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-rw-r--r--puppet/manifests/overcloud_compute.pp13
1 files changed, 11 insertions, 2 deletions
diff --git a/puppet/manifests/overcloud_compute.pp b/puppet/manifests/overcloud_compute.pp
index cc58cb14..43e87789 100644
--- a/puppet/manifests/overcloud_compute.pp
+++ b/puppet/manifests/overcloud_compute.pp
@@ -90,8 +90,17 @@ if str2bool(hiera('nova::use_ipv6', false)) {
} else {
$vncserver_listen = '0.0.0.0'
}
-class { '::nova::compute::libvirt' :
- vncserver_listen => $vncserver_listen,
+
+if $rbd_ephemeral_storage {
+ class { '::nova::compute::libvirt':
+ libvirt_disk_cachemodes => ['network=writeback'],
+ libvirt_hw_disk_discard => 'unmap',
+ vncserver_listen => $vncserver_listen,
+ }
+} else {
+ class { '::nova::compute::libvirt' :
+ vncserver_listen => $vncserver_listen,
+ }
}
nova_config {