Monitors Removal
MUST be done on the MON NODE
ceph mon dump --format json-pretty
cat /etc/pve/ceph.conf
ceph -s
pveceph mon destroy hp0105blade07duplicate
cd /etc/systemd/system/ceph-mon.target.wants
ls -al
unlink ceph-mon@hp0105blade07duplicate.service
ls -al
cd /var/lib/ceph/mon/
ls
rm -R ceph-hp0105blade07duplicate/
ls
pvestatd status
pvestatd restart
Code language: JavaScript (javascript)Can follow similar process for MGR and MDS
OSDs removal
ssh {osd-to-be-retained-host}
ceph osd tree
# suppose osd 20 is to be removed
ceph osd out osd.20
ceph osd down osd.20
ssh {osd-to-be-removed-host}
systemctl stop ceph-osd@20
sudo /etc/init.d/ceph stop osd.{osd-num}
ssh {osd-to-be-retained-host}
ceph osd crush rm osd.20
ceph auth del osd.20
ceph osd destroy 20 --yes-i-really-mean-it
Code language: PHP (php)CEPH Crashes, Warnings, Status etc.
ceph crash ls
ceph crash info <id>
ceph crash archive <id>
ceph crash archive-allCode language: HTML, XML (xml)
