On 01/10/2014 02:57 PM, Stephen Frost wrote:
> Yes, if you have a BBU that memory is authoritative in most cases. But
> in that case the argument of having two disks is pretty much pointless,
> the SPOF suddenly became the battery + ram.
>
>
> If that is a concern then use multiple controllers. Certainly not
> unheard of- look at SANs...
>
And in PostgreSQL we obviously have the option of having a third or
fourth standby but that isn't the problem we are trying to solve.
JD
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