[asterisk-users] Poor man's High Availability solution

[Vicente Aguilar]

Hi

We've got a redfone here and it's working great so far, despite all the
TDMoE bad press.

The 4-span version is slightly more expensive than a TE410P, so in the
end it's gonna be a more affordable solution as you'd need two digium
cards (plus maybe the ISDN guard).

The downside is that it doesn't have echo cancellation, so you'll have
to do it via software while some cards do it on hardware (faster,
better, less CPU-intensive...)

El sáb, 28-04-2007 a las 23:22 +0200, Laurent CARON escribió:
> Hi,
> 
> I'm wondering what the best option to obtain a high availability
> asterisk server is.
> 
> I currently use a TE410P (4 x E1) card.
> 
> I'm thinking of 2 different solutions:
> 
> - 2 servers configured with Heartbeat + DRBD (drbd mainly for
> voicemail....) and the E1 span plugged to the 2 servers (with a TE410P
> in each server).
> 
> - 2 servers configures with Heartbeat + DRBD with the E1 span hooked to
> an ISDN guard connected to the main server and the backup one.
> 
> Here comes the real question.
> 
> Is it "technically" good to connect an E1 span to 2 cards at the same
> time (with only one accepting the calls).
> 
> Since it is possible with BRI cards, i'm wondering if it could be done
> with PRI.
> 
> Thanks
> 
> Laurent
> 
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-- 
 Vicente Aguilar <vjaguilar at renr.es>
 Dpto. de Infraestructuras
 Tlf.: 965 98 71 92

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