Re: Active Dataguard -- Cascade Standby or not
Date: Mon, 5 Dec 2011 11:51:33 -0800 (PST)
Message-ID: <1323114693.189.YahooMailNeo_at_web83605.mail.sp1.yahoo.com>
Hi Raj,
I will share the results when they are available. I currently don't blog, although have pondered about it many times. Just need to find the time to put content on a regular basis that is valuable to others, rather than using it as a "personalized rant platform" :-)
Cheers,
Gaja
Gaja Krishna Vaidyanatha,
CEO & Founder, DBPerfMan LLC
http://www.dbperfman.com
http://www.dbcloudman.com
Phone - +1-650-743-6060
http://www.linkedin.com/in/gajakrishnavaidyanathaCo-author:Oracle Insights:Tales of the Oak Table - http://www.apress.com/book/bookDisplay.html?bID14
Co-author:Oracle Performance Tuning 101 - http://www.amazon.com/gp/reader/0072131454/ref=sib_dp_pt/102-6130796-4625766
From: rjamya <rjamya_at_gmail.com>
To: gajav_at_yahoo.com; Oracle Discussion List <oracle-l_at_freelists.org> Sent: Monday, December 5, 2011 11:04 AM
Subject: Re: Active Dataguard -- Cascade Standby or not
This would be a good case study Gaja, should we expect a nice blogpost soon
?
Raj
On Thu, Dec 1, 2011 at 1:43 PM, Gaja Krishna Vaidyanatha <gajav_at_yahoo.com>wrote:
> Hi Stalin,
> Currently doing an HA & DR PoC using ADG in the "Cascade Configuration" at
> a customer site. Conceptually, we are thinking pretty much on the same
> lines as you are and evaluating the use of the first "SYNC STANDBY" (if I
> may use that term), as the propagator to the other STANDBYs. This takes the
> additional overhead off the PRIMARY and imposes most of the propagation
> load on the SYNC STANDBY (reporting instance), yet optimizing the lag for
> the other STANDBYs. Will post the results when the PoC is complete and the
> results are available.
>
>
-- http://www.freelists.org/webpage/oracle-l -- http://www.freelists.org/webpage/oracle-lReceived on Mon Dec 05 2011 - 13:51:33 CST