Ubuntu
docker.io package

upgrading docker.io with aufs backend

Asked by Dennis Jakobsen

So, Ubuntu decided to upgrade docker in the middle of an LTS release, but refusing to if i have 'aufs' backend .. i have spent 2 days going through guides on how to migrate images and containers and i still dont have a working solution..

So my question is whether i can just switch to the 'overlay2' storage driver temporarily while upgrading and then switch back after?

I'm going out on a limb here and going to assume that unsupported is still far away from obsolete and the actual removal of this 'aufs' backend driver?

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Dennis Jakobsen (brunis-gmail) said : 		#1

https://askubuntu.com/questions/1361206/docker-upgrade-failure-the-aufs-storage-driver-is-no-longer-supported

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actionparsnip (andrew-woodhead666) said : 		#2

The overlay2 thing is from the official docs so I'd say try it. If you can, snapshot the server or at least take a full bacukup in case of catastrophe. This is very strange indeed....wasn't aware of this

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