NEW 9I RMAN: PERSISTENT CONFIGURATION PARAMETERS - INTRODUCTION

제품 : RMAN
작성날짜 : 2001-11-09
NEW 9I RMAN: PERSISTENT CONFIGURATION PARAMETERS - INTRODUCTION
===============================================================
오라클 9i 부터는 RMAN 에서 항상 사용되는 파라미터 세팅을 고정적으로 할 수 있게
되어 매번 파라미터를 주어야 하는 수고를 하지 않아도 된다.
Persistent Configuration Parameters 기능은 RMA 에 다음과 같은 변화를 주었다:
* RMAN 에서 파라미터의 디폴트를 DBA 가 커스터마이징 할 수 있게 되어 사용이 편리해졌다.
* 한번 커스터마이징한 파라미터는 모든 Job 에 적용이 된다.
* DBA 는 'BACKUP DATABASE' 명령어 하나만으로 RMAN 에서 데이터베이스 백업을 수행
할 수 있게 되었다.
* 오라클 9i 의 CONFIGURE 명령어는 RMAN 의 default setting 을 영구적으로 바꾸어 준다.
* 파라미터의 값은 컨트롤파일에 저장이 되며 필요한 경우에는 리커버리 카다로그와 맞추어
주는 과정이 필요하다.
오라클 9i RMAN 에서는는 'show' 명령어로 현재의 파라미터 세팅을 확인 할 수 있다.
SHOW show_operand [,show_operand ...];
show_operand: RETENTION POLICY |
EXCLUDE |
BACKUP COPIES |
CHANNEL |
DEFAULT DEVICE TYPE |
DEVICE TYPE |
SNAPSHOT CONTROLFILE |
ALL
'show all' 명령어로 현재의 모든 세팅을 확인 한다.
RMAN> show all;
using target database controlfile instead of recovery catalog
RMAN configuration parameters are:
CONFIGURE RETENTION POLICY TO REDUNDANCY 1; # default
CONFIGURE BACKUP OPTIMIZATION OFF; # default
CONFIGURE DEFAULT DEVICE TYPE TO DISK; # default
CONFIGURE CONTROLFILE AUTOBACKUP OFF; # default
CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE DISK TO '%F'; # default
CONFIGURE DEVICE TYPE DISK PARALLELISM 1; # default
CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default
CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default
CONFIGURE MAXSETSIZE TO UNLIMITED; # default
CONFIGURE SNAPSHOT CONTROLFILE NAME TO '/beta/app/oracle/product/9.0.1/dbs/snapc
f_V901.f'; # default
이렇게 Persistent Configuration Parameters 를 세팅하기 위해서는 스크립트를 만들어
수행 하는 것이 좋다:
run {
# Use the configure commands to create your backup policy.
# When complete these will be the new persistent
# configuration parameters for RMAN in the controlfile
# of the target datbase.
CONFIGURE RETENTION POLICY TO REDUNDANCY 3;
CONFIGURE BACKUP OPTIMIZATION OFF;
CONFIGURE DEFAULT DEVICE TYPE TO DISK;
CONFIGURE CONTROLFILE AUTOBACKUP ON;
CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE DISK TO
'/proj/SME9i/backup/%F';
CONFIGURE DEVICE TYPE DISK PARALLELISM 2;
CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 1;
CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE DISK TO 1;
CONFIGURE MAXSETSIZE TO UNLIMITED;
CONFIGURE SNAPSHOT CONTROLFILE NAME TO '/proj/SME9i/backup/snapf_prod9.f';
이렇게 스크립트를 수행 한 후에 결과를 확인 하기 위해서는:
RMAN> show all;
RMAN configuration parameters are:
CONFIGURE RETENTION POLICY TO REDUNDANCY 3;
CONFIGURE BACKUP OPTIMIZATION OFF;
CONFIGURE DEFAULT DEVICE TYPE TO DISK;
CONFIGURE CONTROLFILE AUTOBACKUP ON;
CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE DISK TO
'/proj/SME9i/backup/%F';
CONFIGURE DEVICE TYPE DISK PARALLELISM 2;
CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 1;
CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE DISK TO 1;
CONFIGURE MAXSETSIZE TO UNLIMITED;
CONFIGURE SNAPSHOT CONTROLFILE NAME TO '/proj/SME9i/backup/snapf_prod9.f';
결과는 위와 같다.
--------------THE END------------------------------------------------------

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    --------------THE END----------------------------------------------

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