Instead of add io=native for all disks, add only if disk is in a netfs pool. Changes: v2: Instead of passing the complete pool information, pass just pool type. v3: Use .get to retrieve pool_type (this will avoid breaking when pool_type is not available) Signed-off-by: Ramon Medeiros <ramonn(a)linux.vnet.ibm.com&gt; --- vmtemplate.py | 2 +- xmlutils/disk.py | 4 +++- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/vmtemplate.py b/vmtemplate.py index b6e9431..5c6a8d8 100644 --- a/vmtemplate.py +++ b/vmtemplate.py @@ -213,7 +213,7 @@ class VMTemplate(object): img = "%s-%s.img" % (vm_uuid, params['index']) storage_path = self._get_storage_path(disk['pool']['name']) params['path'] = os.path.join(storage_path, img) - + params['pool_type'] = disk['pool']['type'] disks_xml += get_disk_xml(params)[1] return unicode(disks_xml, 'utf-8') diff --git a/xmlutils/disk.py b/xmlutils/disk.py index 2ed2ef4..9e6d8fb 100644 --- a/xmlutils/disk.py +++ b/xmlutils/disk.py @@ -53,7 +53,9 @@ def get_disk_xml(params): driver = E.driver(name='qemu', type=params['format']) if params['type'] != 'cdrom': driver.set('cache', 'none') - driver.set("io", "native") + + if params.get('pool_type') == "netfs": + driver.set("io", "native") disk.append(driver)