本篇內(nèi)容主要講解“Oracle19c rman使用簡單測試分析”,感興趣的朋友不妨來看看。本文介紹的方法操作簡單快捷,實(shí)用性強(qiáng)。下面就讓小編來帶大家學(xué)習(xí)“Oracle19c rman使用簡單測試分析”吧!

PDB 支持 資料庫
--連接示例 connect target "sbu @prod AS SYSBACKUP"
自動(dòng)刪除閃回日志
--默認(rèn)1440分鐘/一天,19c開始超過自動(dòng)清理 db_flashback_retention_target
復(fù)制一個(gè)pdb到另一個(gè)存在的cdb中
復(fù)制數(shù)據(jù)庫到Oracle云
前滾物理備庫,簡化使用
RMAN備份可以用遷移,pdb、cdb切換
塊丟失寫保護(hù)增強(qiáng)
connect target /
run {
allocate channel ch2 type disk;
allocate channel ch3 type disk;
alter system archive log current;
alter system archive log current;
backup format '/backup/mypdb_full_%T_%s_%p' database plus archivelog delete all input;
backup format '/backup/mypdb_controlfile_%T_%s_%p' current controlfile;
alter system archive log current;
backup format '/backup/mypdb_arch_%Y%M%D_%s_%p' archivelog all;
release channel ch2;
release channel ch3;
}全備備份的數(shù)據(jù)文件參考
--其中數(shù)據(jù)文件2,5,6是pdb模板 col file_name for a50 select file_id,file_name,tablespace_name from cdb_data_files order by file_id;
--更相信命令,參考全備 BACKUP PLUGGABLE DATABASE mypdb; --or [oracle@node216 ~]$ rman target sys/oracle@mypdb Recovery Manager: Release 19.0.0.0.0 - Production on Fri Feb 14 21:57:32 2020 Version 19.3.0.0.0 Copyright (c) 1982, 2019, Oracle and/or its affiliates. All rights reserved. connected to target database: MYDB19C:MYPDB (DBID=2219134196) RMAN> backup database;
--備份root+pdbseed 建議一起備份
run {
allocate channel ch2 type disk;
allocate channel ch3 type disk;
alter system archive log current;
alter system archive log current;
backup format '/backup/root_full_%T_%s_%p' database root plus archivelog delete all input;
backup format '/backup/pdbseed_full_%T_%s_%p' database 'PDB$SEED';
backup format '/backup/root_controlfile_%T_%s_%p' current controlfile;
alter system archive log current;
backup format '/backup/root_arch_%Y%M%D_%s_%p' archivelog all;
release channel ch2;
release channel ch3;
}--恢復(fù)root+pdbseed ,也可單獨(dú)恢復(fù)
restore controlfile from '/backup/root_controlfile_20200215_62_1';
alter database mount;
run {
restore database root;
restore database 'pdb$seed';
recover database root;
recover database 'pdb$seed';
}
--跳過pdb 數(shù)據(jù)庫,open
alter session set container=mypdb;
col name for a50
select file#,name,status from v$datafile;
alter database datafile 9,10,11,12,13 offline;
alter database open resetlogs;
--恢復(fù)pdb
col pdb_name for a20
select pdb_name,status from dba_pdbs;
restore pluggable database mypdb;
recover pluggable database mypdb;
alter session set container=mypdb;
alter database datafile 9,10,11,12,13 online;
alter database open;
--or
alter session set container="CDB$ROOT";
alter pluggable database mypdb open;--備份
BACKUP format '/backup/testpdb_full_%T_%s_%p' PLUGGABLE DATABASE testpdb PLUS ARCHIVELOG;
--卸載/導(dǎo)出 pdb
sqlplus / as sysdba
alter pluggable database testpdb unplug into '/home/oracle/testpdb.xml';
--刪除pdb,遷移可不刪除,注意不能刪除數(shù)據(jù)文件
drop pluggable database testpdb keep datafiles;
--檢查目標(biāo)cdb,是否適用 備份的pdb
SET SERVEROUTPUT ON
DECLARE
compatible CONSTANT VARCHAR2(3) :=
CASE DBMS_PDB.CHECK_PLUG_COMPATIBILITY(
pdb_descr_file => '/home/oracle/testpdb.xml')
WHEN TRUE THEN 'YES'
ELSE 'NO'
END;
BEGIN
DBMS_OUTPUT.PUT_LINE(compatible);
END;
/
--創(chuàng)建pdb
create pluggable database testpdb using '/home/oracle/testpdb.xml' --nocopy tempfile reuse;
FILE_NAME_CONVERT=('/u01/app/oracle/oradata/MYDB19C/pdbseed/', '/u01/app/oracle/oradata/testpdb');
--open
alter pluggable database testpdb open;
--恢復(fù),手動(dòng)刪除原有數(shù)據(jù)文件,可不刪除,直接恢復(fù)
SET PREPLUGIN CONTAINER=testpdb;
LIST PREPLUGIN BACKUP OF PLUGGABLE DATABASE testpdb;
--恢復(fù)
RESTORE PLUGGABLE DATABASE testpdb FROM PREPLUGIN;
RECOVER PLUGGABLE DATABASE testpdb FROM PREPLUGIN;
catalog preplugin archivelog '/u01/app/oracle_base/oradata/CDB18/arch/1_26_969723966.dbf';
--檢查
RESTORE PLUGGABLE DATABASE testpdb SKIP PREPLUGIN;
--open
RECOVER PLUGGABLE DATABASE testpdb;
ALTER PLUGGABLE DATABASE testpdb open;
--or
rman target sys/oracle@testpdb
recover database;Only active database duplication is supported.
