hi,all<div><br></div><div>the following are files of pool and volume.</div><div><br></div><div>storage pool is based on logical(LVM) and iscsi,now I create volume specified the format to &quot;qcow2&quot;</div><div><br></div>
<div><b>pool.xml</b></div><div><div>&lt;pool type=&#39;logical&#39;&gt;</div><div>  &lt;name&gt;pool_190&lt;/name&gt;</div><div>  &lt;source&gt;</div><div> &lt;device path=&#39;/dev/disk/by-path/ip-192.168.0.190:3260-iscsi-iqn.2012-11.com.cloudking:server.target1-lun-1&#39;/&gt;</div>
<div>  &lt;/source&gt;</div><div>&lt;target&gt;</div><div>   &lt;path&gt;/dev/pool_190&lt;/path&gt;</div><div>&lt;/target&gt;</div><div>&lt;/pool&gt;</div></div><div><br></div><div><b>volume.xml</b></div><div><div>&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; ?&gt;</div>
<div>&lt;volume&gt;</div><div>     &lt;name&gt;volume1&lt;/name&gt;</div><div>     &lt;capacity unit=&quot;GB&quot;&gt;1&lt;/capacity&gt;</div><div>     &lt;target&gt;</div><div>          &lt;format type=&quot;qcow2&quot; /&gt;</div>
<div>     &lt;/target&gt;</div><div>&lt;/volume&gt;</div></div><div><br></div><div><b>the problmes is :when  the volume created successfully,However, the volume&#39;s format is &#39;raw&#39;</b></div><div><br></div><div>like this</div>
<div><br></div><div><div>image: /dev/pool_190/volume1</div><div><b>file format: raw</b></div><div>virtual size: 1.0G (1073741824 bytes)</div><div>disk size: 0</div></div><div><br></div><div>how to resolve this troublesome.</div>
<div><br></div><div>libvirt :0.9.8</div><div>os:ubuntu12.04</div><div><br></div><div>many thanks for any reply....</div><div><br></div><div><br></div><div><br></div><div><br></div>