I've checked in some modifications to the --virt-path code and
rearranged it somewhat.
To use a standard disk image with koan:
leave --virt-path off and assume defaults (like /var/lib/xen/images)
or specify --virt-path=/path/to/directory
or specify --virt-path=/path/to/directory/filename
To use an existing partition:
specify --virt-path=/dev/sda4, or equivalent
To carve out of a chunk of a volume group, of the requested --virt-size,
using the name cobbler would ordinarily choose:
have an existing LVM volume group named something, such as
VolGroup00, with some free space on it
specify --virt-path=VolGroup00, or equivalent
or be more specific: --virt-path=VolGroup00 --virt-name=asdf
(this creates /dev/mapper/VolGroup00/asdf)
Sidenote -- I've tested the above with qemu-kvm and they perform quite
well. When virt-manager's next-release supports installing these
via kickstart locations (like Xen), I'll move the kvm bits over to use
virtinst -- until then, qemu-kvm systems created with koan do not show up
in virt-manager and you have to use the standard KVM tools for basic
management. That should change very shortly.
Additionally I've added a --virt-graphics flag to koan which enables VNC
in both virt types ("qemu", "xenpv"). virt-graphics is currently not
read as a default
value from cobbler, but it probably should be. --virt-path and
--virt-type can be passed to both koan and cobbler (profile add and
system add).
--Michael
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