To answer my own question:
Sorry for the noise...
Am Do., 20. Sep. 2018 um 14:54 Uhr schrieb Kevin Olbrich <ko@xxxxxxx>:
Hi!Currently I have a cluster with four hosts and 4x HDDs + 4 SSDs per host.I also have replication rules to distinguish between HDD and SSD (and failure-domain set to rack) which are mapped to pools.What happens if I add a heterogeneous host with 1x SSD and 1x NVMe (where NVMe will be a new device-class based rule)?Will the crush weight be calculated from the OSDs up to the failure-domain based on the crush rule?The only crush-weights I know and see are those shown by "ceph osd tree".Kind regardsKevin
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