[openstack-dev] [nova][cinder] Schedule Instances according to Local disk based Volume?

Zhenyu Zheng zhengzhenyulixi at gmail.com
Fri Sep 23 07:51:46 UTC 2016


Hi Novaers and Cinders:

Quite often application requirements would demand using locally attached
disks (or direct attached disks) for OpenStack compute instances. One such
example is running virtual hadoop clusters via OpenStack.

We can now achieve this by using BlockDeviceDriver as Cinder driver and
using AZ in Nova and Cinder, illustrated in[1], which is not very feasible
in large scale production deployment.

Now that Nova is working on resource provider trying to build an
generic-resource-pool, is it possible to perform "volume-based-scheduling"
to build instances according to volume? As this could be much easier to
build instances like mentioned above.

Or do we have any other ways of doing this?

References:
[1]
http://cloudgeekz.com/71/how-to-setup-openstack-to-use-local-disks-for-instances.html

Thanks,

Kevin Zheng
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