From ceph-nautilus (v14) instead of ceph-octopus (v15).
aborrero@cumin1001:~ $ sudo cumin A:cloudceph-eqiad1 "dpkg -l ceph-common" 27 hosts will be targeted: cloudcephmon[1001-1003].eqiad.wmnet,cloudcephosd[1001-1024].eqiad.wmnet Ok to proceed on 27 hosts? Enter the number of affected hosts to confirm or "q" to quit 27 ===== NODE GROUP ===== (1) cloudcephosd1021.eqiad.wmnet ----- OUTPUT of 'dpkg -l ceph-common' ----- Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) ||/ Name Version Architecture Description +++-==============-============-============-================================================================== ii ceph-common 14.2.21-1 amd64 common utilities to mount and interact with a ceph storage cluster ===== NODE GROUP ===== (26) cloudcephmon[1001-1003].eqiad.wmnet,cloudcephosd[1001-1020,1022-1024].eqiad.wmnet ----- OUTPUT of 'dpkg -l ceph-common' ----- Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) ||/ Name Version Architecture Description +++-==============-=================-============-================================================================== ii ceph-common 15.2.11-1~bpo10+1 amd64 common utilities to mount and interact with a ceph storage cluster ================
This is because the system was installed with debian bullseye instead of buster.