[Openstack] [Design] Why/how object storage(Swift) better than scale-out NAS?

Hi, I have googled and found some answers but they are not to the point I think. Why foundation choice object storage other than scale-out NAS? I see some points about benefit of object storage(swift) *Storing billions of files. *Storing Petabytes (millions of Gigabytes) of

Re: [Openstack] [Quantum] second tenant's several VMs' floating ip can't be accessed.

Aaron, It really works after I add the icmp rule for my second tenant. Thanks for your help! Leon From: Aaron Rosen [mailto:aro...@nicira.com] Sent: 2013年6月4日 10:37 To: Li, Leon Cc: openstack-operat...@lists.openstack.org; openstack@lists.launchpad.net (openstack@lists.launchpad.net) Subject

[Openstack] [Quantum] second tenant VM's floating ip can't be accessed.

Hi all, I set up an openstack recently. My first tenant's VMs' floating IP work fine. All of them is pingable from Internet. However on second tenant, via GUI or CLI I can successfully assign floating IPs to VMs, but they are not pingable. Meanwhile, I can ping Internet from VM's private

Re: [Openstack] [Quantum] second tenant's several VMs' floating ip can't be accessed.

related to security groups. I'd try running: quantum security-group-rule-create --protocol icmp --direction ingress default and see if that allows ping from the internet to be received. Aaron On Mon, Jun 3, 2013 at 2:43 AM, Li, Leon leon@emc.commailto:leon@emc.com wrote: Hi all, I set