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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.
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<div>Hope it helps!</div>
<div>-S<br>
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<div id="divRpF866829" style="direction: ltr; "><font face="Tahoma" size="2" color="#000000"><b>From:</b> openstack-bounces+sandy.walsh=rackspace.com@lists.launchpad.net [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> openstack@lists.launchpad.net<br>
<b>Subject:</b> [Openstack] "nova zone" and "availability_zone"<br>
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<div>Hi all,
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<div>What is the difference between "nova zone(s)" and "availability_zone"?</div>
<div>In a new deployment, the *services* table in the nova db contains an "availability_zone"</div>
<div>column (which is 'nova', but default). </div>
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<div>If that is not the same as "nova zones" (which are logical deployments, as far as I understood), where is information</div>
<div>about zones stored?</div>
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<div>The only documentation about "zones" in openstack that I could find is here:</div>
<div><a href="http://nova.openstack.org/devref/zone.html" target="_blank">http://nova.openstack.org/devref/zone.html</a></div>
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<div>is there anything on availability zones?</div>
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<div>Cheers, </div>
<div>/Nicolae.</div>
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