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| author |   Giulio Fidente <gfidente@redhat.com> | 2016-01-19 12:15:56 +0100 |
|---|---|---|
| committer | Giulio Fidente <gfidente@redhat.com> | 2016-05-03 23:47:13 +0200 |
| commit | 69ff93f00dcd54814a87ea567870408c86bcb582 (patch) | |
| tree | b365eda43181a694fd8332408668543d729c000b /puppet/manifests | |
| parent | 10dae1c697aab4b896154000687c3f40adba1e0e (diff) | |
Optimize Nova disk_cachemodes and hw_disk_discard options for RBD
When using the Nova RBD driver for the ephemeral storage it is
suggested by the Ceph RBD OpenStack guide [1] to optimize certain
settings; this change will set disk_cachemodes and hw_disk_discard
accordingly to the guide.
1. http://docs.ceph.com/docs/master/rbd/rbd-openstack/
Change-Id: I8d2ee89ca4ff5458d1888cc037e2e91d19025ad4
Diffstat (limited to 'puppet/manifests')
| -rw-r--r-- | puppet/manifests/overcloud_compute.pp | 13 |
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 { |