confusion about rman restore
Hello worldI have some confusion about rman restore and recover procedures. I read doc available in this regard and google as well. A few more questions unanswered in my mind.
1. do the restore backup command restore controlfile also alongwith datafiles.
2 database is running in noarchivelog mode. Suppose one of say users.dbf data files has been removed. control files intact. the same seq # is available since the last log backup. Now to restore the database, I use the following steps.
1 rman > shutdown immediate
2 rman > startup mount
3 rman > restore database
4 rman > restore database
5 rman > alter database open;
I'm wrong. This is the one. In this scenario, the steps above can be used.
3. even when logseq is not available when the database is saved, I take the following steps.
1 rman > startup nomount;
2 rman > restore controlfile autobackup.
3 rman > change the editing of the database;
4 rman > restore database;
5 rman > recover noredo db;
6 rman > alter database open resetlogs;
It is a right. can I adopt this procedure in my scenario.
Please do not give all the links I want some explanation of your minds.
Geetanjali.
sonidba wrote:
Hello world
I have some confusion about rman restore and recover procedures. I read doc available in this regard and google as well. A few more questions unanswered in my mind.
1. do the restore backup command restore controlfile also alongwith datafiles.
2 database is running in noarchivelog mode. Suppose one of say users.dbf data files has been removed. control files intact. the same seq # is available since the last log backup. Now to restore the database, I use the following steps.
1 rman > shutdown immediate
2.RMAN > startup mount
3.RMAN > restore database
4.RMAN > restore database
5.RMAN > alter database open;I'm wrong. This is the one. In this scenario, the steps above can be used.
If after the last COLD backup is there not get command of newspaper (this means journal seq number is the same), so you can restore your database since the last backup and can retrieve it. And if thi does not need perform full restoration/recovery. At instead step 3 with DATA RESTORE
3. even when logseq is not available when the database is saved, I take the following steps. Yes you are right in this case. There, you have to restore/recovery complete database, because of your database running in NOARCHIVELOG mode. But after database restore (step4) you can just issue RESTORE database and can open with RESETLOGS options also. Also if you have incremental backups can run NOARCHIVELOG mode even RETRIEVE the NOREDO of DATABASE then you can open the database.
1 rman > startup nomount;
2 rman > restore controlfile autobackup.
3.RMAN > change the editing of the database;
4 rman > restore database;
5 rman > recover noredo db;
6 rman > alter database open resetlogs;
It is a right. can I adopt this procedure in my scenario.
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