When running complex workloads with NFS servers, some machines hang when power off is pressed. With io=native, servers can poweroff correctly. Signed-off-by: Ramon Medeiros <ramonn(a)linux.vnet.ibm.com&gt; ---  src/wok/plugins/kimchi/xmlutils/disk.py | 1 +  1 file changed, 1 insertion(+) diff --git a/src/wok/plugins/kimchi/xmlutils/disk.py b/src/wok/plugins/kimchi/xmlutils/disk.py index 84be91d..2ed2ef4 100644 --- a/src/wok/plugins/kimchi/xmlutils/disk.py +++ b/src/wok/plugins/kimchi/xmlutils/disk.py @@ -53,6 +53,7 @@ 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")      disk.append(driver)