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Author Archives: tosasan
RSYNC Examples in AIX
Backing up data using rsync command rsync is a great tool for backing up and restoring files. I’ll use some example to explain on how it works. Example of the remote server and folder that needs to be backup or … Continue reading
Backup Rman Incremental SCRIPTS Use Name days for tag
Set retention policy to recovery window to 7 days. CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 7 DAYS; Script for Backup Level 0 backup_0.sh ORACLE_BASE=/oracle ORACLE_HOME=$ORACLE_BASE/orahome ORACLE_SID=orcl export ORACLE_BASE ORACLE_HOME ORACLE_SID export PATH=$PATH:/$ORACLE_HOME/bin rman target=’system/bagbag’ cmdfile=’/oracle/rman_script/rman_backup0.cmd’ log=’/oracle/rman_script/backup-level0.log’ currentdate=`date ‘+%y%m%d_%H%M’` file_name=hr_db_DC$currentdate.dmp … Continue reading
Import Data Pump performance problem
The import with DataPump of tables into an Oracle11g Release 11.2.0.4 database takes almost 45 minutes, while the same import into Oracle10g Release 10.2.0.4 only take 2 minutes. The slow Import Data Pump performance problem might also reproduce in other … Continue reading
How to Handle RMAN – 06023
Part of my daily tasks is to perform RMAN backup and recovery scenarios in my test environment , to be familiar with every possible situation that can happen. During performing this task I have an error Rman-06023 I have backup … Continue reading
Daily Activities of Oracle Database Administrator
Daily Work of DBA: Check the Database Availability Check the Listener Availability Monitoring space Availability Viewing the Alert log file to analyze the ORA errors if any. Check tablespaces should not be used more that 95%. Viewing the temporary files, … Continue reading
Posted in ORACLE
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Deleting the Archive log Using RMAN
Once you are connected, then you can use the following to delete archivelogs with one of the following commands. You can choose the commands depending on your situation. To delete all Archivelogs withou backing them up: delete archivelog all; To … Continue reading
RMAN Delete old archivelogs
delete force noprompt archivelog all completed before ‘sysdate-7′; If you want to delete archive logs older than few hours: Verify the time like how many hours older than you want to delete. SQL> alter session set nls_date_format=’MM/DD/YYYY HH24:MI:SS’; Session altered. … Continue reading
Oracle Rman Delete archivelog file older than N-day
rman target / run{ allocate channel D1 type disk; delete noprompt archivelog until time ‘SYSDATE-<N>‘; release channel D1; } ; Example 2 day run{ allocate channel D1 type disk; delete noprompt archivelog until time ‘SYSDATE-2’; release channel D1; } ;
Containers Instead of Virtual Machines
The last couple of years have seen the rise of software products that leverage Linux Containers (LXC) to deploy many instances of an application on one operating system. Running applications in LXC is an alternative to running applications in a … Continue reading
Posted in OS, Uncategorized
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Move or Rename the Tempfile in Oracle
1. Login as SYSDBA 2. Check the Tempfile status SQL> SELECT v.file#, t.file_name, v.status 2 FROM dba_temp_files t, v$tempfile v 3 WHERE t.file_id = v.file#; FILE# FILE_NAME STATUS ———- ————————- ——- 1 /u01/temp01.dbf ONLINE 2 /u02/temp02.dbf ONLINE 3 /u02/temp03.dbf ONLINE … Continue reading
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