Quản trị Flash Recovery Area trong Oracle 19c Rac Database

Bài viết này sẽ cùng bạn demo về quản trị FRA trong oracle RAC 19c

Flash Recovery Area FRA là gì: https://datalinks.vn/flash-recovery-area-fra-la-gi/

Kiểm tra thông tin về FRA:

sqlplus / as sysdba

show parameter db_recovery_file

archive log list

word image 1662 1

Cấu hình: chúng ta có thể thay đổi thông tin về dung lượng lưu trữ, phân vùng lưu trữ:

alter system set db_recovery_file_dest_size=50G scope=both sid='*';

alter system set log_archive_dest_1='LOCATION=+FRA scope=both sid='*';

Check thông tin khác:

set lines 1000 pages 1000

select * from v$flash_recovery_area_usage;

alter system switch logfile;

exit

asmcmd

cd +FRA/

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SQL> exit
Disconnected from Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 – Production
Version 19.3.0.0.0
[oracle@rac1 ~]$ asmcmd
ASMCMD> ls
DATA/
FRA/
OCR/
ASMCMD> cd FRA
ASMCMD> ls
DUONG/
ORADB/
ASMCMD> cd duong
ASMCMD> ls
ARCHIVELOG/
AUTOBACKUP/
BACKUPSET/
CONTROLFILE/
FLASHBACK/
ONLINELOG/
ASMCMD> cd ARCHIVELOG/
ASMCMD> ls
2024_05_12/
ASMCMD> cd 2024_05_12/
ASMCMD> ls
thread_1_seq_10.304.1168785893
thread_1_seq_11.306.1168788551
thread_1_seq_12.307.1168788553
thread_1_seq_13.309.1168788555
thread_1_seq_14.311.1168789435
thread_1_seq_15.313.1168791601
thread_1_seq_16.314.1168792099
thread_1_seq_5.282.1168760473
thread_1_seq_6.286.1168760497
thread_1_seq_7.296.1168774883
thread_1_seq_8.297.1168774887
thread_1_seq_9.300.1168777463
thread_2_seq_1.280.1168735243
thread_2_seq_10.312.1168790709
thread_2_seq_2.283.1168760473
thread_2_seq_3.287.1168760497
thread_2_seq_4.290.1168766219
thread_2_seq_5.301.1168785887
thread_2_seq_6.302.1168785889
thread_2_seq_7.303.1168785889
thread_2_seq_8.308.1168788553
thread_2_seq_9.275.1168790707
ASMCMD>

Done!!!

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