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6.3. Downloading the Red Hat Gluster Storage Image from the Red Hat Registry
A Docker registry provides a place to store and share docker containers that are saved as images that can be shared with other people. With the docker package available with Red Hat Enterprise Linux Atomic Host, you can pull images from the Red Hat Customer Portal. You see what images are available to pull from the Red Hat Customer Portal (using docker pull) by searching the Red Hat Container Images Search Page at https://access.redhat.com/search/browse/container-images.
- You can verify the docker service is running with the following command:
Copy to Clipboard Copied! Toggle word wrap Toggle overflow - Download the Red Hat Gluster Storage Container images from the Red Hat Docker Registry using the following command:
docker pull registry.access.redhat.com/rhgs3/rhgs-server-rhel7
# docker pull registry.access.redhat.com/rhgs3/rhgs-server-rhel7
Copy to Clipboard Copied! Toggle word wrap Toggle overflow - Verify that you have a Red Hat Gluster Storage image on a Red Hat Enterprise Linux Atomic Host 7.2 by checking the contents of the /etc/redhat-release file. First, on the host system:
cat /etc/redhat-release Red Hat Enterprise Linux Atomic Host 7.2
# cat /etc/redhat-release Red Hat Enterprise Linux Atomic Host 7.2
Copy to Clipboard Copied! Toggle word wrap Toggle overflow - And next, you can check the Red Hat Gluster Storage Container Image, again from the host system (no need to log into the container image):
docker run rhgs3/rhgs-server-rhel7 cat /etc/redhat-storage-release Red Hat Gluster Storage Server 3.1 Update 2 (Container)
# docker run rhgs3/rhgs-server-rhel7 cat /etc/redhat-storage-release Red Hat Gluster Storage Server 3.1 Update 2 (Container)
Copy to Clipboard Copied! Toggle word wrap Toggle overflow
This means that you have successfully downloaded a Red Hat Gluster Storage Image on a Red Hat Enterprise Linux 7.2 Atomic Host and you can use that image.
For information on configuring Containerized Red Hat Gluster Storage, see Red Hat Gluster Storage 3.1 Administration Guide at https://access.redhat.com/documentation/en-US/Red_Hat_Storage/3.1/html/Administration_Guide/index.html.