I want to have less as possible HA-linux, DNS solutions…
It is always the same problem:
When we add a solution for failover, if that solution is down, the
failover is out of work!
that happens to every solution. The HA is given by the fact you add a
new node managed by a system that is less exposed to unavailability than
the new node.
It can happen that the router before your network crashes. So you don't
have anymore to worry for your HA, but you can add a backup link.
So there is no simple and 100% reliable HA solution. You have to go to
the level that satisfies your needs.
If a software crashes, then can be started by another application which
does just monitoring of that application. But of course, if monitoring
and application crashes in the same time, you are unlucky, adding
another monitor for monitoring app decreases the chance that all 3 apps
crashes in the same time ...
Cheers,
Daniel
I don’t want to have DNS solution, Linux-HA…
*De :* LetMeKnow [mailto:sunkara.raviprakash.feb14@gmail.com]
*Envoyé :* mercredi 3 décembre 2008 11:06
*À :* BERGANZ François
*Cc :* Daniel-Constantin Mierla; users(a)lists.kamailio.org
*Objet :* Re: [Kamailio-Users] how to use 2 mysql servers?
Hi ,
Can you use the Heart-Beat.
Thanks &Regards
Ravi Prakash Sunkara
VoIP Architect & JAVA-SIP Developer
+91-9999882776
2008/12/3 BERGANZ François <francois(a)acropolistelecom.net
<mailto:francois@acropolistelecom.net>>
I have 2 Kamailio (if one is down, I can continue)
I have more than 2 asterisk
But, kamailio can ask just one mysql server!
-----Message d'origine-----
De : Daniel-Constantin Mierla [mailto:miconda@gmail.com
<mailto:miconda@gmail.com>]
Envoyé : mercredi 3 décembre 2008 10:56
À : BERGANZ François
Cc : users(a)lists.kamailio.org <mailto:users@lists.kamailio.org>
Objet : Re: [Kamailio-Users] how to use 2 mysql servers?
On 12/03/08 10:14, BERGANZ François wrote:
And, if the mysql-proxy is down… ?
what do you have in place when kamailio/openser is down?
Cheers,
Daniel
*De :* users-bounces(a)lists.kamailio.org
<mailto:users-bounces@lists.kamailio.org>
[mailto:users-bounces@lists.kamailio.org
<mailto:users-bounces@lists.kamailio.org>] *De la part de* Pablo Hernan
Saro
*Envoyé :* mardi 2 décembre 2008 20:03
*À :* Daniel-Constantin Mierla
*Cc :* users(a)lists.kamailio.org <mailto:users@lists.kamailio.org>
*Objet :* Re: [Kamailio-Users] how to use 2 mysql servers?
Hi Daniel,
There is a thread at opensips users list (Sbjt "How to do failover of
mysql connection") where Krunal Patel says:
I have installed mysql-proxy.
I have tested it for failover.
It seems working.
As you know it stills alpha, but I see it as a good solution.
BR
Pablo
On Tue, Dec 2, 2008 at 9:03 AM, Daniel-Constantin Mierla
<miconda(a)gmail.com <mailto:miconda@gmail.com>
<mailto:miconda@gmail.com <mailto:miconda@gmail.com>>> wrote:
Hello,
On 12/01/08 19:49, Jeremy McNamara wrote:
> BERGANZ François wrote:
>>
>> Hello,
>>
>> I need to know how to use 2 mysql servers, if my first server go
down…
Have you an idea?
Quite a few different ways depending on your ultimate goal. I believe
the simplest method would be to setup
a master-master replication between your two mysql servers.
Then place both IP addresses in a single DNS A record, which gives you
a round robin effect, but doesn't necessarily achieve 'high
availability.'
A more complex situation would be ultramonkey (linux-ha) and/or some
sort of mysql connection proxying environment.
anyone having good/bad experience with mysql-proxy?
http://forge.mysql.com/wiki/MySQL_Proxy
It should be a simple solution to solve the issue discussed here.
Cheers,
Daniel
--
Daniel-Constantin Mierla
http://www.asipto.com
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http://www.asipto.com
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