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chagelog: update docker btrfs backwards compatibility

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Thilo Fromm 2023-10-30 18:03:27 +01:00
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commit 63aabb9962
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changelog/changes/2023-10-25-docker-gentoo-upstream.md
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- **NOTE** The docker btrfs storage driver has been de-prioritised; BTRFS backed storage will now default to the `overlay2` driver
([changelog](https://docs.docker.com/engine/release-notes/23.0/#bug-fixes-and-enhancements-6), [upstream pr](https://github.com/moby/moby/pull/42661)).
Using the btrfs driver can still be enforced by creating a respective [docker config](https://docs.docker.com/storage/storagedriver/btrfs-driver/#configure-docker-to-use-the-btrfs-storage-driver) at `/etc/docker/daemon.json`.
- **NOTE that if you are using btrfs-backed Docker storage and are upgrading to this new version then the driver for that storage will change to `overlay2`.**
To prevent this please create a respective docker daemon configuration file on affected nodes as discussed above.
- **NOTE** that if you are already using btrfs-backed Docker storage and are upgrading to this new version, Docker will automatically use the `btrfs` storage driver for backwards-compatibility with your deployment.
- **Docker will remove the `btrfs` driver entirely in a future version. Please consider migrating your deployments to the `overlay2` driver.**