August 2011
Intermediate to advanced
576 pages
16h 12m
English
book
Oracle Database 11g Oracle Real Application Clusters Handbook, 2nd Edition, 2nd Edition
by K Gopalakrishnan
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CHAPTER 15Extending Oracle RAC for Maximum Availability
As Real Application Clusters is becoming an increasingly common solution for scalability across enterprises, it is time to think beyond the obvious. Oracle RAC is designed primarily as a scalability and availability solution that resides in a single datacenter. However, it is possible, under certain circumstances, to build and deploy an Oracle RAC system in which the nodes in the cluster are locationally isolated by great distances. Having nodes in geographically separate locations provides continuous data availability and limited disaster recovery in case of site failures.
The choice of extending Oracle RAC depends on the failure it is designed to address. To protect against multiple points ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.