Rook is an open-source cloud-native storage orchestrator for Kubernetes, which leverages the Ceph storage system to provide scalable and reliable storage solutions. The Rook (Ceph Operator) automates the deployment, configuration, and management of Ceph clusters on Kubernetes, making it easier for developers to integrate storage into their applications.
When working with Rook (Ceph Operator), you might encounter an error message stating RBD_IMAGE_NOT_FOUND. This error typically occurs when attempting to access or manipulate an RBD (RADOS Block Device) image that cannot be located within the Ceph cluster.
The error message might look like this:
Error: RBD_IMAGE_NOT_FOUND - Image 'my-image' not found
The RBD_IMAGE_NOT_FOUND error indicates that the specified RBD image does not exist in the Ceph cluster. This could be due to several reasons, such as an incorrect image name being specified or the image having been deleted or never created.
To resolve the RBD_IMAGE_NOT_FOUND error, follow these steps:
Ensure that the image name you are using is correct. You can list all available RBD images in the pool using the following command:
rbd ls
Replace <pool-name> with the actual name of your Ceph pool. This command will list all RBD images in the specified pool. Verify that the image you are trying to access is listed.
If the image is not listed, it might have been deleted. Check your logs or any automated scripts that might have removed the image. If the image was deleted, you will need to recreate it.
If the image was never created or was deleted, you can recreate it using the following command:
rbd create / --size
Replace <pool-name>, <image-name>, and <size> with your desired pool name, image name, and size in MB, respectively.
For more information on managing RBD images, you can refer to the official Ceph RBD documentation. Additionally, the Rook documentation provides comprehensive guidance on using Rook with Ceph.
By following these steps, you should be able to resolve the RBD_IMAGE_NOT_FOUND error and ensure that your RBD images are correctly managed within your Ceph cluster.
(Perfect for DevOps & SREs)
(Perfect for DevOps & SREs)
