[asterisk-users] Asterisk Redundancy

[Dan Journo]

Hi, 

Sorry, I replied to the wrong email.

Heres the question....

If I set up two servers for load balancing and redundancy, how do I program the dial plan for internal calls? Bearing in mind that some internal users will be registered to server A, and some registered to server B?

Many thanks
Dan

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Steve Totaro
Sent: 14 February 2010 16:56
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [asterisk-users] Asterisk Redundancy

On Sun, Feb 14, 2010 at 11:42 AM, Dan Journo
<dan at keshercommunications.com> wrote:
> Hello,
>
>
>
> My host just had a faulty power supply and therefore, my Asterisk server was
> down for 7 hours.
>
> It was a Sunday so no one was making calls, however if it happened during
> the week, I'd have problems.
>
>
>
> I was trying to find a whitepaper or advice on how to set up two Asterisk
> servers to provide some redundancy.
>
>
>
> I've been googling "asterisk redundancy" but all I've found is questions,
> and no real answers.
>
> I've seen OpenSer mentioned but how does that help if extensions are
> dialling each other and they are registered on different servers?
>
>
>
> Or should I simply set up a standby server and switch to it if there are any
> problems?
>
> My platform is purely IP/SIP based. No ISDN/Analog connections.
>
>
>
> Does anyone have some advice or links on redundancy?
>
>
>
> Many thanks
>
> Dan
>

Get a "Host" that has redundant power supplies.  Was it the power
supply in the server or a phase?

Even an HP DL360 has redundant power supplies, you just yank out the
bad one and put a new one in, no downtime.

If it is power in the building, then maybe you should move your system
to a better "Host" that has different phases and plug your server into
both, via dual power supply, like the DL360.

All of my servers at Equinix are plugged into two different "Power Sources".

You can also use HA Linux (Heartbeat) in case a box dies.

Thanks,
Steve T

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