On Fri, Jan 06, 2017 at 11:15:35PM +0100, Alec Leamas wrote: > Hi! > > Is there a local convention that discussion about containers is using > top-posting? > > "Curious" Nope. I just posted it without thinking about convention. But if we are following inline replies on this list, next time onwards I will follow that. No issues. Vivek > > --alec > > On 06/01/17 23:12, Vivek Goyal wrote: > > There is more conversation on this issue here. > > > > https://pagure.io/atomic-wg/issue/186 > > > > I wished there was a single thread of conversation on this instead of > > separate conversation for per product variant. > > > > Thanks > > Vivek > > > > On Fri, Jan 06, 2017 at 02:05:49PM -0500, Daniel J Walsh wrote: > > > Upstream docker is moving to overlay2 by default for its storage. We > > > plan on following suit. Their are some performance advantages of > > > overlay2 over devicemapper in memory sharing, which we would like to > > > take advantage of. We now have SELinux support for Overlay file > > > systems, so the security should be just as good. > > > > > > Note: Overlay is not a Posix Compliant file system, so their could be > > > problems with your containers running on overlay, so > > > we want to make sure it is fairly easy to switch back to devicemapper. > > > > > > Devicemapper out of the box, on Fedora Workstation, currently defaults > > > to loopback devices for storage, which has a performance penalty, but > > > this was the only way we were able to get docker to work right away. > > > Switching to overlay2 will cause the storage to be shared with / and > > > will eliminate this performance overhead. This is the way we will ship > > > Fedora Workstation. > > > > > > On Fedora atomic host and Fedora server we have been storing > > > devicemapper storage on a separate partition. We plan on doing the same > > > thing with overlay2. This means separate device will be mounted on > > > /var/lib/docker. This will make it easier for someone to switch back to > > > devicemapper, if overlay2 has problems. > > > > > > Upgraded systems will not be effected. > > > > > > If you want to switch from one storage to another take a look at the > > > `atomic storage` commands. > > > > > > We will write up release notes to cover this change. Along with a blog > > > explaining the commands to switch back and forth. > > _______________________________________________ > > devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx > > To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx > > > _______________________________________________ > devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx > To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx _______________________________________________ devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx
