Backup and Recovery
>Cold Backup/offline backup/consistent backup
Traditional Logical i.e;
Note: If the database storage area loacation is ASM then only logical and RMAN backups
>If the database storage are location is CFS all the above backups are possible.
>In a Rac system see that channels are equally distributed among all the instances.
>In some environments an instance is totally dedicated for RMAN backups.
example: OCR BACKUP
$ocrconfig -export (in 10g)
$ocrconfig -export (11g) Note:online backup is possible in RAC.