[libvirt-users] how to make the volume's format to qcow2 when creating volume
Daniel P. Berrange
berrange at redhat.com
Mon Nov 19 10:57:46 UTC 2012
On Mon, Nov 19, 2012 at 06:53:44PM +0800, zhijun liu wrote:
> hi,all
>
> the following are files of pool and volume.
>
> storage pool is based on logical(LVM) and iscsi,now I create volume
> specified the format to "qcow2"
>
> *pool.xml*
> <pool type='logical'>
> <name>pool_190</name>
> <source>
> <device
> path='/dev/disk/by-path/ip-192.168.0.190:3260-iscsi-iqn.2012-11.com.cloudking:server.target1-lun-1'/>
> </source>
> <target>
> <path>/dev/pool_190</path>
> </target>
> </pool>
>
> *volume.xml*
> <?xml version="1.0" encoding="UTF-8" ?>
> <volume>
> <name>volume1</name>
> <capacity unit="GB">1</capacity>
> <target>
> <format type="qcow2" />
> </target>
> </volume>
>
> *the problmes is :when the volume created successfully,However, the
> volume's format is 'raw'*
The use of non-raw formats is only supported for file based
storage volumes. You're using LVM, so its always creating it
raw.
Danel
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