Address requested changes

This commit is contained in:
Deep Debroy 2017-06-28 10:23:51 -07:00 committed by GitHub
parent 12b603c577
commit 0411064829
1 changed files with 8 additions and 4 deletions

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@ -14,8 +14,8 @@ mode tasks and regular Docker containers can use a volume created with
Cloudstor to mount a persistent data volume. In Docker for AWS, Cloudstor has
two `backing` options:
- `relocatable` data volumes which are backed by EBS.
- `shared` data volumes which are backed by EFS.
- `relocatable` data volumes are backed by EBS.
- `shared` data volumes are backed by EFS.
When you use the Docker CLI to create a swarm service along with the persistent
volumes used by the service tasks, you can create three different types of
@ -132,11 +132,13 @@ The only option available for EFS is `perfmode`. You can set `perfmode` to
`maxio` for high IO throughput:
```bash
{% raw %}
$ docker service create \
--replicas 5 \
--name ping3 \
--mount type=volume,volume-driver=cloudstor:aws,source={{.Service.Name}}-{{.Task.Slot}}-vol5,destination=/mydata,volume-opt=perfmode=maxio \
alpine ping docker.com
{% endraw %}
```
You can also create `shared` Cloudstor volumes using the
@ -163,11 +165,13 @@ the following volume options are available:
Example usage:
```bash
{% raw %}
$ docker service create \
--replicas 5 \
--name ping3 \
--mount type=volume,volume-driver=cloudstor:aws,source={{.Service.Name}}-{{.Task.Slot}}-vol,destination=/mydata,volume-opt=backing=local,volume-opt=size=25,volume-opt=ebstype=gp2 \
alpine ping docker.com
{% endraw %}
```
The above example creates and mounts a distinct Cloudstor volume backed by 25 GB EBS
@ -186,7 +190,6 @@ IOPs is absolutely necessary.
You can also create EBS backed volumes using the `docker volume create` CLI:
```bash
{% raw %}
$ docker volume create \
-d "cloudstor:aws" \
--opt ebstype=io1 \
@ -194,7 +197,6 @@ $ docker volume create \
--opt iops=1000 \
--opt backing=relocatable \
mylocalvol1
{% endraw %}
```
Sharing the same `relocatable` Cloudstor volume across multiple tasks of a
@ -209,11 +211,13 @@ you already have too many EBS volumes or want to reduce the amount of time it
takes to transfer volume data across availability zones.
```bash
{% raw %}
$ docker service create \
--replicas 5 \
--name ping2 \
--mount type=volume,volume-driver=cloudstor:aws,source={{.Service.Name}}-{{.Task.Slot}}-vol,destination=/mydata \
alpine ping docker.com
{% endraw %}
```
Here, each task has mounts its own volume at `/mydata/` and the files under that