafile/users.264.858119641' to '/u01/app/oracle/oradata/test/users.dbf';
7> restore database;
8> switch datafile all;
9> recover database;
10> }

executing command: SET NEWNAME
executing command: SET NEWNAME
executing command: SET NEWNAME
executing command: SET NEWNAME
executing command: SET NEWNAME
Starting restore at 28-OCT-14
using channel ORA_DISK_1

channel ORA_DISK_1: starting datafile backup set restore
channel ORA_DISK_1: specifying datafile(s) to restore from backup set
channel ORA_DISK_1: restoring datafile 00001 to /u01/app/oracle/oradata/test/system.dbf
channel ORA_DISK_1: restoring datafile 00002 to /u01/app/oracle/oradata/test/sysaux.dbf
channel ORA_DISK_1: restoring datafile 00003 to /u01/app/oracle/oradata/test/undotbs1.dbf
channel ORA_DISK_1: restoring datafile 00004 to /u01/app/oracle/oradata/test/undotbs2.dbf
channel ORA_DISK_1: restoring datafile 00005 to /u01/app/oracle/oradata/test/users.dbf
channel ORA_DISK_1: reading from backup piece /u02/rman/20141016_0/fyl1_1_3_03pl78mf.dbf
channel ORA_DISK_1: errors found reading piece handle=/u02/rman/20141016_0/fyl1_1_3_03pl78mf.dbf
channel ORA_DISK_1: failover to piece handle=/oracle/rman_fyl/rman_rac/fyl1_1_3_03pl78mf.dbf tag=TAG20141016T154623
channel ORA_DISK_1: restored backup piece 1
channel ORA_DISK_1: restore complete, elapsed time: 00:01:35
Finished restore at 28-OCT-14

datafile 1 switched to datafile copy
input datafile copy RECID=6 STAMP=862169998 file name=/u01/app/oracle/oradata/test/system.dbf
datafile 2 switched to datafile copy
input datafile copy RECID=7 STAMP=862169998 file name=/u01/app/oracle/oradata/test/sysaux.dbf
datafile 3 switched to datafile copy
input datafile copy RECID=8 STAMP=862169998 file name=/u01/app/oracle/oradata/test/undotbs1.dbf
datafile 4 switched to datafile copy
input datafile copy RECID=9 STAMP=862169998 file name=/u01/app/oracle/oradata/test/undotbs2.dbf
datafile 5 switched to datafile copy
input datafile copy RECID=10 STAMP=862169998 file name=/u01/app/oracle/oradata/test/users.dbf

Starting recover at 28-OCT-14
using channel ORA_DISK_1
starting media recovery

channel ORA_DISK_1: starting archived log restore to default destination
channel ORA_DISK_1: restoring archived log
archived log thread=2 sequence=15
channel ORA_DISK_1: restoring archived log
archived log thread=1 sequence=53
channel ORA_DISK_1: restoring archived log
archived log thread=1 sequence=54
channel ORA_DISK_1: restoring archived log
archived log thread=2 sequence=16
channel ORA_DISK_1: reading from backup piece /u02/rman/20141016_0/fyl1_1_5_05pl78qj.arc
channel ORA_DISK_1: errors found reading piece handle=/u02/rman/20141016_0/fyl1_1_5_05pl78qj.arc
channel ORA_DISK_1: failover to piece handle=/oracle/rman_fyl/rman_rac/fyl1_1_5_05pl78qj.arc tag=TAG20141016T154834
channel ORA_DISK_1: restored backup piece 1
channel ORA_DISK_1: restore complete, elapsed time: 00:00:04
archived log file name=/u01/app/oracle/product/11.2.0/db_1/dbs/archfyl1_53_858119547.log thread=1 sequence=53
archived log file name=/u01/app/oracle/product/11.2.0/db_1/dbs/archfyl2_15_858119547.log thread=2 sequence=15
archived log file name=/u01/app/oracle/product/11.2.0/db_1/dbs/archfyl1_54_858119547.log thread=1 sequence=54
archived log file name=/u01/app/oracle/product/11.2.0/db_1/dbs/archfyl2_16_858119547.log thread=2 sequence=16
unable to find archived log
archived log thread=1 sequence=55
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of recover command at 10/28/2014 19:40:06
RMAN-06054: media recovery requesting unknown archived log for thread 1 with sequence 55 and starting SCN of 932155

