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authorZuul <zuul@review.openstack.org>2018-04-17 18:41:18 +0000
committerGerrit Code Review <review@openstack.org>2018-04-17 18:41:19 +0000
commit147b1f1d5cb7c38c1b5273b0b4c28360eb42bd39 (patch)
treefa3077294c9a13d00b201484d28f52f66810469a /doc
parente1346ac8cab48c8c0b9843665b4857fb28836d22 (diff)
parent1f2715f5e2047ab45a6acf32f01c0cf87131cf17 (diff)
downloadnova-147b1f1d5cb7c38c1b5273b0b4c28360eb42bd39.tar.gz
Merge "doc: BFV instances and IsolatedHostsFilter"
Diffstat (limited to 'doc')
-rw-r--r--doc/source/admin/configuration/schedulers.rst6
1 files changed, 6 insertions, 0 deletions
diff --git a/doc/source/admin/configuration/schedulers.rst b/doc/source/admin/configuration/schedulers.rst
index e3af51b51d..66a98fe3cd 100644
--- a/doc/source/admin/configuration/schedulers.rst
+++ b/doc/source/admin/configuration/schedulers.rst
@@ -497,6 +497,12 @@ isolated hosts, and the isolated hosts can only run isolated images. The flag
``restrict_isolated_hosts_to_isolated_images`` can be used to force isolated
hosts to only run isolated images.
+The logic within the filter depends on the
+``restrict_isolated_hosts_to_isolated_images`` config option, which defaults
+to True. When True, a volume-backed instance will not be put on an isolated
+host. When False, a volume-backed instance can go on any host, isolated or
+not.
+
The admin must specify the isolated set of images and hosts in the
``nova.conf`` file using the ``isolated_hosts`` and ``isolated_images``
configuration options. For example: