Re: Multimaster replication as alternative backup

Verification was easy. We just powered down the primary machine, changed the db name in the external table, drop the replication on the backup server and restart the application. Everything worked fine. After 2-3 days, over the weekend, we rebuilt the replication again.

Yechiel Adar
Mehish
----- Original Message -----
To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com> Sent: Wednesday, November 19, 2003 8:00 PM

> Yechiel - So how do you verify your backup environment? My gut feeling is
> that simpler systems are less prone to catastrophe, and multimaster
> replication definitely adds a lot of pieces compared to conventional
> backups.
>
> Dennis Williams
> DBA
> Lifetouch, Inc.
> dwilliams_at_lifetouch.com
>
> -----Original Message-----
> Sent: Wednesday, November 19, 2003 11:05 AM
> To: Multiple recipients of list ORACLE-L
>
>
> We are doing exactly that. We use multi master synchronous replication. In
> case the regular server dies, we drop replication from the backup machine.
> Change one parameter in the application ini file (what db name to use in
> connections), start the application again. About 5 minutes turn around
time.
> Use it only if you have high speed connection and the servers are close.
It
> adds about 10% overhead to the application. It depends on the amount of
> updates vs. selects of the application.
>
> Yechiel Adar
> Mehish
> ----- Original Message -----
> To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com>
> Sent: Wednesday, November 19, 2003 6:54 AM
>
>
> > Hello!
> >
> > What do you think of additional backup method as multimaster
replication?
> > Isn't it a way to continue working normal, if main database crash and I
> move
> > all connections to another master site?
> >
> > --
> > Oracle 9i DBA beginner
> >
> >
> > --
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> > --
> > Author: VirVit
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> Author: Yechiel Adar
> INET: adar76_at_inter.net.il
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> Author: DENNIS WILLIAMS
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-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.net
-- 
Author: Yechiel Adar
  INET: adar76_at_inter.net.il

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