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Include container migration into tutorial

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Signed-off-by: Adrian Reber <areber@redhat.com>
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Adrian Reber
2019-02-05 17:20:31 +00:00
parent 42e903decb
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docs/tutorials/podman_tutorial.md
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@ -96,6 +96,28 @@ After being restored, the container will answer requests again as it did before
curl http://<IP_address>:8080 curl http://<IP_address>:8080
``` ```
### Migrate the container
To live migrate a container from one host to another the container is checkpointed on the source
system of the migration, transferred to the destination system and then restored on the destination
system. When transferring the checkpoint, it is possible to specify an output-file.
On the source system:
```console
sudo podman container checkpoint <container_id> -e /tmp/checkpoint.tar.gz
scp /tmp/checkpoint.tar.gz <destination_system>:/tmp
```
On the destination system:
```console
sudo podman container restore -i /tmp/checkpoint.tar.gz
```
After being restored, the container will answer requests again as it did before checkpointing. This
time the container will continue to run on the destination system.
```console
curl http://<IP_address>:8080
```
### Stopping the container ### Stopping the container
To stop the httpd container: To stop the httpd container:
```console ```console