[cinder][nova] Local storage in compute node

Eric K. Miller emiller at genesishosting.com
Thu Aug 6 04:28:28 UTC 2020

> Do you need full host block devices to be provided to the instance?

No - a thin-provisioned LV in LVM would be best.

> The LVM imagebackend will just provision LVs on top of the provided VG so
> there's no direct mapping to a full host block device with this approach.

That's perfect!

> Yeah that's a common pitfall when using LVM based ephemeral disks that
> contain additional LVM PVs/VGs/LVs etc. You need to ensure that the host is
> configured to not scan these LVs in order for their PVs/VGs/LVs etc to remain
> hidden from the host:

Thanks for the link!

I will let everyone know how testing goes.


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