As long as the cluster is no healthy, the OSD will require much more space, depending on the cluster size and other factors. Yes this is somewhat normal. -- Martin Verges Managing director Mobile: +49 174 9335695 E-Mail: martin.verges(a)croit.io Chat: https://t.me/MartinVerges croit GmbH, Freseniusstr. 31h, 81247 Munich CEO: Martin Verges - VAT-ID: DE310638492 Com. register: Amtsgericht Munich HRB 231263 Web: https://croit.io YouTube: https://goo.gl/PGE1Bx Am Fr., 2. Okt. 2020 um 15:46 Uhr schrieb Andreas John <aj(a)net-lab.net>et>:

One guy in the Russian Ceph chat had this problem when he had "insights" mgr module enabled. So try to disable various mgr modules and see if it helps... > Hello, > > we observed massive and sudden growth of the mon db size on disk, from > 50MB to 20GB+ (GB!) and thus reaching 100% disk usage on the mountpoint. > > As far as we can see, it happens if we set "noout" for a node reboot: > After the node and the OSDs come back it looks like the mon db size > increased drastically. > > We have 14.2.11, 10 OSD @ 2TB and cephfs in use. > > Is this a known issue? Should we avoid noout? > > TIA, > > derjohn > > -- > Andreas John > net-lab GmbH | Frankfurter Str. 99 | 63067 Offenbach > Geschaeftsfuehrer: Andreas John | AG Offenbach, HRB40832 > Tel: +49 69 8570033-1 | Fax: -2 | http://www.net-lab.net > > Facebook: https://www.facebook.com/netlabdotnet > Twitter: https://twitter.com/netlabdotnet > > _______________________________________________ > ceph-users mailing list -- ceph-users(a)ceph.io > To unsubscribe send an email to ceph-users-leave(a)ceph.io