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Actually our documentation recommends AUFS on Ubuntu and BTRFS on CentOS.  See:

<http://docs.openstack.org/developer/kolla/operating-kolla.html>http://docs.oenstack.org/developer/kolla/operating-kolla.html

Search for BTRFS.

From: Jeffrey Zhang <zhang.lei.fly at gmail.com<mailto:zhang.lei.fly at gmail.com>>
Reply-To: "OpenStack Development Mailing List (not for usage questions)" <openstack-dev at lists.openstack.org<mailto:openstack-dev at lists.openstack.org>>
Date: Sunday, July 3, 2016 at 8:58 PM
To: "OpenStack Development Mailing List (not for usage questions)" <openstack-dev at lists.openstack.org<mailto:openstack-dev at lists.openstack.org>>
Subject: Re: [openstack-dev] [Kolla] [docker] Storage-driver and loopback usage?

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<mailto: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<http://xcodest.me/>
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