[openstack-dev] [Kolla] [docker] Storage-driver and loopback usage?

Jeffrey Zhang zhang.lei.fly at gmail.com
Mon Jul 4 03:58:40 UTC 2016


Hi Gerard,

Here is what the docker official recommend[0]. In the prod env, the they
recommend
using the direct-lvm driver.

Kolla has no recommendation now. In the dev process, i know someone use
overlayfs,
some use btrfs. These two are both faster than others.


[0] https://docs.docker.com/engine/userguide/storagedriver/selectadriver/

On Mon, Jul 4, 2016 at 11:00 AM, Gerard Braad <me at gbraad.nl> wrote:

> Hi guys,
>
>
> This weekend I have been looking into some issues I encountered with
> `ostree` inside a Docker container, and this seemed to have been
> caused by the use of loopback storage with device mapper. After this
> experience I was wondering what Kolla did...
>
> Usually for development purpose, or on a laptop, it is easy to just
> work out-of-the-box. But I would not consider using devicemapper after
> this experience as a pleasant experience. I moved to all development
> environment using OverlayFS, and will evaluate this for the time
> being...
>
> What do you guys think or use? And what about the quickstart? I was
> unable to find a statement about this. I did find a change of the
> storage-driver in `kolla/tools/setup_RedHat.sh` to btrfs... and what
> is used in CI?
>
> regards,
>
>
> Gerard
>
> --
>
>    Gerard Braad | http://gbraad.nl
>    [ Doing Open Source Matters ]
>
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-- 
Regards,
Jeffrey Zhang
Blog: http://xcodest.me
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