[asterisk-users] Running Asterisk on VMware ESX

[David Wessell]

We virtualize every asterisk install, and have achieved density levels of
80MB RAM per install of asterisk. We do it all day, every day.

As Chris wrote if you're putting it on shared hardware that you don't
control, just don't. If you control all of the hardware it's very doable.

Thanks
David

On Sun, Jun 10, 2012 at 3:07 PM, Chris Bagnall
<asterisk at lists.minotaur.cc>wrote:

> On 8/6/12 9:17 pm, Hiers, Richard wrote:
>
>> I don't expect to need to use any special hardware, just a sip trunk over
>> our broadband connection.  We have about 150 phones at present.  Is ESX a
>> viable platform for us?  And second, what is the recommended virtual
>> configuration (mem, cpu, etc.)?  Any other considerations?
>>
>
> I think the concern expressed about running Asterisk on a virtualised
> platform is more to do with the impact the other load on the host machine
> might have on your Asterisk VM. If you're using ESX in a shared hosting
> environment where you have very little control over the other workload on
> that host, then sooner or later there's a risk your VM is going to
> experience spikes in latency.
>
> On the other hand, if you're running a virtualised platform internally
> where you can control precisely the load on the host machine, then you'll
> probably find you're fine.
>
> FWIW, we run Asterisk under Xen in production. Some of the VMs have well
> over a thousand connected SIP devices and we've yet to encounter
> significant problems. But we're able to control the other VMs on the hosts
> very precisely: the only other VMs running on those hosts provide low-load
> services such as rsync for remote backup (which is only used late at night
> when call load is low on the Asterisk VMs).
>
> Running Asterisk in a VM, even if it's the only VM on that host, does give
> you some considerable benefits in the event of host machine failover:
> hardware independence and live migration are the two that spring
> immediately to mind.
>
> Kind regards,
>
> Chris
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