Hello Jared,
you could use croit to manage the osd and drop the work entirely. You would
just need to restart host by host over pxe network to migrate.
Besides that, you can freshly install ubuntu within a running environment
using debootstrap and then just restart the host. However that is quite
>
> I am wondering if its not necessary to have to drain/fill OSD nodes at
> all and if this can be done with just a fresh install and not touch
> the OSD's
Abosolutely. I’ve done this both with Trusty -> Bionic and Precise -> RHEL7.
> however I don't know how to perform a fresh installation
