2011/1/13 Erik Carlin <[email protected]> > I would just call it VMDK. That's what Vmware > (http://www.vmware.com/technical-resources/interfaces/vmdk.html) and > everyone else calls it, even though there may be extra files to support > it. We're just naming the disk format here. > > There are several subtypes of VMDK disk formats: monolithic, sparse, streamOptimized and more... some have the information selfcontained, other needs parameter files, other are compressed, some cannot be executed in VMware ESX without converting it...
If I am not wrong Glance is like a repository of images to serve the computing nodes. So probably the sparseOptimized format should be the right VMDK to use. The problem is it has to be converted to a runnable VMDK type before deploying it. My 2 cents, Diego - Diego Parrilla nubeblog.com | [email protected] | twitter.com/nubeblog +34 649 94 43 29 > We had also talked about the IMG disk format to support AMIs but RAW is > the same thing so we are covered there. > > Erik > > > > On 1/13/11 9:15 AM, "Jay Pipes" <[email protected]> wrote: > > >2011/1/13 Diego Parrilla Santamaría <[email protected] > >: > >> An appliance is the combination of metadata describing the virtual > >>machine > >> plus the virtual disks. The standard format in the virtualization > >>industry > >> is OVF. Basically, differs from VMX+VMDK(s) because it has a XML format > >>that > >> describes the virtual machine (and little bit its environment like > >> firewalling, policies, etc...). > >> VMX is VMware specific, and OVF is vendor agnostic (or should be...). > >>From > >> my perspective VMX + VMDK(s) is not an appliance format, but this is the > >> kind of topic for a long discussion ;-) > >> If you are looking for a simple way to describe the virtual machine > >> parameters for an appliance, check OVF specs to get some inspiration. I > >> think OVF full spec is overkill because the simpler approach of Nova. > > > >Thanks for the explanation, Diego! Much appreciated. > > > >The question arises because we are wondering what information to store > >in Glance's registry that describes an image. I had proposed the > >following, with additions from John Purrier: > > > >disk_format: choices: VHD, VDI, VMDK, RAW, & QCOW2 > >appliance_format: choices: OVF, OVA, & AMI. > > > >Do you agree that we should put VMX in the list of appliance formats, > >as Ewan Mellor suggested? > > > >Cheers! > >jay > > > >_______________________________________________ > >Mailing list: https://launchpad.net/~openstack > >Post to : [email protected] > >Unsubscribe : https://launchpad.net/~openstack > >More help : https://help.launchpad.net/ListHelp > >
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