[libvirt-users] storage pool and volume usage question

Paul Carlton paul.carlton2 at hpe.com
Fri Jan 29 16:32:05 UTC 2016


Hi

I'm creating a storage volume in a storage pool (directory type).

I'd like to create a volume that creates a file in a sub directory under 
the directory that the pool points to but am not able to work out how, 
maybe it is not possible?

My pool was created using following xml...

<pool type='dir'>
   <name>nova-local-pool</name>
   <target>
<path>/home/pcarlton/openstack/stuff/instances</path>
     <permissions>
       <mode>0755</mode>
       <owner>1000</owner>
       <group>130</group>
     </permissions>
   </target>
</pool>

The volume was created using this xml...

stgvol_xml = """
<volume>
   <name>4291f96a-759a-4b8a-bfe2-7a8ccb118b75-disk</name>
   <allocation>0</allocation>
   <capacity unit="G">1</capacity>
   <target>
     <format type='qcow2'/>
     <permissions>
       <owner>1000</owner>
       <group>130</group>
       <mode>0644</mode>
       <label>image_overlay</label>
     </permissions>
   </target>
   <backingStore>
<path>/home/pcarlton/openstack/stuff/nova/instances/_base/07f224f72581f8e029e08ff96827d581b2321a7b</path>
   <format type='raw'/>
   <permissions>
     <owner>1000</owner>
     <group>130</group>
     <mode>0644</mode>
     <label>image_base</label>
   </permissions>
</backingStore>
</volume>"""

All works ok but I'd like the create the 'disk' file in 
/home/pcarlton/openstack/stuff/nova/instances/4291f96a-759a-4b8a-bfe2-7a8ccb118b75

Thanks

-- 
Paul Carlton
Software Engineer
Cloud Services
Hewlett Packard Enterprise
BUK03:T242
Longdown Avenue
Stoke Gifford
Bristol BS34 8QZ

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