drbd 9.06 3 node cluster on Proxmox 4.4 not working

Hi All, 

I have a problem and I hope  that someone can help me. 

I have a 3 node cluster  with Proxmox 4.4 and  DRBD 9.06.1 with
drbdmanage 0.99.4 working in production from 2016 and for some reason I
don't like to update to the new version for the moment . 

Now Proxmox is still working but DRBD not more, these are the situation
and the errors: 

root@mpve2:/etc/drbd.d# drbdadm status
.drbdctrl role:Secondary
volume:0 disk:Outdated
volume:1 disk:UpToDate
mpve1 role:Secondary
volume:0 peer-disk:Outdated
volume:1 peer-disk:UpToDate
mpve3 role:Secondary
volume:0 peer-disk:Outdated
volume:1 peer-disk:UpToDate 

root@mpve2:~# drbdmanage list-nodes
Waiting for server: ...............
Error: Startup not successful (no quorum? not *both* nodes up in a 2
node cluster?)
No nodes defined 

and trying: 

root@mpve2:~# systemctl enable drbd
Synchronizing state for drbd.service with sysvinit using update-rc.d...
Executing /usr/sbin/update-rc.d drbd defaults
Executing /usr/sbin/update-rc.d drbd enable
update-rc.d: error: drbd Default-Start contains no runlevels, aborting. 

more: 

root@mpve2:/var/lib/pve-cluster# drbdmanage a 

Error: Cannot connect to the drbdmanaged process using DBus
The DBus subsystem returned the following error description:
org.freedesktop.DBus.Python.TypeError: Traceback (most recent call
last):
File "/usr/lib/python2.7/dist-packages/dbus/service.py", line 751, in
_message_cb
_method_reply_return(connection, message, method_name, signature,
*retval)
File "/usr/lib/python2.7/dist-packages/dbus/service.py", line 254, in
_method_reply_return
reply.append(signature=signature, *retval)
TypeError: 'int' object is not iterable 

How can I restore RBD operation? (I can, if necessary, remove all the VM
as I have backups). 

Thanks in advance, 

Michele

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