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docs: update deprecation status for "overlay2.override_kernel_check"

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Commit 955c1f881a
(v17.12.0) replaced detection of support for multiple lowerdirs (as required by
overlay2) to not depend on the kernel version. The `overlay2.override_kernel_check`
was still used to print a warning that older kernel versions may not have full
support.

After this, e226aea280
(v20.10, but backported to v19.03.7) removed uses of the option altogether.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Sebastiaan van Stijn
2022-10-10 14:28:12 +02:00
parent 8d807a045c
commit bacc5e3aad
2 changed files with 15 additions and 10 deletions
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14
docs/deprecated.md
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@ -69,6 +69,7 @@ The table below provides an overview of the current status of deprecated feature
| Removed | [`docker engine` subcommands](#docker-engine-subcommands) | v19.03 | v20.10 |
| Removed | [Top-level `docker deploy` subcommand (experimental)](#top-level-docker-deploy-subcommand-experimental) | v19.03 | v20.10 |
| Removed | [`docker stack deploy` using "dab" files (experimental)](#docker-stack-deploy-using-dab-files-experimental) | v19.03 | v20.10 |
| Disabled | [Support for the `overlay2.override_kernel_check` storage option](#support-for-the-overlay2override_kernel_check-storage-option) | v19.03 | - |
| Disabled | [AuFS storage driver](#aufs-storage-driver) | v19.03 | - |
| Disabled | [Legacy "overlay" storage driver](#legacy-overlay-storage-driver) | v18.09 | - |
| Disabled | [Device mapper storage driver](#device-mapper-storage-driver) | v18.09 | - |
@ -464,6 +465,19 @@ format, support for the DAB file format and the top-level docker deploy command
(hidden by default in 19.03), will be removed, in favour of `docker stack deploy`
using compose files.
### Support for the `overlay2.override_kernel_check` storage option
**Deprecated in Release: v19.03**
**Disabled in Release: v19.03**
This daemon configuration option disabled the Linux kernel version check used
to detect if the kernel supported OverlayFS with multiple lower dirs, which is
required for the overlay2 storage driver. Starting with Docker v19.03.7, the
detection was improved to no longer depend on the kernel _version_, so this
option was no longer used.
Docker v22.06 logs a warning in the daemon logs if this option is set, and
users should remove this option from their daemon configuration.
### AuFS storage driver