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Feature #41905
openAdd ability to change fsid of cluster
Status:
New
Priority:
Normal
Assignee:
-
Category:
-
Target version:
-
% Done:
0%
Source:
Tags:
Backport:
Reviewed:
Affected Versions:
Component(RADOS):
Pull request ID:
Description
There is a case where you want to change the fsid of a cluster: When you have splitted a cluster into two different cluster with their own MONs.
This procedure isn't easy, but it's doable.
You then end up with two clusters with the same fsid.
The fsid is recorded in multiple places:
- osdmap
- monmap
- Data store of OSDs
- ceph.conf
It would be nice if we can modify the fsid of an existing cluster (without downtime?)
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