In addition to Weibo, there is also WeChat
Please pay attention
WeChat public account
Shulou
2025-02-27 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Database >
Share
Shulou(Shulou.com)06/01 Report--
-- 1. Start archiving
[steps]
a. Database shutdown for consistency (shutdown [immediate | transactional | normal])
b. Start to the mount phase (startup mount)
c. Switch to archive mode (alter database archivelog [manual])
d. Switch to open phase (alter database open)
e. Make a full backup of the data (full backup)
Show parameter spfile
Alter system set log_archive_dest_1='location=/ggs/arch_data' scope=spfile
Alter system set db_recovery_file_dest_size=100g scope=spfile sid='*'
Alter system set db_recovery_file_dest='/ggs/ora_recovery' scope=spfile
Alter system set log_archive_format='arch_%t_%s_%r.arc' scope=spfile
Shutdown immediate
Startup mount
Alter database archivelog
Alter database open
Archive log list
-2. Close archiving
[step] switch from archive mode to non-archive mode
A. [immediate | transactional | normal]) consistency shuts down the database (shutdown
b. Start to the mount phase (startup mount)
c. Switch to archive mode (alter database noarchivelog)
d. Switch to open phase (alter database open)
Turn off archive mode:
Shutdown immediate
Startup mount
Alter database noarchivelog
Alter database open
View the archive file:
Select * from v$log
Select * from v$logfile
Select * from v$flash_recovery_area_usage
Report obsolete
Delete obsolete
Back up the archive file:
Backup archivelog all
You can also:
Execute alter system switch logfile first
Then find the location of the archive log and copy it somewhere else.
Rman target /
Delete archivelog all completed before 'sysdate-7'
Backup first
Backup format'/ tmp/arch-%t_%s_%u' archivelog all delete input
Or backup database plus archivelog.
Delete the archive file:
Rman target / or rman target user/password@tns
List archivelog all
Crosscheck archivelog all
List expired archivelog all
Delete expired archivelog all
Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.
Views: 0
*The comments in the above article only represent the author's personal views and do not represent the views and positions of this website. If you have more insights, please feel free to contribute and share.
Continue with the installation of the previous hadoop.First, install zookooper1. Decompress zookoope
"Every 5-10 years, there's a rare product, a really special, very unusual product that's the most un
© 2024 shulou.com SLNews company. All rights reserved.