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Chapter 21. Upgrading Your OS From RHEL 6.6 to RHEL 7.1
To upgrade your OS from RHEL 6.6 to RHEL 7.1, we recommend upgrading in the following sequence:
- Admin Node
- Monitor Nodes
- OSD Nodes
- Ceph Object Gateway Nodes.
Before starting the OS upgrade, stop your Ceph cluster. Execute:
sudo /etc/init.d/ceph -a stop
Once you execute with -a (i.e., execute on all nodes), Ceph should stop operating.
Then, follow the steps mentioned in Upgrade from RHEL 6 to RHEL 7 to upgrade your OS to RHEL 7.1
Note
You can either use a migration script or use preupgrade-assistant followed by manual steps to upgrade your OS from RHEL 6 to RHEL 7. In case, you encounter a issue while upgrading, please contact Red Hat Support to assist you in the OS upgrade process.
Once, you have upgraded your OS to RHEL 7.1, start ceph from your admin node.
Execute:
sudo /etc/init.d/ceph -a start
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