RE: 24 x 7 x 365

Well, first thing that needs to be noted is that “24 x 7 x 365” indicates uptime for 7 years, which always gives me a chuckle when people say it.  Mind you, I’ve been guilty of saying it too!  J

And probably the second thing that needs to be said is that no single product addresses true HA requirements.  RAC is no different to that.  It provides machine failover capability, and while it can be stretched to a certain extent to give the illusion of site failover capability, you would still need someone like DataGuard to address issues such as human error correction. 

And probably the third thing that needs to be said is that it’s not just a technology thing.  If you don’t have robust change control, for example, a simple coding error can ensure you don’t meet your availability requirements.

<Shameless plug> And probably the fourth thing that needs to be said is that it’s all covered in one of my papers at RMOUG Training Days next February, Real Business Continuity with Oracle10g </Shameless plug>.   J

-----Original Message-----
From: ml-errors@fatcity.com [mailto:ml-errors@fatcity.com] On Behalf Of Tracy Rahmlow
Sent: Thursday, December 11, 2003 3:44 AM
To: Multiple recipients of list ORACLE-L
Subject: 24 x 7 x 365

Hello,
Our company would like to know whether or not Oracle supports true 24x7x365 availability for an oltp database.  We currently are using the 8.1.7 enterprise edition.  Does an architecture exist whereby we can upgrade the database and/or operating system and not cause an outage?  Will RAC solve this issue?  Are there any other areas of concerns that I should be thinking about?  For example, analyzing with the validate clause and its impacts on the transaction system.  Thanks

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