On Fri, Jul 5, 2013 at 10:31 AM, Clint Byrum <cl...@fewbar.com> wrote:
> Excerpts from Heiko Krämer's message of 2013-07-05 09:24:03 -0700: > > Heyho guys, > > > > I'm searching for a solution to share storage over more then one > instance. > > > > Normally you attach a block device with cinder directly via iscsi or > > glusterfs or whatever to one instance and that's it. Multi attachments > > are not present. > > > > > > Use case: > > > > I've an application on 4 application instances and a database instance. > > Now you have static file like images, movies, css ... but this files > > should be available on each application instance. > > This use case is best served by object storage like swift and CEPH's > radosgw. > > > Now you need to fire up an "storage" instance and attach a volume. After > > that you can with nfs or what ever share your stuff to the application > > instances but i think this is a very big ressource overhead for small > > projects. You need a instance only to share your data on each project > > and this n times :( > > > > If you only have one small app with 5 instances, running your own > OpenStack is quite overkill. However, I suspect you have OpenStack so > you can have many small apps with a few instances, and thus you'll find > many of them can benefit from a good solid object store. > > _______________________________________________ > Mailing list: https://launchpad.net/~openstack > Post to : openstack@lists.launchpad.net > Unsubscribe : https://launchpad.net/~openstack > More help : https://help.launchpad.net/ListHelp > Cinder does not offer multi-attach currently, we're hoping to change that for the Havana release: https://blueprints.launchpad.net/cinder/+spec/shared-volume
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