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 >> >>
