RE:

How did you verify that backup ran successfully to tape with veritas? Again, my whole experience has been with Legato Networker.

-----Original Message-----
Sent: Tuesday, May 06, 2003 1:33 PM
To: oracle-l_at_fatcity.com
Cc: Paula_Stankus_at_doh.state.fl.us

My experience has been just the opposite, my backup supposedly ran successfully to veritas tape this morning, although the restore database validate command failed, tape went bad from the time it finished backup and couldnt read info back off for the validate. I've never had a problem writing to disk w/RMAN.

Joe

>However, in terms of disaster recovery. If you write your backups
>immediately to tape and clone the tape you can get it offsite that much
>sooner. Plus I have experienced significant problems with disk
>subsystems as compared to tape. I run all of my backups through RMAN
>using Legato Networker. Doesn't Legato Networker come with Oracle now
>in terms of pricing? That being true would you really need to spend
>additional money for another media management software like Veritas?

>Oracle OCP DBA

-----Original Message-----
Sent: Tuesday, May 06, 2003 9:52 AM
To: Multiple recipients of list ORACLE-L Subject:

Helmut, i'm always of the concept, if you have the disk by all means backup to disk first and then always backup those files to tape, sure it means potentially 2 stage process to do recovery if you have to get things back from tape first but since you have the disk and can keep copies on disk, its always faster to restore from disk.

joe

Hi!

We are about to redesign our backup environment. All Oracle Backups (8i, 9i) are done with RMAN. Now we are unsure whether to have RMAN backup to tape or to a specific area on our SAN.

Backing up to the SAN (i.e. disk) is an option, since you don't need Veritas NetBackup Oracle Agents (which are horribly expensive). We would have RMAN write the backups to disk and then move those backups to tape. The disk will be about the size to hold two weeks worth of RMAN backups.

Would this make sense? Or is it preferable to backup to tape, no matter what?

This is 8i & 9i on Sun Solaris.

Thanks,
Helmut

Joseph S Testa
Chief Technology Officer
Data Management Consulting
p: 614-791-9000
f: 614-791-9001

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Joseph S Testa
Chief Technology Officer
Data Management Consulting
p: 614-791-9000
f: 614-791-9001

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Author: 
  INET: Paula_Stankus_at_doh.state.fl.us

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