Thank you for the response James. I now have a couple of further questions regarding boot volume support on nova-lxd.
Is this feature on the radar? On nova-kvm documentation states you need shared storage for live migration; is this the same case with nova-lxd, or can you live migrate between compute hosts when using a dir storage pool for root? Putting the host's LXD storage under a folder that a ceph pool is mounted on, while an obvious sleight of hand, what would the repercussions be? I don't know if anyone has answers to these, but any are welcome. I'm assuming the feature I'm looking for relys on work from the nova project rather than the LXD project; I will try to track down a nova features timeline or submit a request myself. James, any documentation you can put together would be great and I look forward to seeing it. Thanks. ---------------------------------------- From: James Page <james.p...@ubuntu.com> Sent: 3/13/18 5:33 AM To: torin.wolt...@granddial.com Cc: openstack@lists.openstack.org Subject: Re: [Openstack] Nova + LXD + Ceph? Hi Torin On Mon, 12 Mar 2018 at 21:52, Torin Woltjer <torin.wolt...@granddial.com> wrote: Hello, I am looking to deploy an openstack cluster using LXD for compute and Ceph for storage, and I was running into some doubt as to whether this was possible; and doubt that nova-lxd was mature enough for production. If anyone is running nova-lxd in production, or knows anything about it, please let me know. I've had a hard time finding good informational resources on the topic, specifically relating to LXD + Ceph; which is supposedly possible, but I haven't heard if it's possible in Openstack. If you otherwise know of a resource that could be helpful to me, I would appreciate hearing it. Short answer is that nova-lxd does support use with Ceph, but only for additional block devices (I.e no boot from volume or ephemeral device support right now). You have highlighted a documentation gap - there are a few non obvious things todo like ensuring that cinder creates RBD devices with a minimal feature set to support use the the kRBD driver used for nova-lxd. Will look to put a howto for ceph in place shortly! Cheers James
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