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document dirperm1 fix for #783 in known issues

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Since `dirperm1` requires a more recent aufs patch than many current OS release,
we cant remove #783 completely. This documents that docker will apply `dirperm1`
automatically for systems that support it

Signed-off-by: Daniel, Dao Quang Minh <dqminh89@gmail.com>
This commit is contained in:
Daniel, Dao Quang Minh 2015-03-26 07:46:13 +00:00
parent 281abd2c8a
commit d7bbe2fcb5
2 changed files with 16 additions and 3 deletions
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10
docs/sources/reference/builder.md
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@ -280,8 +280,14 @@ The cache for `RUN` instructions can be invalidated by `ADD` instructions. See
- [Issue 783](https://github.com/docker/docker/issues/783) is about file
permissions problems that can occur when using the AUFS file system. You
might notice it during an attempt to `rm` a file, for example. The issue
describes a workaround.
might notice it during an attempt to `rm` a file, for example.
For systems that have recent aufs version (i.e., `dirperm1` mount option can
be set), docker will attempt to fix the issue automatically by mounting
the layers with `dirperm1` option. More details on `dirperm1` option can be
found at [`aufs` man page](http://aufs.sourceforge.net/aufs3/man.html)
If your system doesnt have support for `dirperm1`, the issue describes a workaround.
## CMD

9
docs/sources/release-notes.md
View file

@ -57,7 +57,14 @@ impact on users. This list will be updated as issues are resolved.
* **Unexpected File Permissions in Containers**
An idiosyncrasy in AUFS prevents permissions from propagating predictably
between upper and lower layers. This can cause issues with accessing private
keys, database instances, etc. For complete information and workarounds see
keys, database instances, etc.
For systems that have recent aufs version (i.e., `dirperm1` mount option can
be set), docker will attempt to fix the issue automatically by mounting
the layers with `dirperm1` option. More details on `dirperm1` option can be
found at [`aufs` man page](http://aufs.sourceforge.net/aufs3/man.html)
For complete information and workarounds see
[Github Issue 783](https://github.com/docker/docker/issues/783).
* **Docker Hub incompatible with Safari 8**