1. kimizhang.com – New Home

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    December 16, 2015 by kimizhang

    My personal blog is now moved to new home: kimizhang.com Finally I applied personal domain name, and decided to build …
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  2. NFS backend for Openstack Glance/Cinder/Instance-store

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    February 12, 2015 by kimizhang

    In this post, let’s go through how to configure NFS as unified storage backend for Openstack Glance, Cinder and shared …
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  3. Building redundant and distributed L3 network in Juno

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    November 25, 2014 by kimizhang

    Before Juno, when we deploy Openstack in production, there always is a painful point about L3 Agent: ¬† High availability …
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  4. How ML2/VXLAN works

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    April 1, 2014 by kimizhang

    My setup: 1 controller node + 2 compute nodes RDO Havana 2013.2.2, CentOS 6.5, OpenVSwitch 1.11.0 VXLAN local IPs: controller: …
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  5. Create PXE-Boot image for Openstack

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    August 26, 2013 by kimizhang

    Openstack doesn’t support launching a diskless PXE-boot VM, we have to make an image with PXE-boot capability to achieve this. …
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  6. Openstack Zoning – Region/Availability Zone/Host Aggregate

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    August 26, 2013 by kimizhang

    Openstack cloud can be zoned from top to down levels, into Regions, Availability Zones and Host Aggregates -Region Each Region …
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  7. Openstack VM live migration

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    August 26, 2013 by kimizhang

    Block live migration Shared storage based live¬†migration 1.Setup GlusterFS cluster for nova-compute nodes 2.Configure libvirt and nova.conf on every nova-compute …
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  8. Openstack Heat try-out

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    August 8, 2013 by kimizhang

    What’s Heat ? How to install Heat and make it ready to use? 1.Installation 2.Prepare JEOS(Just enough OS) Use cases …
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