Try setting: ram_allocation_ratio=10 in your nova.conf (it defaults to 1.5) Vish On Jun 21, 2012, at 11:34 AM, Sam Su wrote: > Hi, > > I have a mini openstack environment with one compute node and one nova control node. There is 4G memory in the compute node, and I have allocated 2 VMs with 2G memory for each VM. When I try to create another VM , I get the error as below: > http://pastebin.com/QZMQvXtB > > I am wondering whether Openstack has support memory overcommit? How to do this? > > It will be much appreciated If someone can give me some hints about this in convenience. > > Thanks, > Sam > _______________________________________________ > Mailing list: https://launchpad.net/~openstack > Post to : openstack at lists.launchpad.net > Unsubscribe : https://launchpad.net/~openstack > More help : https://help.launchpad.net/ListHelp -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack/attachments/20120621/a3a93c45/attachment.html>