Red Hat Summit Red Hat SummitSupportConsoleDevelopersStart a trialContact

Chapter 1. Prerequisites

To use Ceph Block Device commands on your client node, you will have to meet some prerequisites.

1.1. Execute pre-installation requirements
Copy link

For streamlined installation and deployment, you should execute the pre-installation procedures mentioned in Pre-Installation Requirements on your Ceph client node. Specifically, you should disable requiretty, set SELinux to Permissive and set up a Ceph Deploy user with password-less sudo.

1.2. Install Ceph Common Package
Copy link

The ceph-common package provides the rbd command. To install ceph-common package you will have to enable RH-Common repository. Execute the following steps on client node:

  1. Enable RH-Common repository.

    For RHEL 6, execute: 

    sudo subscription-manager repos --enable=rhel-6-server-rh-common-rpms
sudo yum update
    Copy to Clipboard Toggle word wrap

    For RHEL 7, execute: 

    sudo subscription-manager repos --enable=rhel-7-server-rh-common-rpms
sudo yum update
    Copy to Clipboard Toggle word wrap

  2. Install Ceph Common package.

    Execute: 

    sudo yum install ceph-common
    Copy to Clipboard Toggle word wrap

1.3. Enable access to the Ceph cluster
Copy link

The client node where you will add a block device, also needs to have access to the Ceph Storage Cluster. To be able to access the cluster, the client node will need the cluster configuration file.

Execute from the admin node of the cluster: 

ceph-deploy --overwrite-conf config push <client-node>
Copy to Clipboard Toggle word wrap
Back to top
Red Hat logoGithubredditYoutubeTwitter

Learn

Try, buy, & sell

Communities

About Red Hat Documentation

We help Red Hat users innovate and achieve their goals with our products and services with content they can trust. Explore our recent updates.

Making open source more inclusive

Red Hat is committed to replacing problematic language in our code, documentation, and web properties. For more details, see the Red Hat Blog.

About Red Hat

We deliver hardened solutions that make it easier for enterprises to work across platforms and environments, from the core datacenter to the network edge.

Theme

© 2025 Red Hat