On Tue, Oct 04, 2016 at 02:22:45AM -0000, Richard Laager wrote: > > The fact that LXD doesn't put /var/lib/lxd itself in the ZFS pool is > > intentional. > > I wasn't suggesting that in the general case. Creating a dataset at > /var/lib/lxd has more to do with the root-on-ZFS setup, and is > independent of where to place the lxd storage pool(s). I can see how > that's distracting. Let's ignore that. > > The mountpoint problem exists just the same in this scenario: > truncate -s 10G /var/lib/pool.img > zpool create pool /var/lib/pool.img > apt install lxd > lxd init > # Specify "no" to creating a pool, and "pool" as the existing dataset. > # Accept the rest of the defaults. > lxd launch ubuntu: > > You'll end up with /pool/containers and /pool/images mounted.
Sure, but had you created the exact same thing through "lxd init" you'd have been fine. If the user manually creates a pool, it's their responsability to pass -m none. > > > If you opt into using a subset of an existing pool, we assume you know > > what you're doing and that you will properly configure it prior to > > giving it to LXD (LXD won't create it for you so you kinda have to). > > It's true that the admin has to create the pool first. But they do not > have to create the datasets for lxd to work. lxd will implicitly create > the containers and images datasets through the use of `zfs create -p > POOL/containers/foo". > > I'm suggesting this change (untested): > https://github.com/rlaager/lxd/commit/7c9f79c9451fad646c533fc6bb5ea3e67535eab8 I'd probably just have LXD force set mountpoint=none for whatever dataset its root is at and let the rest inherit. That wouldn't be quite enough, LXD creates a number of other paths when archiving images, mounting snapshots, doing live migration, ... -- Stéphane Graber Ubuntu developer http://www.ubuntu.com -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1629824 Title: lxd should explicitly create "containers" and "images" datasets on ZFS To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lxd/+bug/1629824/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs