Re: [one-users] Instance migration based on resources

2013-01-18 Thread Ruben S. Montero
> My only question is to know if, actually, is possible to shutdown an > image (with persistent storage), change the template increasing some > resources and then power it again with no data loss. (and in a very > short time) > It basically depends on your storage backend, but I'd say that scenar

Re: [one-users] Instance migration based on resources

2013-01-16 Thread Ruben S. Montero
Hi We've considered this a couple of times in the past, and first, the support from the hypervisor and (most notably) guest OS'es is not uniform. And second, we have the work needed to make this happen. As *very accurately* :) described by Simon this implies recalculating quotas, implications on t

Re: [one-users] Instance migration based on resources

2013-01-16 Thread Simon Boulet
It's definitively possible to do offline upgrade/downgrade with OpenNebula. You need to cancel the VM and submit a new template reusing the image. The main problem is the image, you need to make it persistent. Making hot upgrade/downgrade of CPU and memory is not currently possible directly in Ope

Re: [one-users] Instance migration based on resources

2013-01-16 Thread christopher barry
On Tue, 2013-01-15 at 23:27 +, André Monteiro wrote: > Hi Gandalf, > > > If you don't want to destroy the VM for some reason, check my message > on > http://lists.opennebula.org/pipermail/users-opennebula.org/2012-August/020021.html > > > -- > André Monteiro > reading that thread it appe

Re: [one-users] Instance migration based on resources

2013-01-15 Thread André Monteiro
Hi Gandalf, If you don't want to destroy the VM for some reason, check my message on http://lists.opennebula.org/pipermail/users-opennebula.org/2012-August/020021.html -- André Monteiro On Tue, Jan 15, 2013 at 10:50 PM, Gandalf Corvotempesta < gandalf.corvotempe...@gmail.com> wrote: > 2013/1

Re: [one-users] Instance migration based on resources

2013-01-15 Thread Ruben S. Montero
> Actually is not possible to increase RAM for a VM ? > No, currently is not. > ___ > Users mailing list > Users@lists.opennebula.org > http://lists.opennebula.org/listinfo.cgi/users-opennebula.org > -- Ruben S. Montero, PhD Project co-Lead and Chi

Re: [one-users] Instance migration based on resources

2013-01-15 Thread Gandalf Corvotempesta
2013/1/15 Carlos Martín Sánchez : > I think I misunderstood you, I thought you were asking for advise to > develop the resize feature.. such feature does not exist yet. Actually is not possible to increase RAM for a VM ? ___ Users mailing list Users@lis

Re: [one-users] Instance migration based on resources

2013-01-15 Thread Carlos Martín Sánchez
Hi, I think I misunderstood you, I thought you were asking for advise to develop the resize feature.. such feature does not exist yet. Regards -- Carlos Martín, MSc Project Engineer OpenNebula - The Open-source Solution for Data Center Virtualization www.OpenNebula.org | cmar...@opennebula.org |

Re: [one-users] Instance migration based on resources

2013-01-11 Thread Gandalf Corvotempesta
2013/1/11 Carlos Martín Sánchez : > Hi, > > Is that a feature you are implementing? > If you modify the VM capacity, the onevm resched command [1] will tell the > scheduler to (live)migrate it to a better host. I'm evaluating. What I would like to know is: let's assume a VM running with 1GB RAM o

Re: [one-users] Instance migration based on resources

2013-01-11 Thread Carlos Martín Sánchez
Hi, Is that a feature you are implementing? If you modify the VM capacity, the onevm resched command [1] will tell the scheduler to (live)migrate it to a better host. Regards http://opennebula.org/documentation:rel3.8:schg#re-scheduling_virtual_machines -- Carlos Martín, MSc Project Engineer Ope