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Cleanup commands

I don't have a great place to put these in the main readme, so I'll slap some commands in here.

Ceph Nuke

If you've really screwed up, you can run the following commands on each of your hosts to completely nuke ceph and re-start the install/bootstrapping process

rm -rf /etc/systemd/system/ceph*
killall -9 ceph-mon ceph-mgr ceph-mds
rm -rf /var/lib/ceph/mon/  /var/lib/ceph/mgr/  /var/lib/ceph/mds/
apt -y purge ceph-mon ceph-osd ceph-mgr ceph-mds
rm /etc/init.d/ceph
apt reinstall $(apt search ceph | grep installed | awk -F/ '{print $1}' | xargs);
dpkg-reconfigure ceph-base
dpkg-reconfigure ceph-mds
dpkg-reconfigure ceph-common
dpkg-reconfigure ceph-fuse
apt reinstall $(apt search ceph | grep installed | awk -F/ '{print $1}' | xargs);

# Clean Podman containers
podman stop `podman ps -aq`
podman rm `podman ps -aq`

# Remove Ceph LVM devices
for disk in $(lsblk | grep  ceph | cut -c7- | awk '{print $1}'); do
    dmsetup remove ${disk}
done

# Remove Ceph directory contents
rm -rf /etc/ceph/*
rm -rf /var/lib/ceph/*