Updating Ceph

Keeping Ceph up-to-date is incredibly simple with croit. There are two different kinds of update.

Minor Version Updates

For minor version updates, the way to update is simply to select a new boot image and then rebooting your nodes.

1. Navigate to Servers -> Images.
2. Select and download the latest stable image. You will only be shown compatible images for your current Ceph version.
3. Once the image has downloaded, click Default.
4. Now select all servers and click Actions -> Rolling Reboot.

Major Version Updates

For major version updates, Ceph requires all services to be restarted in a specific order along with some other manual steps. croit takes care of all of this for you.

1. Navigate to Maintenance -> Ceph Updates.
2. If there is an upgrade available it will let you know.
3. Eg. if you are on Pacific click Migrate to Quincy.
4. Once the upgrade has started you can follow along, by clicking on the notification in the top right corner.