Oracle RAC with Active Data Guard : Maximum Availability Architecture
From: Chris King <ckaj111_at_yahoo.ca>
Date: Mon, 23 Dec 2013 06:37:08 -0800 (PST)
Message-ID: <1387809428.54961.YahooMailNeo_at_web141405.mail.bf1.yahoo.com>
We're architecting a new system, and will need 99.5% availability. Looking over Oracle's MAA options, I see RAC with Data Guard. .. but it's not clear to me how this would actually work to avoid ALL downtime. Won't I still need downtime to apply patches, even if I use rolling patches? And isn't it more complex applying patches when there's a standby involved?
Date: Mon, 23 Dec 2013 06:37:08 -0800 (PST)
Message-ID: <1387809428.54961.YahooMailNeo_at_web141405.mail.bf1.yahoo.com>
We're architecting a new system, and will need 99.5% availability. Looking over Oracle's MAA options, I see RAC with Data Guard. .. but it's not clear to me how this would actually work to avoid ALL downtime. Won't I still need downtime to apply patches, even if I use rolling patches? And isn't it more complex applying patches when there's a standby involved?
Is 99.5% really achievable with this combination?
Thanks in advance..
-- http://www.freelists.org/webpage/oracle-lReceived on Mon Dec 23 2013 - 15:37:08 CET