[libvirt] [PATCH 0/5]Add startupPolicy attribute support for hard disks

[Daniel P. Berrange]

On Mon, Mar 18, 2013 at 05:10:17PM +0800, Guannan Ren wrote:
> 
> The set of patches is trying to add 'startupPolicy' attribute support
> to the source element of hard disks. Policy levels are using the
> mandatory, requisite, optional levels as originally documented.
> 
> For the 'optional' policy, there is a little difference from CDROM and
> Floppy which only drop its source path, for disks, if missing, the
> checking function will drop their definitions, because qemu doesn't
> allow missing source path for hard disk.

What is the motivation for this feature ? I personally find even the
existing CDROM code for this to be of rather dubious value, so would
like to see a clear use case for why we need to expand this hack.

Daniel
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