DBA Arena

1. Check database and application availability
2. Check status of cluster services
3. Monitor space availability in all tablespaces
4. Check for errors in Database Alert log files and take appropriate action
5. Check Concurrent Managers
6. Check /tmp for space constraints
7. Check invalid objects and compile if required
8. ASM Grid Space Check
9. Database and Application Mount points check
10. Verify Backups
11. Verify Gather Schema Statistics and Purge Concurrent Request and/or Manager Data Concurrent Requests are scheduled and are completing successfully

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Objective:

The objective is to migrate the EBS instance from a server running Linux 5 to a new server running Linux 7.

Environment Details:

EBS R12.1.3, Database 11.2.0.4
Mount points: Database: /ddb02, Application: /dap01

Create Users and Groups on the new server.

[root@ebs01 ~]# groupadd dba

[root@ebs01 ~]# groupadd oinstall

[root@ebs01 ~]# groupadd oper

[root@ebs01 ~]# groupadd asmdba

[root@ebs01 ~]# groupadd asmoper

[root@ebs01 ~]# useradd -g dba -G oinstall,oper,asmdba,asmoper -m oradev

[root@ebs01 ~]# useradd -g dba -G oinstall,oper -m appldev

[root@ebs01 ~]# groups oradev

oradev : dba oinstall oper asmdba asmoper

[root@ebs01 ~]# groups appldev

appldev : dba oinstall oper

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Purpose

Use the CREATE RESTORE POINT statement to create a restore point, which is a name associated with an SCN of the database corresponding to the time of the creation of the restore point. A restore point can be used to flash a table or the database back to the time of creation of the restore point without the need to determine the SCN or timestamp.

There are two types of restore point:
• Guaranteed restore points: A guaranteed restore point enables you to flash the database back to the restore point regardless of the DB_FLASHBACK_RETENTION_TARGET initialization parameter setting.
Guaranteed restore points must be dropped explicitly by the user using the DROP RESTORE POINT statement. They do not age out.
• Normal restore points: A normal restore point enables you to flash the database back to a restore point within the time period determined by the DB_FLASHBACK_RETENTION_TARGET initialization parameter. You can explicitly drop a normal restore point using the DROP RESTORE POINT statement.

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This script will report on all backups – full, incremental and archivelog backups.

col STATUS format a9
col hrs format 999.99
select session_key, input_type, status,to_char(start_time,'mm/dd/yy hh24:mi') start_time,to_char(end_time,'mm/dd/yy hh24:mi') end_time,elapsed_seconds/3600 hrs from V$rman_backup_job_details order by session_key;

SESSION_KEY  INPUT_TYPE    STATUS              START_TIME           END_TIME              HRS
--------------------------------------------------------------------------------------------------------------------------------
378                   DB FULL          RUNNING            02/25/15 08:10      02/25/15 10:15     2.08416
378                   DB FULL          COMPLETED       02/25/15 08:10      02/25/15 10:31     2.35944
386                   BACKUPSET    RUNNING           02/25/15 10:31      02/25/15 11:03     0.53305
386                   BACKUPSET    COMPLETED       02/25/15 10:31      02/25/15 11:20     0.81388
========================================================================================

Monitor RMAN Progress

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