Re: duplicate system UUID's with KVM

2013-12-10 Thread Chiradeep Vittal
It should be the same as the VM UUID, which is a pseudo-random UUID. On 12/10/13 10:59 AM, "Bryan Whitehead" wrote: >(Sorry, meant to say Cloudstack 3.0.x boxes are running CentOS6.2 >still...) > > >On Tue, Dec 10, 2013 at 10:59 AM, Bryan Whitehead >wrote: > >> In all cases these are CentOS boxe

Re: duplicate system UUID's with KVM

2013-12-10 Thread Bryan Whitehead
(Sorry, meant to say Cloudstack 3.0.x boxes are running CentOS6.2 still...) On Tue, Dec 10, 2013 at 10:59 AM, Bryan Whitehead wrote: > In all cases these are CentOS boxes. The 3.0.x boxes are still in > CentOS6.x land but the 4.1 Cloudstack boxes are 6.4+updates (as of 6months > ago). > > I don'

Re: duplicate system UUID's with KVM

2013-12-10 Thread Bryan Whitehead
In all cases these are CentOS boxes. The 3.0.x boxes are still in CentOS6.x land but the 4.1 Cloudstack boxes are 6.4+updates (as of 6months ago). I don't know if the UUID internal to the VM is generated by cloudstack, libvirtd, or qemu-kvm. Since the mac addresses have never had a collision I sus

Re: duplicate system UUID's with KVM

2013-12-09 Thread Chiradeep Vittal
What is the OS of the KVM host? I believe vm uuids are type 4 uuids and are hence independent of time. http://docs.oracle.com/javase/6/docs/api/java/util/UUID.html On 12/9/13 12:01 PM, "Bryan Whitehead" wrote: >I have 3 independent Cloudstack installs. One is 3.0.x and the others are >4.1.0. >

duplicate system UUID's with KVM

2013-12-09 Thread Bryan Whitehead
I have 3 independent Cloudstack installs. One is 3.0.x and the others are 4.1.0. Using KVM (i'm only using KVM so I don't have anything else for comparison), between 3.0.x and 4.1.0 I'm getting instances with UUID's that are the same. I get the UUID by running this on the console (CentOS): dmide