asterisk users - Jan 2006 - Asterisk and Linux-HA

Hi Srs.,
 
    we have installing two machines with Asterisk and Linux-HA. I just copy
conf files and voicemail files and more with rsync, and now I want to test
with Linux-HA if asterisk is up. I'm installing Asterisk over Debian, but I
haven't a status function in asterisk script. 
 
Any one help me to know how can I check if asterisk is up? If I switch off
master machine or I cut network cable, second machine goes up OK, but if I
switch on or replug cable in Main machine, all works fine but I realize that
slave machine doesn't down asterisk.
 
Any one has installed this system?
 
 
regards,
 
tron
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Doesn't heartbeat take care of this? It's been awhile since I've
configured it. If two servers join back together as master, one of
them shuts down its services. Maybe I'm just wishfully thinking..

There's also a directive to determine if a secondary should fail back
over to the master if it comes back up.

All your 'shared' services should be controlled by heartbeat -- you
shouldn't have to do anything except use the supplied init scripts.

On 1/19/06, Tron <asterisk.tron@gmail.com> wrote:
>
> Hi Srs.,
>
>     we have installing two machines with Asterisk and Linux-HA. I just copy
> conf files and voicemail files and more with rsync, and now I want to test
> with Linux-HA if asterisk is up. I'm installing Asterisk over Debian,
but I
> haven't a status function in asterisk script.
>
> Any one help me to know how can I check if asterisk is up? If I switch off
> master machine or I cut network cable, second machine goes up OK, but if I
> switch on or replug cable in Main machine, all works fine but I realize
that
> slave machine doesn't down asterisk.
>
> Any one has installed this system?
>
>
> regards,
>
> tron
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>

Yes, heartbeat is good at monitoring system and network availability, but to
monitor applications as well, you need to jump through hoops and do some custom
development. A shame really because without that it's useless.

Also, heartbeat only works in a primary/secondary fashion. Ie you can't have
both systems in your cluster serving asterisk at the same time. This is because
you only have one virtual IP address, and when the master fails, the secondary
gets the virtual IP adddress. Once again, useless if you want to load balance
your asterisk systems. That's what we wanted, and why we didn't go down
this path. You also might want to check and see what the effect is on Asterisk
of having your IP address change without restarting asterisk.

Doug.

-----Original Message-----
From: Tron [mailto:asterisk.tron@gmail.com]
Sent: Thursday, January 19, 2006 9:00 AM
To: 'Asterisk Users Mailing List - Non-Commercial Discussion'
Subject: RE: [Asterisk-Users] Asterisk and Linux-HA


Then, say you that I must to do a script that check if asterisk is alive?



-----Mensaje original-----
De: asterisk-users-bounces@lists.digium.com
[mailto:asterisk-users-bounces@lists.digium.com] En nombre de Mimmus
Enviado el: jueves, 19 de enero de 2006 16:51
Para: 'Asterisk Users Mailing List - Non-Commercial Discussion'
Asunto: RE: [Asterisk-Users] Asterisk and Linux-HA

Heartbeat monitors only 'life' of cluster members.
Service should be monitored by a custom script.

Mimmus

> -----Original Message-----
> From: asterisk-users-bounces@lists.digium.com
> [mailto:asterisk-users-bounces@lists.digium.com] On Behalf Of Gary 
> Richardson
> Sent: Thursday, January 19, 2006 4:28 PM
> To: Asterisk Users Mailing List - Non-Commercial Discussion
> Subject: Re: [Asterisk-Users] Asterisk and Linux-HA
> 
> Doesn't heartbeat take care of this? It's been awhile since
I've
> configured it. If two servers join back together as master, one of 
> them shuts down its services. Maybe I'm just wishfully thinking..
> 
> There's also a directive to determine if a secondary should fail back 
> over to the master if it comes back up.
> 
> All your 'shared' services should be controlled by heartbeat
> -- you shouldn't have to do anything except use the supplied init 
> scripts.
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