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Clarify data volume init with existing data 

Though I am not clear on the intent of the sentence if it means that existing data in the base image is copied into the new volume then the additions I propose make that more clear than the present language.

Signed-off-by: Kent Johnson <kentoj@gmail.com>
This commit is contained in:
Kent Johnson 2015-04-20 13:46:55 -06:00
parent a7690076c9
commit ff9f0134ae
1 changed files with 2 additions and 2 deletions
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docs/sources/userguide/dockervolumes.md
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@ -25,8 +25,8 @@ System*](/terms/layer/#union-file-system). Data volumes provide several
useful features for persistent or shared data: useful features for persistent or shared data:
- Volumes are initialized when a container is created. If the container's - Volumes are initialized when a container is created. If the container's
base image contains data at the specified mount point, that data is base image contains data at the specified mount point, that existing data is
copied into the new volume. copied into the new volume upon volume initialization.
- Data volumes can be shared and reused among containers. - Data volumes can be shared and reused among containers.
- Changes to a data volume are made directly. - Changes to a data volume are made directly.
- Changes to a data volume will not be included when you update an image. - Changes to a data volume will not be included when you update an image.