Hi Nitin, I was trying on running vm only, but I was using changeServiceForVirtualMachine API instead of scaleVirtualMachine API. But I wonder why changeServiceForVirtualMachine API succeeded in allocating more than host capacity.
What is the basic difference between these two operations? Regards, Gaurav On Tue, Oct 1, 2013 at 10:45 PM, Nitin Mehta <nitin.me...@citrix.com> wrote: > Gaurav - Were you trying this on a stopped vm ? If you try and start it > with an offering > above the host capacity (including over provisioning ) then it shouldn't > start. Let me know how it goes. > > More details on scale vm feature @ > https://cwiki.apache.org/confluence/display/CLOUDSTACK/Dynamic+scaling+of+C > PU+and+RAM > > On 01/10/13 12:02 AM, "Gaurav Aradhye" <gaurav.arad...@clogeny.com> wrote: > > >Thanks David. That disabuses my confusion about the CPU provisioning. I > >was > >using the wrong API to scale up the virtual machine, so above observations > >stand invalid till I get the same results with the right API. > > > >About over-provisioning, I have the over provisioning factor set as 1 both > >in case of CPU and memory. > > > >Regards, > >Gaurav > > > > > >On Mon, Sep 30, 2013 at 10:55 PM, David Ortiz <dpor...@outlook.com> > wrote: > > > >> A machine won't be able to support more cores on a VM than the physical > >> processor. That should result in problems trying to deploy it. I'm > >> guessing the service offering is still valid since you could add a host > >> later which has a hex core or two cpus in it. As far as RAM goes, do > >>you > >> have overprovisioning enabled? > >> > >> > From: gaurav.arad...@clogeny.com > >> > Date: Mon, 30 Sep 2013 14:00:04 +0530 > >> > Subject: Scaling up cpu and memory of user vm above host capacity > >> > To: dev@cloudstack.apache.org > >> > > >> > Hi, > >> > > >> > I am trying to automate a scenario here. I have only one host in > >>cluster > >> > with 4 CPU cores and 15 GB total memory. When I try to scale up cpu > >>and > >> RAM > >> > of a running user vm above the host capacity, it doesn't throw any > >>error > >> > and I can see the updated values in VM statistics too. > >> > > >> > For CPU, I am able to change the service offering of user vm as 5 > >>cores > >> * > >> > 100 MHz (even though host has 4 cores). I am not sure how this > >> calculation > >> > is done. Definitely many no. of virtual cores can be formed on host > >>(more > >> > than 4), but is it possible to allocate 5 cores to single VM ? When I > >>try > >> > to deploy new VM with 5 core CPU service offering, then in this case > >>it > >> > fails saying not enough server capacity. > >> > > >> > Also, For memory, I am able to create 17 GB memory service offering > >>and > >> > allocate it to any running user vm (although the total memory on host > >>is > >> 15 > >> > GB). > >> > > >> > Any directions? Is this an issue or am I missing something here? > >> > > >> > Regards, > >> > Gaurav > >> > >> > >
