In order to become active, PG is currently mapped to a different OSD or set of OSDs. This is likely to occur when OSD is down but has not been recovered to the remaining OSDs.
- Preface
- Planning for Ceph
- What is Ceph?
- How Ceph works?
- Ceph use cases
- Specific use cases
- Infrastructure design
- Network design
- How to plan a successful Ceph implementation
- Understanding your requirements and how it relates to Ceph
- Defining goals so that you can gauge if the project is a success
- Choosing your hardware
- Training yourself and your team to use Ceph
- Running PoC to determine if Ceph has met the requirements
- Following best practices to deploy your cluster
- Defininga change management process
- Creating a backup and recovery plan
- Summary
- Deploying Ceph
- BlueStore
- Erasure Coding for Better Storage Efficiency
- Developing with Librados
- Distributed Computation with Ceph RADOS Classes
- Monitoring Ceph
- Tiering with Ceph
- Tuning Ceph
- Troubleshooting
- Disaster Recovery
Remapped
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