You want to enable the "show_image_direct_url = True" option. full configuration information can be found http://docs.ceph.com/docs/master/rbd/rbd-openstack/ On Thu, Mar 31, 2016 at 10:49 PM, Mario Codeniera <mario.codeniera@xxxxxxxxx> wrote: > Hi, > > Is there anyone done thin provisioning on OpenStack instances (virtual > machine)? Based on the current configurations, it works well with my cloud > using ceph 0.94.5 with SSD journal (from 18mins to around 7 mins for > creating an 40GB instance and not good SSD iops). But what I wanted is the > storage space as it copied the whole image from Glance (40GB) to each newly > created virtual machine, is there any chances that it will copy only the top > changes? somewhat like a vmware-like snapshot, but still the base image is > still there. > > Current setup: > xxx --> (uploaded glance image, say Centos 7 with 40GB) > > if create an instance, > xxx + yyy where yyy is the new changes > (40GB + MB/GB changes) > > > Plan setup: > (it will save storage as it will not copy xxx) > yyy is only stored on the ceph > > > As per testing on current cloud, the OpenStack snapshot still copy the whole > image + new changes. Correct me if wrong as still using the Kilo release > (2015.1.1) or maybe it was a misconfiguration? And the more I added the > users, the more OSDs will be added too. > > Any insights are highly appreciated. > > > Thanks, > Mario > > > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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