RE: Timing for Cloning with Flashback Database vs other methods
- From: Claudia Zeiler <czeiler@xxxxxxxxxx>
- To: John Hallas <John.Hallas@xxxxxxxxxxxxxxxxxx>, "niall.litchfield@xxxxxxxxx" <niall.litchfield@xxxxxxxxx>, "bbel5@xxxxxxxxxxxx" <bbel5@xxxxxxxxxxxx>
- Date: Fri, 5 Dec 2008 13:08:46 -0800
I'm running an EM clone right now. I've done it before and it is pretty
reliable. It didn't like the existing tnsnames.ora on the system because it
had been modified but not by em. The solution was to create someplace else for
the network/admin/ stuff, which I did, but which I don't like. Life is so
much easier when you stick to standard locations. I'll have to see if the
files can be moved where they belong once the cloning process is finished.
The data guard / flashback are probably wonderful the 5th time you have done
them. Isn't that the way with all our procedures?
-Claudia
From: John Hallas [mailto:John.Hallas@xxxxxxxxxxxxxxxxxx]
Sent: Friday, December 05, 2008 1:03 PM
To: Claudia Zeiler; niall.litchfield@xxxxxxxxx; bbel5@xxxxxxxxxxxx
Cc: oracle-l@xxxxxxxxxxxxx
Subject: RE: Timing for Cloning with Flashback Database vs other methods
Ah right, a combination of DG and flashback which I did hear mentioned
somewhere this week. I might see about trying that out but it does sound rather
complex and time-consuming
Having used duplicate database before I really think that is the way to go,
although as I said in my last post the EM clone option seems quite good as well.
If anybody cares to try out the whizz-bang approach then feel free to blog
about it.
John
www.jhdba.wordpress.com
________________________________
From: Claudia Zeiler [mailto:czeiler@xxxxxxxxxx]
Sent: 05 December 2008 21:00
To: niall.litchfield@xxxxxxxxx; bbel5@xxxxxxxxxxxx
Cc: John Hallas; oracle-l@xxxxxxxxxxxxx
Subject: RE: Timing for Cloning with Flashback Database vs other methods
I saw Lutz Hartmann give a demo of that at 2007 Open World on a toy database.
It looked really wiz-bang. His demo also involved ASM in the mix. I took
notes intending to try it out, and then didn't.
-Claudia
From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On
Behalf Of Niall Litchfield
Sent: Friday, December 05, 2008 12:54 PM
To: bbel5@xxxxxxxxxxxx
Cc: John Hallas; oracle-l@xxxxxxxxxxxxx
Subject: Re: Timing for Cloning with Flashback Database vs other methods
That sounds like
1) setup standby - physical
2) open standby read-write at time x
3) do stuff
4) flashback to before x
5) resume standby
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