Hello!

I have purged my ceph and reinstalled it.
ceph-deploy purge node1 node2 node3
ceph-deploy purgedata node1 node2 node3
ceph-deploy forgetkeys

All disks configured as OSDs are physically in two servers.
Due to some restrictions I needed to modify the total number of disks usable as 
OSD, this means I have now less disks as before.

The installation with ceph-deploy finished w/o errors.

However, if I start all OSDs (on any of the servers) I get some services with 
status "failed".
ceph-osd@70.service                                                             
                           loaded failed failed    Ceph object storage daemon
ceph-osd@71.service                                                             
                           loaded failed failed    Ceph object storage daemon
ceph-osd@92.service                                                             
                           loaded failed failed    Ceph object storage daemon
ceph-osd@93.service                                                             
                           loaded failed failed    Ceph object storage daemon
ceph-osd@94.service                                                             
                           loaded failed failed    Ceph object storage daemon
ceph-osd@95.service                                                             
                           loaded failed failed    Ceph object storage daemon
ceph-osd@96.service                                                             
                           loaded failed failed    Ceph object storage daemon

Any of these services belong to the previous installation.

If I stop any of the failed service and disable it, e.g.
systemctl stop ceph-osd@70.service
systemctl disable ceph-osd@70.service
the status is correct.

However, when I trigger 
systemctl restart ceph-osd.target
these zombie services get in status "auto-restart" first and then "fail" again.

As a workaround I need to mask the zombie services, but this should not be a 
final solution: systemctl mask ceph-osd@70.service

Question:
How can I get rid of the zombie services "ceph-osd@xx.service"?

THX
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