[cinder][nova] Local storage in compute node

Eric K. Miller emiller at genesishosting.com
Thu Aug 6 04:30:01 UTC 2020

> That said there's no real alternative available at the moment.
> well one alternitive to nova providing local lvm storage is to use
> the cinder lvm driver but install it on all compute nodes then
> use the cidner InstanceLocalityFilter to ensure the volume is alocated form
> the host
> the vm is on.
> https://docs.openstack.org/cinder/latest/configuration/block-
> storage/scheduler-filters.html#instancelocalityfilter
> on drawback to this is that if the if the vm is moved i think you would need to
> also migrate the cinder volume
> seperatly afterwards.

I wasn't aware of the InstanceLocalityFilter, so thank you for mentioning it!  


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