Dear All, Early days of my venture with Ceph. I understand that one should have at least two hosts to truly appreciate the design of Ceph. But as a baby step having one playground on a single host is really unavoidable. My env: A single Azure VM Ubuntu 20.04 Installed cephadm via apt per official doc. ceph version 15.2.13 (c44bc49e7a57a87d84dfff2a077a2058aa2172e2) octopus (stable) Issues encountered: Following steps here: https://docs.ceph.com/en/latest/cephadm/install/ I’ve created a initial-ceph.conf to set osd crush chooseleaf type = 0. 1, with cmd like: sudo cephadm bootstrap --config initial-ceph.conf --mon-ip 10.2.0.4 It seems my config line is simply ignored in the final conf. I’ve tried “osd crush chooseleaf type = 0” (no underline symbol but rather space, I doubt if the document is correct). I’ve also tried “osd_crush_chooseleaf_type = 0” (underline rather than space). I’ve tried putting a tab to start the line, or without tab. My line is always ignored, unless I use --no-minimize-config switch. 2, with above switch and seeing my value set to 0 in conf file, when I login to the dashboard, looking at Cluster -> Configuration, search this item, it shows Default value to 1, Current value empty, means it doesn’t really got set? I’ve tried to search an answer for a while, but didn’t get any hint or workaround, any help would be greatly appreciated, Best regards, Dong Xie CodeRobin Ltd. |
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