That would set the stage for PBX-type redundancy.
 

> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] 
> Sent: March 2, 2006 4:58 PM
> To: TAUG
> Subject: [on-asterisk] containers, virtualization, and high 
> availability
> 
> I've been meaning to try out migrating a running Xen machine 
> running asterisk from one computer to another to see if 
> there's any call interruption. My rudimentary ping/ssh tests 
> have been successful, showing no interruption of service.
> 
> Can you migrating a running container from one computer to 
> another with Solaris 10? I know it's supported in VMWare 
> ESX($$$), and Xen.
> 
> The feature I'm really looking foward to in Xen is something 
> called lock-step execution -- a technique which allows you to 
> have two or more machines running the same instructions and 
> have one immediately step in for another if the other crashes 
> or has an underlying hardware fault.
> Along with that comes replayability, so that you can go back 
> in time and see what the machine was doing just before the 
> failure. Sweet!
> 
> Cheers,
> Simon P. Ditner
> 
> On Thu, 2 Mar 2006, Paul Nash wrote:
> 
> > > running x number of virtual Asterisk servers on one 
> physical Linux 
> > > server to a SAN,
> >
> > I assume that you're thinking of Linux running on VMWare 
> running on Linux.
> > VMWare have an enterprise product (not sure if it's hit the streets 
> > yet) that is similar to IBM's mainframe VM supervisor.  Very 
> > lightweight, partitions the machine, loads onto bare metal. 
>  Almost no overhead.
> >
> > If you want to do the same thing for free, look at Xen, which has a 
> > similar approach.  The guest operating system has to understand Xen 
> > (which makes for great performance), but both Linux and NetBSD have 
> > Xen ports.  You may have to hack up some digium/sangoma 
> drives for Xen 
> > to present virtual cards to the VMs, but that shouldn't 
> take very long.
> >
> > Solaris is a fine enterprise OS, but is *very* resource-hungry.
> >
> >     paul
> >
> > 
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