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Merge pull request #19156 from HackToday/19152-fix-voldoc

Remove the old reference link
This commit is contained in:
moxiegirl 2016-01-07 09:21:58 -08:00
commit 374a9596b2

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@ -236,9 +236,9 @@ allows you to upgrade, or effectively migrate data volumes between containers.
> providing the `-v` option to delete its volumes. If you remove containers
> without using the `-v` option, you may end up with "dangling" volumes;
> volumes that are no longer referenced by a container.
> Dangling volumes are difficult to get rid of and can take up a large amount
> of disk space. We're working on improving volume management and you can check
> progress on this in [pull request #14214](https://github.com/docker/docker/pull/14214)
> You can use `docker volume ls -f dangling=true` to find dangling volumes,
> and use `docker volume rm <volume name>` to remove a volume that's
> no longer needed.
## Backup, restore, or migrate data volumes