Re: [Xen-users] Which one to use: Xen HV, Xen Cloud Platform, or Citrix XenServer?

[insrc <informatique.src@xxxxxxxxx>]

On Wed, Jun 27, 2012 at 1:01 AM, Eric <epretorious@xxxxxxxxx> wrote:

With so many different avenues for using Xen I'm wondering which path to take:

• Xen Hypervisor (e.g., CentOS 5.x, Debian {4,5,6}, etc),
• Xen Cloud Platform [XCP], or
• Citrix XenServer [XS].

I was in the same situation as you are. Took a close look at XenServer and on my way to consider XCP but then i stumble upon  Ganeti http://code.google.com/p/ganeti/). 

Ganeti (http://code.google.com/p/ganeti/) is a free (heterogeneous) cluster virtual server management developed by Google folks. It can use  xen or kvm as hypervisor and drbd (or shared storage) for disk storage.   

For more on ganeti, i found the references below interesting:

  - a video presentation about ganeti: http://www.youtube.com/watch?v=aQc8GcedfEU 

  - a rather complete presentation: http://lancealbertson.com/slides/ganeti-scale9x/#1

  - Ganeti WebManager is a nice GUI frontend: https://code.osuosl.org/projects/ganeti-webmgr/

Is there one platform that...

• is more stable?

Ganeti is used internally at Google, Mozilla and others institution 

• has more features? e.g., live migration, high-availability, etc.
  

Ganeti has live migration and many more features. 

It lacks  built-in HA as there's no pacemaker integration or things like that.  However , you can easily move all instance (aka VMs)  running on a node (aka host) to another node  with a single  command. It's just that it won't happen automatically 

• tracks Xen HV development more closely?
  

Works with your standard Xen Hypervisor packaged by your favourite distribution 

Is there one Linux distro that...

• is more stable than the others?
  

Use your favorite distro. But FYI, package for debian are made by one of the dev' . But folks are running ganeti on top of RedHat, Gentoo... 

HTH, 

Thanks ! 

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