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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>It would be useful if there was a glossary of terms related to Openstack. It is easy to get confused as many words are overloaded or slightly different between different parts of Openstack.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>There is also the page on identity at <a href="http://docs.openstack.org/diablo/openstack-identity/admin/content/Identity-Service-Concepts-e1362.html"><span style='color:windowtext'>http://docs.openstack.org/diablo/openstack-identity/admin/content/Identity-Service-Concepts-e1362.html</span></a> which defines some concepts.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>From <a href="http://wiki.openstack.org/Glossary"><span style='color:windowtext'>http://wiki.openstack.org/Glossary</span></a>, there is a pointer to <a href="http://cloudglossary.com/"><span style='color:windowtext'>http://cloudglossary.com/</span></a> but the openstack terms are not in there.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>There is also <a href="http://docs.openstack.org/incubation/openstack-network/developer/quantum-api-1.0/content/Glossary.html"><span style='color:windowtext'>http://docs.openstack.org/incubation/openstack-network/developer/quantum-api-1.0/content/Glossary.html</span></a> for networking.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Tim<o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt'><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><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+tim.bell=cern.ch@lists.launchpad.net [mailto:openstack-bounces+tim.bell=cern.ch@lists.launchpad.net] <b>On Behalf Of </b>Sandy Walsh<br><b>Sent:</b> 20 March 2012 12:07<br><b>To:</b> Nicolae Paladi; openstack@lists.launchpad.net<br><b>Subject:</b> Re: [Openstack] "nova zone" and "availability_zone"<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'>Availability Zone is an EC2 concept. Zones were a sharding scheme for Nova. Zones are being renamed to Cells to avoid further confusion. Availability Zones will remain the same. <o:p></o:p></span></p><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New";color:black'>Hope it helps!<o:p></o:p></span></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:10.0pt;font-family:"Courier New";color:black'>-S<o:p></o:p></span></p><div><div class=MsoNormal align=center style='text-align:center'><span style='color:black'><hr size=2 width="100%" align=center></span></div><div id=divRpF866829><p class=MsoNormal style='margin-bottom:12.0pt'><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:black'> <a href="mailto:openstack-bounces+sandy.walsh=rackspace.com@lists.launchpad.net">openstack-bounces+sandy.walsh=rackspace.com@lists.launchpad.net</a> [openstack-bounces+sandy.walsh=rackspace.com@lists.launchpad.net] on behalf of Nicolae Paladi [n.paladi@gmail.com]<br><b>Sent:</b> Tuesday, March 20, 2012 6:55 AM<br><b>To:</b> <a href="mailto:openstack@lists.launchpad.net">openstack@lists.launchpad.net</a><br><b>Subject:</b> [Openstack] "nova zone" and "availability_zone"</span><span style='color:black'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='color:black'>Hi all, <o:p></o:p></span></p><div><p class=MsoNormal><span style='color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='color:black'>What is the difference between "nova zone(s)" and "availability_zone"?<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='color:black'>In a new deployment, the *services* table in the nova db contains an "availability_zone"<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='color:black'>column (which is 'nova', but default). <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='color:black'>If that is not the same as "nova zones" (which are logical deployments, as far as I understood), where is information<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='color:black'>about zones stored?<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='color:black'>The only documentation about "zones" in openstack that I could find is here:<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='color:black'><a href="http://nova.openstack.org/devref/zone.html" target="_blank">http://nova.openstack.org/devref/zone.html</a><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='color:black'>is there anything on availability zones?<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='color:black'>Cheers, <o:p></o:p></span></p></div><div><p class=MsoNormal><span style='color:black'>/Nicolae.<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='color:black'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='color:black'><o:p> </o:p></span></p></div></div></div></div></div></div></div></body></html>