Hi, what is the output of ceph mon stat Or ceph mon dump and ceph quorum_status When you see there your expectes nodes then i should all be fine... Hth Mehmet Am 6. September 2021 18:23:46 MESZ schrieb Josh Baergen <jbaergen@xxxxxxxxxxxxxxxx>: >Hi Melanie, > >On Mon, Sep 6, 2021 at 10:06 AM Desaive, Melanie ><Melanie.Desaive@xxxxxxxxxxx> wrote: >> When I execute "ceph mon_status --format json-pretty" from our ceph-management VM, the correct mon nodes are returned. >> >> But when I execute "ceph daemon osd.xx config show | grep mon_host" on the respective storage node the old mon node IPs are returned. >> >> I am now unsure, that if I change more mon nodes, the information known to the OSDs could become invalid one after the other and we could run into heavy problems? > >"config show" is showing you the mon IPs read from the OSDs' >ceph.conf, and is what is used to initially connect to the mons. After >that, my understanding is that those IPs don't matter as the OSDs will >use the IPs from the mons for further connections/communication. >However, I'm not certain what happens if, for example, all of your >mons were to go down for a period of time; do the OSDs use the last >monmap for reconnecting to the mons or do they revert to using the >configured mon IPs? > >At the very least, you should be fine to replace all of your mons and >update each ceph.conf with the new info without needing to restart the >OSDs. After that it may be wise to restart the OSDs to both update the >configured mon IPs as well as test to make sure that they can >reconnect to the new mons without issue in case of a future outage. > >Josh >_______________________________________________ >ceph-users mailing list -- ceph-users@xxxxxxx >To unsubscribe send an email to ceph-users-leave@xxxxxxx _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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