<p>How about setting up a high availability cluster using DRBD and Heartbeat? There is some good info on it on the Internet. In this type of setup you have two exact same servers running in parallel, and only one has the required services up. They keep themselves in sync. When the primary one goes down, the secondary instantly takes over. Active calls are though dropped, but after that everything is back to normal. There are various other options regarding which server will stay primary, or how and which services will be used on which server.</p>
<p>Another option I am exploring is using the same thing but in Proxmox with DRBD. Somebody told me it could be setup so that even the active calls are not dropped. I haven't set it up yet, but will try it when get time.<br>
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<p>Zeeshan A Zakaria</p>
<p>--<br>
<a href="http://www.ilovetovoip.com">www.ilovetovoip.com</a></p>
<p><blockquote type="cite">On 2010-10-18 10:59 AM, "Danny Nicholas" <<a href="mailto:danny@debsinc.com">danny@debsinc.com</a>> wrote:<br><br>
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<p class="MsoNormal"><b><font size="2" face="Tahoma"><span style="font-size:10.0pt;font-family:Tahoma;font-weight:bold">From:</span></font></b><font size="2" face="Tahoma"><span style="font-size:10.0pt;font-family:Tahoma">
<a href="mailto:asterisk-users-bounces@lists.digium.com" target="_blank">asterisk-users-bounces@lists.digium.com</a>
[mailto:<a href="mailto:asterisk-users-bounces@lists.digium.com" target="_blank">asterisk-users-bounces@lists.digium.com</a>] <b><span style="font-weight:bold">On Behalf Of </span></b>Rizwan Hisham<p><font color="#500050"><br>
Sent: Monday, October 18, 2010 9:43 AM</font></p><p><font color="#500050">To: Asterisk Users Mailing List - Non-Commercial Discussion</font></p><p><font color="#500050">Subject: Re: [asterisk-users] clustering</font></p></span></font></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><font size="3" face="Times New Roman"><span style="font-size:12.0pt">Unfortunately we are too
late to switch to Kamailio. I mean we have developed our pbx with call features
and routing on asterisk only. If we switch to some other software that means we
will have to redo a lot of development again. I was thinking of using DUNDi and
distributing the registrations on different servers.<p><font color="#500050"><br><br>I just dont get one point. lets say if i have 2 users registered on different asterisk servers and...</font></p></span></font></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><font size="2" color="navy" face="Arial"><span style="font-size:10.0pt;font-family:Arial;color:navy">Sorry for
second post, but I have a Polycom 501 registered to 3 servers. I hit the line
button and if the server I pick is down, I don’t get a dial tone. Hope
this is useful.</span></font></p>
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