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 > _______________________________________________ > ceph-users mailing list -- [email protected] > To unsubscribe send an email to [email protected] > _______________________________________________ ceph-users mailing list -- [email protected] To unsubscribe send an email to [email protected]
