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2 node RAC vs Master <-> Slave failover

jfbaro-JavaNetFeb 19 2013 — edited Feb 19 2013

Hi there,

I always heard Oracle RAC is a super robust solution when it comes to availability, but how does it (2 node Oracle RAC) compare to MySQL Master-Slave configuration?

They say MySQL Master/Slave can failover in about 5 to 10 seconds, and no data is lost. So the application would drop some connections for 5 to 10 seconds.

What about RAC, is it a zero downtime solution? Would it keep the connections running even if the client was connected to the "faulty" server?

In summary, what makes Oracle RAC (2 nodes) so much better than other solutions (regarding Availability only)?

Cheers

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Locked on Mar 19 2013

Added on Feb 19 2013

#performance-availability, #rac-asm-clusterware-installation

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