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

Cole Robinson crobinso at redhat.com
Thu Mar 13 15:56:43 UTC 2014

On 03/13/2014 11:55 AM, Peng Yu wrote:
>> 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?

git clone git://fedorahosted.org/virt-manager.git
cd virt-manager
./virt-install ...

> 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

A storage pool is just a directory that libvirt will probe some info of and
expose to API users. It probes filesystem size and usage, files in the
directory, their sizes and formats, etc.

- Cole

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

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