Production Ready OpenStack - Recipes for Successful Environments

Configuring the Glance image size limit and storage quota

The glance-api and glance-registry services are commonly configured to use /var filesystem to store locally Glance images and to cache images locally. It is possible to limit the maximum image size that can be uploaded to glance to avoid filling the /var filesystem or abusing the service.

Note

The maximum possible should be set to a value under 8 exabyte (9223372036854775808).

How to do it...

To limit the size of glance images, follow these steps:

1. Set the maximum image size, in bytes, that can be uploaded through the glance-api service to 1 TB:

   [root@controller ~]# openstack-config --set /etc/glance/glance-api.conf default image_size_cap 1099511627776
   

2. Restart the glance-api service:

   [root@controller ...