Only the following clauses of the DUPLICATE command are supported: NORESUME,
DB_FILE_NAME_CONVERT, SECTION SIZE, and USING COMPRESSED BACKUPSET
The following clauses of the DUPLICATE command are not supported: SPFILE, NO
STANDBY, FARSYNC STANDBY, and LOG_FILE_NAME_CONVERT.
Duplicating a PDB to a CDB that is a standby database is not supported
Only one PDB can be duplicated at a time.
Partial PDB duplication is not supported, only complete PDB duplication is
supported. For example, you cannot include or exclude specific tablespaces while
duplicating a PDB
Duplicating a non-CDB as a PDB in an existing CDB is not supported.
Duplicating PDBs that contain TDE-encrypted tablespaces is not supported.
--配置網(wǎng)絡(luò) MYDB19C = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = node216)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = mydb19c) ) ) TESTCDB = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = node217)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = testcdb) ) ) --創(chuàng)建相關(guān)目錄,目標(biāo)端 mkdir -p /u01/app/oracle/oradata/TESTCDB/mystpdb --臨時(shí)存放歸檔等 mkdir -p /backup/mystpdb alter system set remote_recovery_file_dest='/backup/mystpdb'; --連接 rman target sys/oracle@mydb19c auxiliary sys/oracle@testcdb --開始復(fù)制 DUPLICATE PLUGGABLE DATABASE mypdb AS mystpdb TO testcdb FROM ACTIVE DATABASE DB_FILE_NAME_CONVERT='/u01/app/oracle/oradata/mypdb','/u01/app/oracle/oradata/TESTCDB/mystpdb'; --會(huì)自動(dòng)導(dǎo)入相關(guān)元數(shù)據(jù)
復(fù)制大概過程
恢復(fù)數(shù)據(jù)文件:restore complete of datafile 14 to datafile copy
創(chuàng)建pdb
CREATE PLUGGABLE DATABASE mystpdb AS CLONE USING '/u01/app/oracle/product/19.0.0/dbhome_1/dbs/_rm_pdb_pitr_1_testcdb.xml' SOURCE_FILE_NAME_CONVERT = ( '/u01/app/oracle/oradata/mypdb/mypdp_system01.dbf' , '/u01/app/oracle/oradata/TESTCDB/mystpdb/mypdp_system01.dbf') NOCOPY REFRESH MODE MANUAL;
拷貝歸檔至目標(biāo)端,并應(yīng)用,增量/不完成恢復(fù)完成
調(diào)整數(shù)據(jù)文件號:刪除之前,根據(jù)新環(huán)境整理新的file_id
open pdb
--源端設(shè)置用戶權(quán)限
alter session set container=mypdb;
grant create pluggable database to mypdb;
--目標(biāo)端創(chuàng)建dblink
create database link clonePdb connect to mypdb identified by mypdb using '(DESCRIPTION =(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.80.216)(PORT = 1521))(CONNECT_DATA =(SERVER = DEDICATED)(SERVICE_NAME = mypdb)))';
--開始創(chuàng)建,與Duplicating 處理過程相似
create pluggable database pdb8 from mypdb@clonePdb FILE_NAME_CONVERT=('/u01/app/oracle/oradata/mypdb','/u01/app/oracle/oradata/TESTCDB/pdb8');到此,相信大家對“Oracle19c rman使用簡單測試分析”有了更深的了解,不妨來實(shí)際操作一番吧!這里是創(chuàng)新互聯(lián)網(wǎng)站,更多相關(guān)內(nèi)容可以進(jìn)入相關(guān)頻道進(jìn)行查詢,關(guān)注我們,繼續(xù)學(xué)習(xí)!
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