Serge, In CloudStack, you can control where VM's are deployed.
If you don't want to do any programming, the easiest is to do host-tags and storage-tags to control where vms run and their storage deployed. However, that gives you very static information. If you're fine with writing code, CloudStack offers three different types of plugins to fine tune the placement. You would write one of these plugins, change the componentcontext.xml to use your implementation and you can control the placement of the VMs. - DeploymentPlanner: Called by CloudStack to find placement for VMs. - HostAllocator: Called by DeploymentPlanner to find a hypervisor host for VMs. - StoragePoolAllocator: Called by DeploymentPlanner to find storage for volumes. Generally, we advise that DeploymentPlanner should be used for heuristics and the allocators are used for actual limitations of the hypervisor or storage. For example, in your case, you may want to write a service of your own to keep track of actual usage of cpu and peak times and then use that information to feed it back to CloudStack via a SuperComputingDeploymentPlanner. It's a little hard to be clear without the specifics. Let me know if you need more information. --Alex > -----Original Message----- > From: Serge A. Salamanka [mailto:salsa-...@tut.by] > Sent: Tuesday, March 5, 2013 1:32 PM > To: cloudstack-dev@incubator.apache.org > Subject: Re: Building on Cloudstack > > Hi, Alex > I've joined the list couple days ago. Interested in this same feature. > At the supercomputing center where I work we have lots of computing > power that could be used as a virtual supercomputer through virtualization > with CloudStack. > I'm just thinking how it can be realized with the help of CloudStack. > I guess Seif is doing something similar? > I found an article [1] that explains pretty much all that I wish to do with > CloudStack for that purpose. > > Regards, > Serge > > [1] http://sebgoa.blogspot.com/2012/11/i-was-asked-other-day-what- > was.html > > > On 06.03.2013 00:20, Alex Huang wrote: > > Seif, > > > > What is the function of your scheduler? Can you go into it a little more? > Thanks. > > > > --Alex > > > >> -----Original Message----- > >> From: Seif Eddine Jemli [mailto:seifeddineje...@gmail.com] > >> Sent: Tuesday, March 5, 2013 12:36 PM > >> To: cloudstack-dev@incubator.apache.org > >> Subject: Building on Cloudstack > >> > >> Hi, > >> > >> I am working on a project using Cloudstack. > >> I'll need to implement a scheduler to control the virtual machines > >> generated by Cloudstack. (in fact, the project is about parallel > >> calculus on different virtual machines). > >> > >> So, it seems that i have to use the Cloudstack API. > >> > >> i wanted to ask for some tips for my project. > >> > >> any volunteers? :) > >> > >> thanks in advance.
