From c8b66ff33e14c8339c8146d3116b9ff672f912ec Mon Sep 17 00:00:00 2001
From: Dan Smith <dansmith@redhat.com>
Date: Mon, 19 Jul 2021 11:14:18 -0700
Subject: [PATCH] Add configuration notes about glance limits

Change-Id: I21a43584116f4b719cf99d3942044cbf13fefb9a
---
 doc/source/configuration.rst | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/doc/source/configuration.rst b/doc/source/configuration.rst
index 2d0c894530..67456142de 100644
--- a/doc/source/configuration.rst
+++ b/doc/source/configuration.rst
@@ -689,6 +689,24 @@ use the v3 API. It is possible to setup keystone without v2 API, by doing:
 
     ENABLE_IDENTITY_V2=False
 
+
+Glance
+++++++
+
+The default image size quota of 1GiB may be too small if larger images
+are to be used. Change the default at setup time with:
+
+::
+
+    GLANCE_LIMIT_IMAGE_SIZE_TOTAL=5000
+
+or at runtime via:
+
+::
+
+    openstack --os-cloud devstack-system-admin registered limit update \
+      --service glance --default-limit 5000 --region RegionOne image_size_total
+
 .. _arch-configuration:
 
 Architectures