On 12/01/2015 05:40 AM, Antonio Murdaca wrote: > > ----- Messaggio originale ----- > | Da: "Antonio Murdaca" <amurd...@redhat.com> > | A: "Daniel J Walsh" <dwa...@redhat.com> > | Cc: atomic-devel@projectatomic.io > | Inviato: Martedì, 1 dicembre 2015 10:20:38 > | Oggetto: Re: [atomic-devel] Docker-1.10 to docker-1.9 rollback. > | > | > | > | ----- Messaggio originale ----- > | | Da: "Daniel J Walsh" <dwa...@redhat.com> > | | A: atomic-devel@projectatomic.io > | | Inviato: Lunedì, 30 novembre 2015 21:15:49 > | | Oggetto: [atomic-devel] Docker-1.10 to docker-1.9 rollback. > | | > | | When you upgrade to docker-1.10, your container images json data gets > | | rewritten with UUID based on the content in the images. This will take > | | a while, depending on the number and size of images. One potential > | | problem is rollback. > | > | One thing which might help here is that the rewrite of the images json is > | not destructive so old images json will be still around after the migration. > | Haven't heard anything about Docker officially supporting this kind of > | compatibility with old code but it files still get around it could be > | something which we could implement on our side based on the docker version > | running maybe (just throwing ideas). > > I found what could cause this break. I'm still checking but the rollback to > 1.9 it's working for me iff I compile docker 1.10 w/o the exprimental flag. > This means specifically userns isn't enabled and the directory tree under > /var/lib/docker doesn't have "0.0" (which is for userns) > Instead, if you upgrade and rollback with 1.10 w/o userns everything is > working > fine because the graph/ dir is directly inside /var/lib/docker (and not > /var/lib/docker/0.0). I'll see if I can write a quick patch for this because > the migration to userns is breaking the rollback (at least for me) > Dan, can you check if you're running 1.10 with userns and what's inside > /var/lib/docker for you? > > | > | | > | | When I updated a docker to docker-1.10 (In devel, Rawhide) my images get > | | updated. Now if I rollback to docker-1.9 I notice my containers are > | | disappearing. > | | > | | docker ps -a > | | CONTAINER ID IMAGE COMMAND > | | CREATED STATUS PORTS NAME > | | dc8ba4c69222 fedora "bash" 13 minutes > | | ago Exited (0) 13 minutes ago fervent_rosalind > | | 1e1a4d59c375 fedora "bash" 3 hours > | | ago Exited (0) 3 hours ago amazing_yonath > | | > | | Rollback to docker-1.9 > | | > | | [root@dhcp-10-19-62-196 docker]# docker ps -a > | | CONTAINER ID IMAGE COMMAND > | | CREATED STATUS PORTS NAMES > | | > | | Nothing. > | | > | | I create a container. (Using docker-1.9 > | | > | | I update to docker-1.10 again > | | > | | docker ps -a > | | CONTAINER ID IMAGE COMMAND > | | CREATED STATUS PORTS NAMES > | | 6073b1c7c08f fedora "bash" 11 minutes > | | ago Exited (0) 11 minutes ago boring_shockley > | | dc8ba4c69222 fedora "bash" 13 minutes > | | ago Exited (0) 13 minutes ago fervent_rosalind > | | 1e1a4d59c375 fedora "bash" 3 hours > | | ago Exited (0) 3 hours ago amazing_yonath > | | > | | Rollback to docker-1.9 > | | > | | [root@dhcp-10-19-62-196 docker]# docker ps -a > | | CONTAINER ID IMAGE COMMAND > | | CREATED STATUS PORTS NAMES > | | 6073b1c7c08f fedora "bash" 13 minutes > | | ago Exited (0) 13 minutes ago boring_shockley > | | > | | Might be a bug, but this is something we need to understand in order to > | | figure out what happens if a atomic host upgrades and rolls back. > | | > | | > | > | I am not running with expermental or user namespace. But I do see issues with containers created while in docker-1.10 and then dropping back to docker-9
ls /var/lib/docker containers graph linkgraph.db repositories-devicemapper trust devicemapper image network tmp volumes ls /var/lib/docker/containers/ 1e1a4d59c375752f5ef794a1c7ad4c3231c78da4cad24028d2cb8a54734d0147 6073b1c7c08f2b01d4b040535fe6235f7066ab3d06aa3537d579055f828b2979 d5a8ffb2727416684d18675a424cc713d705f9e7d73d1a134412fad385ad3435 dc8ba4c6922250483259fecc1a564c3aff28a3b7f88d4d3a34dc9223c406b825 docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES d5a8ffb27274 fedora "bash" 16 hours ago Exited (137) 55 minutes ago drunk_colden 6073b1c7c08f fedora "bash" 17 hours ago Exited (0) 17 hours ago boring_shockley docker version Client: Version: 1.9.1 API version: 1.21 Package version: docker-1.10.0-6.git39f99b6.fc24.x86_64 Go version: go1.5.1 Git commit: 6ec29ef Built: Mon Nov 30 20:09:34 UTC 2015 OS/Arch: linux/amd64 Server: Version: 1.9.1 API version: 1.21 Package version: docker-1.10.0-6.git39f99b6.fc24.x86_64 Go version: go1.5.1 Git commit: 6ec29ef Built: Mon Nov 30 20:09:34 UTC 2015 OS/Arch: linux/amd64
