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Update migration.md (#4236)

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Wang Jie 2017-08-18 05:56:25 +08:00 committed by Misty Stanley-Jones
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commit 7122a66aff
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@ -33,13 +33,13 @@ possible for a manifest list to be used for targeting multiple
architectures/platforms. Moving to the new manifest format will be completely architectures/platforms. Moving to the new manifest format will be completely
transparent. transparent.
## Preparing for upgrade ## Prepare for upgrade
To make your current images accessible to the new model we have to migrate them To make your current images accessible to the new model we have to migrate them
to content addressable storage. This means calculating the secure checksums for to content addressable storage. This means calculating the secure checksums for
your current data. your current data.
All your current images, tags and containers are automatically migrated to the All your current images, tags, and containers are automatically migrated to the
new foundation the first time you start Docker Engine 1.10. Before loading your new foundation the first time you start Docker Engine 1.10. Before loading your
container, the daemon will calculate all needed checksums for your current data, container, the daemon will calculate all needed checksums for your current data,
and after it has completed, all your images and tags will have brand new secure and after it has completed, all your images and tags will have brand new secure
@ -50,7 +50,7 @@ can take time if you have lots of image data.** On average you should assume
that migrator can process data at a speed of 100MB/s. During this time your that migrator can process data at a speed of 100MB/s. During this time your
Docker daemon won’t be ready to respond to requests. Docker daemon won’t be ready to respond to requests.
## Minimizing migration time ## Minimize migration time
If you can accept this one time hit, then upgrading Docker Engine and restarting If you can accept this one time hit, then upgrading Docker Engine and restarting
the daemon will transparently migrate your images. However, if you want to the daemon will transparently migrate your images. However, if you want to