Is it possible to recover a database with the copy of data files (cp), while the database has been opened?

Hello

We know we need to do a backup of an oracle database by using the appropriate tool, in most cases the rman. But we have in our society, a person who helps us with the backup of all the databases oracle we have. Thus, in addition to the rman backups, we do a copy (cp) with the open database of all files in oracle database, (without start backup) including of course spfile, controlfile, etc.. My question is: can recover us my database using this copied data files? or are we just wasting disk space on our backup environment?

Kind regards
Melo.

We're doing a copy (cp) with the open database of all files in oracle database, (without start backup) including of course spfile, controlfile, etc..

As EdStevens said, it's essentially a backup without value. When you copy files from a backup ' hot', there may be inconsistencies in the blocks of the file as transactions actively edit these blocks while the copy is made. Mechanism of Oracle backups hot managed by users is to put the database or tablespace in backup mode, copy the files, and then the end backup mode. Without this mechanism, the chances of being able to restore from this backup are very, very thin.

My question is: can recover us my database using this copied data files?

My question is... have you tested recovery? If the recovery has been piloted, then called the answer to this question. Please read the end of this blog post for more information:

Blog of Peasland before necessary recovery database backups"

See you soon,.
Brian

Tags: Database

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