On 03/08/2016 03:38 PM, Dave Cramer wrote:

On 8 March 2016 at 15:33, Alvin Starr <alvin@netvel.net> wrote:
At the bottom end you can use virsh/libvirt and virt-manager to handle a small to medium number of VM's over a number of host machines.

Ya I was aware of this, works fine for a "couple"

Well I run 4 host systems with with about 20 defined VMs but I usually only have 5-10 running at any given time.
It works ok  and is just there out of the box with no worries about configuration.


There is also complete distributions like Proxmox that can manage VM's

There are several cloud frameworks that will allow you to build out to large size.
I have worked with a number of the OpenStack toolkits and you can get reasonable simple installation using RDO Packstack.

The upside of cloud frameworks over libvirt or proxmox is that you have better isolation between VMs if that is important to you.

The biggest problem is that there is SO much choice and all the products have a lot of capability overlap.

Hence the question 

Are these 50VMs going to be running at the same time or will it be something like 50 test images and only 1 or 2 running at one time?

not all on the same host obviously
I have a client who has a couple of 768GB of ram systems so 50VMs on a box that big would be doable.

 
How may host machines to you expect to have?

as required by the VM's 

Do you plan to have a separate system to manage and co-ordinate the VMs?

I gather this is a good idea?

Take a look at RDO packstack. You can start with the --allinone install to play and get a feel for how OpenStack works.
Another solution that I forgot to mention is Mirantis.
They have an excellent product that installs and manages OpenStack.
They are primarily trying to sell their services but they are based on opensource so you can get a reduced less friendly version from the net.
To their credit if you have a rack full of servers and a Mirantis image you can have a working cloud the same day.

If you feel like giving Packstack a try find me off the list and I can talk you through getting started.

I searched out the following for a client a couple of years ago and I am sure it will put you to sleep tracking them all down and searching.

Abiquo



Dave Cramer

 


On 03/08/2016 03:18 PM, Dave Cramer wrote:
What open source framework would you use to host a limited number < 50 VM's

Ideally has a GUI, but not absolutely necessary.

Dave Cramer


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-- 
Alvin Starr                   ||   voice: (905)513-7688
Netvel Inc.                   ||   Cell:  (416)806-0133
alvin@netvel.net              ||