Hi, In discussion of this spec proposal: https://review.openstack.org/#/c/127827/ it was suggested by Joe Gordon to start a discussion on the mailing list.
So I'll share my thoughts and a long term plan on adding FreeBSD host support for OpenStack. An ultimate goal is to allow using libvirt/bhyve as a compute driver. However, I think it would be reasonable to start with libvirt/qemu support first as it will allow to prepare the ground. High level overview of what needs to be done: - Nova * linux_net needs to be re-factored to allow to plug in FreeBSD support (that's what the spec linked above is about) * nova.virt.disk.mount needs to be extended to support FreeBSD's mdconfig(8) in a similar way to Linux's losetup - Glance and Keystone These components are fairly free of system specifics. Most likely they will require some small fixes like e.g. I made for Glance https://review.openstack.org/#/c/94100/ - Cinder I didn't look close at Cinder from a porting perspective, tbh. Obviously, it'll need some backend driver that would work on FreeBSD, e.g. ZFS. I've seen some patches floating around for ZFS though. Also, I think it'll need an implementation of iSCSI stack on FreeBSD, because it has its own stack, not stgt. On the other hand, Cinder is not required for a minimal installation and that could be done after adding support of the other components. Also, it's worth to mention that a discussion on this topic already happened on this maillist: http://lists.openstack.org/pipermail/openstack-dev/2014-March/031431.html Some of the limitations were resolved since then, specifically, libvirt/bhyve has no limitation on count of disk and ethernet devices anymore. Roman Bogorodskiy
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