For testing purposes I set a bunch of OSD to 0 weight, this correctly forces Ceph to not use said OSD. I took enough out such that the UP set only had Pool min size # of OSD (i.e 2 OSD).
Two Questions: 1. Why doesn't the acting set eventually match the UP set and simply point to [6,5] only 2. Why are none of the PGs marked as undersized and degraded? The data is only hosted on 2 OSD rather then Pool size (3), I would expect a undersized warning and degraded for PG with data? Example PG: PG 1.4d active+clean+remapped UP= [6,5] Acting = [6,5,4] OSD Tree: ID CLASS WEIGHT TYPE NAME STATUS REWEIGHT PRI-AFF -1 0.08817 root default -3 0.02939 host hostosd1 0 hdd 0.00980 osd.0 up 1.00000 1.00000 3 hdd 0.00980 osd.3 up 1.00000 1.00000 6 hdd 0.00980 osd.6 up 1.00000 1.00000 -5 0.02939 host hostosd2 1 hdd 0.00980 osd.1 up 0 1.00000 4 hdd 0.00980 osd.4 up 0 1.00000 7 hdd 0.00980 osd.7 up 0 1.00000 -7 0.02939 host hostosd3 2 hdd 0.00980 osd.2 up 1.00000 1.00000 5 hdd 0.00980 osd.5 up 1.00000 1.00000 8 hdd 0.00980 osd.8 up 0 1.00000
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