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Docs: Add note that export doesn't include volume data.

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The documentation on `docker export` doesn't mention that
data in volumes is not included in the export.

This adds a note that volumes are not part of the export
and refers to the "Backup, restore, or migrate data volumes"
to give the user some pointers.

Relates to https://github.com/docker/docker/issues/10095

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Upstream-commit: 67588d0ec4d73a8f2efb150d555c38b7ebfca7f6
Component: engine
This commit is contained in:
Sebastiaan van Stijn
2015-01-14 23:47:17 +01:00
parent c664f952ef
commit 3abcc54bab
1 changed files with 9 additions and 0 deletions
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9
components/engine/docs/sources/reference/commandline/cli.md
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@ -998,6 +998,15 @@ For example:
$ sudo docker export red_panda > latest.tar
> **Note:**
> `docker export` does not export the contents of volumes associated with the
> container. If a volume is mounted on top of an existing directory in the
> container, `docker export` will export the contents of the *underlying*
> directory, not the contents of the volume.
>
> Refer to [Backup, restore, or migrate data volumes](/userguide/dockervolumes/#backup-restore-or-migrate-data-volumes)
> in the user guide for examples on exporting data in a volume.
## history
Usage: docker history [OPTIONS] IMAGE