How to replace an OSD and keep the same configuration when server has unused device(s) and using Ceph Orchestrator
Issue
- Ceph Orchestrator when replacing an OSD by default can pick any available device for provisioning the replacement.
- Additional care must be taken if the server has unused device(s) and current configuration needs to remain consistent.
Environment
- Ceph Orchestrator
- During an OSD replacement activity with unused device(s) on the server:
- Requirement to use drives in the same physical order as when deployed for uniformity.
- The unused device(s) are for future expansion or use.
- During an OSD replacement activity with unused device(s) on the server:
Note: Without the Orchestrator Ceph will not grab any available device during a replacement activity.
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.