3 Aug
2020
3 Aug
'20
11:43 p.m.
The CRUSH map makes up the so called "Cluster Map", for which the Ceph Monitors
maintain a master copy. This is precisely why you have multiple monitors - for high
availability in case a monitor goes down.
This is all explained quite well in the architecture documentation:
https://docs.ceph.com/docs/master/architecture/#cluster-map.
Regards,
G.
On Mon, Aug 3, 2020, at 2:01 PM, Edward kalk wrote:
The metadata that tells CEPH where all data is
located, my understanding is the crush map. Where is it stored, is it redundantly
distributed so as to protect from node failure? What safeguards the critical cluster
metadata?
-Ed
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