Dear Mark and Nico, I think this might be the time to file a tracker report. As far as I can see, your set-up is as it should be, OSD operations on your clusters should behave exactly as on ours. I don't know of any other configuration option that influences placement calculation. The problems you (Nico in particular) describe seem serious enough. I heard also other reports of admin operations killing a cluster starting with Nautilus, most notably this one https://lists.ceph.io/hyperkitty/list/ceph-users@xxxxxxx/thread/W4M5XQRDBLXFGJGDYZALG6TQ4QBVGGAJ/#4KY3OW7PTOODLQVYKARZLGE5FZUNQOER . Maybe there is/are regressions with crush placement computations (and others)? I will add this to the list of tests before considering to upgrade from mimic. Best regards, ================= Frank Schilder AIT Risø Campus Bygning 109, rum S14 ________________________________________ From: Marc Roos <M.Roos@xxxxxxxxxxxxxxxxx> Sent: 30 September 2020 22:26:11 To: eblock; Frank Schilder Cc: ceph-users; nico.schottelius Subject: RE: Re: hdd pg's migrating when converting ssd class osd's I am not sure, but it looks like this remapping at hdd's is not being done when adding back the same ssd osd. _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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