[virt-tools-list] "ERROR Format cannot be specified for unmanaged storage."

[Peng Yu]

> No, managed in this case means that /tmp is not a libvirt storage pool, and
> therefor we don't know how to create a qcow2 disk image (it's only supported
> through libvirt's storage APIs).
>
> The latest release of virt-install 1.0.0 will turn /tmp into a storage pool
> automatically. To do it manually, you can do

What is the easiest way to install virt-install 1.0.0 on ubuntu 13.10?

I'm trying to understand "storage pool". It sounds a little bit
complex. Would you please help me understand what you mean by "storage
pool"? Why is it called a pool? Thanks.

http://libvirt.org/storage.html

> virsh pool-define-as --name tmppool --type dir --target /tmp
> virsh pool-start tmppool

-- 
Regards,
Peng