On 5 Mar 2014 14:59, "Stephen Borrill" <netbsd%precedence.co.uk@localhost> wrote:
>
> On Wed, 5 Mar 2014, Stephan wrote:
>>
>> What we need is something like Citrix Provisioning Services.
>
>
> Yes - but even Linux is not longer supported as guest by PVS.
>
> XenServer 6.2 has clone-on-boot (designed for MCS as opposed to PVS*) which would be a good option.
>
> The problem is the inflexibility of NetBSD's storage backends compared to the blktap stuff used by Linux. jmcneill@ was working on VHD support for vnd which he then spun out into userland by implementing a libvdisk, but this work was never finished. This would allow much more flexible storage
> backends (such as the VHD chains as used by XenServer or qcow). OTOH, LVM
> snapshots would be useful, but NetBSD doesn't support that either.
>
> * - feel free to ignore all these TLAs if you aren't into Citrix stuff.
>
> --
Another model is the extended loop device from OprnVZ http://openvz.org/Ploop/Why which looks quite a nice framework.
Justin