Re: Is RAC really HA on Linux

Steve,

Those archivelog destinations are all mandatory, right? Non-mandatory destinations shouldn't really be counted on and may do more harm than good.

Paul

On Mon, 13 Sep 2004 15:38:47 -0400, Stephen Evans <evans036_at_mc.duke.edu> wrote:

> we are a hospital & somes apps are so mission critical that patient care
> is compromised for every minute of downtime we incur.

oh. that sounds like a serious requirement which would likely be able to carry a budget to support it.

> we are extensively using data guard right now. we have also achieved zero
> data loss on the san (against a SINGLE point of failure) by using a
> combination of dataguard and triplexing our active redos on two stroage
> controllers (in different locations) and on local unix storage. We are
> almost certain that we will always be able to obtain at least one copy of
> the active redo if any part of the system goes belly-up (hence zero
> dataloss once applied to our physical standby).
>

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