5修改redo日誌路徑

[email protected] test>select * from v$logfile;
    GROUP# STATUS          TYPE            MEMBER                                         IS_RECOVE
---------- --------------- --------------- ---------------------------------------------- ---------
         1                 ONLINE          +DATE1/fyl/onlinelog/group_1.257.858119555     NO
         2                 ONLINE          +DATE1/fyl/onlinelog/group_2.258.858119559     NO
         3                 ONLINE          +DATE1/fyl/onlinelog/group_3.265.858121703     NO
         4                 ONLINE          +DATE1/fyl/onlinelog/group_4.266.858121705     NO
         
[email protected] test>alter database rename file '+DATE1/fyl/onlinelog/group_1.257.858119555' to '/u01/app/oracle/oradata/test/redo01.log';  
alter database rename file '+DATE1/fyl/onlinelog/group_2.258.858119559' to '/u01/app/oracle/oradata/test/redo02.log';
alter database rename file '+DATE1/fyl/onlinelog/group_3.265.858121703' to '/u01/app/oracle/oradata/test/redo03.log';
alter database rename file '+DATE1/fyl/onlinelog/group_4.266.858121705' to '/u01/app/oracle/oradata/test/redo04.log';
Database altered.

[email protected] test>select * from v$logfile;
    GROUP# STATUS       TYPE              MEMBER                                         IS_RECOVE
---------- ------------ ----------------- ---------------------------------------------- ---------
         1              ONLINE            /u01/app/oracle/oradata/test/redo01.log        NO
         2              ONLINE            /u01/app/oracle/oradata/test/redo02.log        NO
         3              ONLINE            /u01/app/oracle/oradata/test/redo03.log        NO
         4              ONLINE            /u01/app/oracle/oradata/test/redo04.log        NO

6開啟資料庫
[email protected] test>alter database open resetlogs;
Database altered.

7善後（刪除多餘undo和redo、新建temp表空間）

[email protected] test>select GROUP# ,THREAD#,SEQUENCE#, MEMBERS,STATUS from v$log;
    GROUP#    THREAD#  SEQUENCE#    MEMBERS STATUS
---------- ---------- ---------- ---------- ------------------------------------------------
         1          1          1          1 CURRENT
         2          1          0          1 UNUSED
         3          2          1          1 ACTIVE
         4          2          0          1 UNUSED
[email protected] test>select thread#,status,enabled from v$thread;
   THREAD# STATUS             ENABLED
---------- ------------------ ------------------------
         1 OPEN               PUBLIC
         2 CLOSED             PUBLIC
         
[email protected] test>alter database disable thread 2;
Database altered.

[email protected] test>alter database drop logfile group 3;
Database altered.

[email protected] test>alter database drop logfile group 4;
Database altered.

[email protected] test>select GROUP# ,THREAD#,SEQUENCE#, MEMBERS,STATUS from v$log;
    GROUP#    THREAD#  SEQUENCE#    MEMBERS STATUS
---------- ---------- ---------- ---------- ------------------------------------------------
         1          1          1          1 CURRENT
         2          1          0          1 UNUSED
         
[email protected] test>drop tablespace undotbs2 including contents and datafiles;
Tablespace dropped.

[email protected] test>select * from dba_temp_files;
select * from dba_temp_files
              *
ERROR at line 1:
ORA-01157: cannot identify/lock data file 201 - see DBWR trace file
ORA-01110: data file 201: '+DATE1/fyl/tempfile/temp.262.858119621'

[email protected] test>create temporary tablespace temp1 tempfile '/u01/app/oracle/oradata/test/temp1.dbf' size 10M;
Tablespace created.
[email protected] test>alter database default temporary tablespace temp1;
Database altered.
[email protected] test>drop tablespace temp including contents and datafiles;
Tablespace dropped.

[email protected] test>select FILE_NAME,FILE_ID ,TABLESPACE_NAME,STATUS,AUTOEXTENSIBLE from dba_temp_files;

FILE_NAME                                             FILE_ID TABLESPACE STATUS                AUTOEXTEN
-------------------------------------------------- ---------- ---------- --------------------- ---------
/u01/app/oracle/oradata/test/temp1.dbf                      2 TEMP1      ONLINE                NO

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