docker
/
docs
mirror of https://github.com/docker/docs.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
docker-for-aws/persistent-data-volumes.md
View File

@ -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 Cloudstor to mount a persistent data volume. In Docker for AWS, Cloudstor has
two `backing` options: two `backing` options:
- `relocatable` data volumes which are backed by EBS. - `relocatable` data volumes are backed by EBS.
- `shared` data volumes which are backed by EFS. - `shared` data volumes are backed by EFS.
When you use the Docker CLI to create a swarm service along with the persistent 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 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: `maxio` for high IO throughput:
```bash ```bash
{% raw %}
$ docker service create \ $ docker service create \
--replicas 5 \ --replicas 5 \
--name ping3 \ --name ping3 \
--mount type=volume,volume-driver=cloudstor:aws,source={{.Service.Name}}-{{.Task.Slot}}-vol5,destination=/mydata,volume-opt=perfmode=maxio \ --mount type=volume,volume-driver=cloudstor:aws,source={{.Service.Name}}-{{.Task.Slot}}-vol5,destination=/mydata,volume-opt=perfmode=maxio \
alpine ping docker.com alpine ping docker.com
{% endraw %}
``` ```
You can also create `shared` Cloudstor volumes using the You can also create `shared` Cloudstor volumes using the
@ -163,11 +165,13 @@ the following volume options are available:
Example usage: Example usage:
```bash ```bash
{% raw %}
$ docker service create \ $ docker service create \
--replicas 5 \ --replicas 5 \
--name ping3 \ --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 \ --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 alpine ping docker.com
{% endraw %}
``` ```
The above example creates and mounts a distinct Cloudstor volume backed by 25 GB EBS 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: You can also create EBS backed volumes using the `docker volume create` CLI:
```bash ```bash
{% raw %}
$ docker volume create \ $ docker volume create \
-d "cloudstor:aws" \ -d "cloudstor:aws" \
--opt ebstype=io1 \ --opt ebstype=io1 \
@ -194,7 +197,6 @@ $ docker volume create \
--opt iops=1000 \ --opt iops=1000 \
--opt backing=relocatable \ --opt backing=relocatable \
mylocalvol1 mylocalvol1
{% endraw %}
``` ```
Sharing the same `relocatable` Cloudstor volume across multiple tasks of a 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. takes to transfer volume data across availability zones.
```bash ```bash
{% raw %}
$ docker service create \ $ docker service create \
--replicas 5 \ --replicas 5 \
--name ping2 \ --name ping2 \
--mount type=volume,volume-driver=cloudstor:aws,source={{.Service.Name}}-{{.Task.Slot}}-vol,destination=/mydata \ --mount type=volume,volume-driver=cloudstor:aws,source={{.Service.Name}}-{{.Task.Slot}}-vol,destination=/mydata \
alpine ping docker.com alpine ping docker.com
{% endraw %}
``` ```
Here, each task has mounts its own volume at `/mydata/` and the files under that Here, each task has mounts its own volume at `/mydata/` and the files under that