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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>In terms of XenServer, I don’t think the UUID typically presented via the bios.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>You can get it either by reading /sys/hypervisor/uuid or by using xenstore-read (e.g. xenstore-read domid followed by xenstore-read /local/domain/<id>/vm)<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thanks,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Bob<o:p></o:p></span></p><p class=MsoNormal><a name="_MailEndCompose"><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></a></p><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> openstack-bounces+bob.ball=citrix.com@lists.launchpad.net [mailto:openstack-bounces+bob.ball=citrix.com@lists.launchpad.net] <b>On Behalf Of </b>Zhiqiang Zhao<br><b>Sent:</b> 22 March 2013 07:30<br><b>To:</b> openstack@lists.launchpad.net<br><b>Subject:</b> [Openstack] A question on Unique ID for instance in Compute v2.0 api<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal><span style='font-size:10.5pt;font-family:"Arial","sans-serif";color:black'>Hi Experts,<o:p></o:p></span></p><div><p class=MsoNormal><span style='font-size:10.5pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.5pt;font-family:"Arial","sans-serif";color:black'>Is the id the same as uuid for vms? I've checked it when I use qume to lauch vms. <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.5pt;font-family:"Arial","sans-serif";color:black'>Dmidecode in vm console:<o:p></o:p></span></p></div><div><div><p class=MsoNormal><span style='font-size:10.5pt;font-family:"Arial","sans-serif";color:black'>[root@10-0-0-6 ~]# ./dmidecode -t system<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.5pt;font-family:"Arial","sans-serif";color:black'># dmidecode 2.10<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.5pt;font-family:"Arial","sans-serif";color:black'>SMBIOS 2.4 present.<o:p></o:p></span></p></div></div><div><p class=MsoNormal><span style='font-size:10.5pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p></div><div><div><p class=MsoNormal><span style='font-size:10.5pt;font-family:"Arial","sans-serif";color:black'>System Information<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.5pt;font-family:"Arial","sans-serif";color:black'> Manufacturer: OpenStack Foundation<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.5pt;font-family:"Arial","sans-serif";color:black'> Product Name: OpenStack Nova<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.5pt;font-family:"Arial","sans-serif";color:black'> Version: 2013.1<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.5pt;font-family:"Arial","sans-serif";color:black'> Serial Number: 42139d49-16d1-0942-ae83-3c529bb30435<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.5pt;font-family:"Arial","sans-serif";color:black'> UUID:</span><span style='font-size:10.5pt;font-family:"Arial","sans-serif";color:red'> F1998E0A-B45A-4149-A06A-F8975FEFDB68</span><span style='font-size:10.5pt;font-family:"Arial","sans-serif";color:black'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.5pt;font-family:"Arial","sans-serif";color:black'> Wake-up Type: Power Switch<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.5pt;font-family:"Arial","sans-serif";color:black'> SKU Number: Not Specified<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.5pt;font-family:"Arial","sans-serif";color:black'> Family: Not Specified<o:p></o:p></span></p></div></div><div><p class=MsoNormal><span style='font-size:10.5pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.5pt;font-family:"Arial","sans-serif";color:black'>openstack json response:<o:p></o:p></span></p></div><div><div><p class=MsoNormal><span style='font-size:10.5pt;font-family:"Arial","sans-serif";color:black'>{"server": {"status": "ACTIVE", "updated": "2013-03-11T01:59:03Z", "hostId": "ee8502390822a52801706dcdbe42369c5a12f3f2debbff60726a4ce7", "OS-EXT-SRV-ATTR:host": "crdc-210-5-2-control.cisco.com", "addresses": {"private": [{"version": 4, "addr": "10.0.0.6", "OS-EXT-IPS:type": "fixed"}]}, "links": [{"href": "<a href="http://10.74.125.74:8774/v2/ec38725672344e0ba756bc007a420b66/servers/f1998e0a-b45a-4149-a06a-f8975fefdb68">http://10.74.125.74:8774/v2/ec38725672344e0ba756bc007a420b66/servers/f1998e0a-b45a-4149-a06a-f8975fefdb68</a>", "rel": "self"}, {"href": "<a href="http://10.74.125.74:8774/ec38725672344e0ba756bc007a420b66/servers/f1998e0a-b45a-4149-a06a-f8975fefdb68">http://10.74.125.74:8774/ec38725672344e0ba756bc007a420b66/servers/f1998e0a-b45a-4149-a06a-f8975fefdb68</a>", "rel": "bookmark"}], "key_name": null, "image": {"id": "c946b09d-ad2f-4c06-873b-bcc08000824d", "links": [{"href": "<a href="http://10.74.125.74:8774/ec38725672344e0ba756bc007a420b66/images/c946b09d-ad2f-4c06-873b-bcc08000824d">http://10.74.125.74:8774/ec38725672344e0ba756bc007a420b66/images/c946b09d-ad2f-4c06-873b-bcc08000824d</a>", "rel": "bookmark"}]}, "OS-EXT-STS:task_state": null, "OS-EXT-STS:vm_state": "active", "OS-EXT-SRV-ATTR:instance_name": "instance-00000010", "OS-EXT-SRV-ATTR:hypervisor_hostname": "crdc-210-5-2-control.cisco.com", "flavor": {"id": "bcbdb244-e98a-4f11-954c-fb0fcf2cae6e", "links": [{"href": "<a href="http://10.74.125.74:8774/ec38725672344e0ba756bc007a420b66/flavors/bcbdb244-e98a-4f11-954c-fb0fcf2cae6e">http://10.74.125.74:8774/ec38725672344e0ba756bc007a420b66/flavors/bcbdb244-e98a-4f11-954c-fb0fcf2cae6e</a>", "rel": "bookmark"}]}, "id": </span><span style='font-size:10.5pt;font-family:"Arial","sans-serif";color:red'>"f1998e0a-b45a-4149-a06a-f8975fefdb68"</span><span style='font-size:10.5pt;font-family:"Arial","sans-serif";color:black'>, "security_groups": [{"name": "default"}], "OS-EXT-AZ:availability_zone": "nova", "user_id": "cd62dcd084ae4078b9e5cedaac6d8dcd", "name": "test2", "created": "2013-03-11T01:58:54Z", "tenant_id": "ec38725672344e0ba756bc007a420b66", "OS-DCF:diskConfig": "MANUAL", "accessIPv4": "", "accessIPv6": "", "progress": 0, "OS-EXT-STS:power_state": 1, "config_drive": "", "metadata": {}}}<o:p></o:p></span></p></div></div><div><p class=MsoNormal><span style='font-size:10.5pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.5pt;font-family:"Arial","sans-serif";color:black'>You can see UUID is consistent with ID. <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.5pt;font-family:"Arial","sans-serif";color:black'>My question is: If I use ESXi or XEN as hypervior, is it always correct by this way? Currently I'm just using QUME to lauch vms.<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.5pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.5pt;font-family:"Arial","sans-serif";color:black'>Best Regards!<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.5pt;font-family:"Arial","sans-serif";color:black'>Henry<o:p></o:p></span></p></div></div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p></div></body></html>