When Redo Log Files Are All Missing
If your redo logs are all missing, then you have to know you will lose some data and no longer to recover it. Now let's… Read More »When Redo Log Files Are All Missing
Control File
How RMAN Backup Controlfile
Backup Controlfile Since the controlfile is a very busy file on reading and writing when your database is open, you can't copy the file directly… Read More »How RMAN Backup Controlfile
How to Restore Controlfile
When the controlfile is missing, the database can't mount the controlfile, you need to restore the controlfile before going further. But first of all, you… Read More »How to Restore Controlfile
How to Check Control File Size
Check Control File Size Control file is a file that have several file attributes including size, but when database is stored upon raw devices, your… Read More »How to Check Control File Size
How to Write Control File into Raw Device
Control File in Raw Device? Since raw devices cannot be read/write as a normal file operation, you cannot write a controlfile directly into a raw… Read More »How to Write Control File into Raw Device