you are right, thank you
now it is up and running again
[root@kvm380 ~]# ls
/rhev/data-center/mnt/glusterSD/kvm380.durchhalten.intern\:_engine/36663740-576a-4498-b28e-0a402628c6a7/ha_agent/
-lha
insgesamt 0
drwxr-xr-x. 2 vdsm kvm 67 1. Jan 1970 .
drwxr-xr-x. 6 vdsm kvm 64 7. Dez 12:08 ..
lrwxrwxrwx. 1 vdsm kvm 132 8. Dez 06:49 hosted-engine.lockspace ->
/var/run/vdsm/storage/36663740-576a-4498-b28e-0a402628c6a7/de9b53fb-6c86-4036-9f1c-1f08d1828e2f/d41a5061-94b8-4e0d-84ec-8af0c547955a
lrwxrwxrwx. 1 vdsm kvm 132 8. Dez 06:49 hosted-engine.metadata ->
/var/run/vdsm/storage/36663740-576a-4498-b28e-0a402628c6a7/aec89d8d-0c7c-42b8-8889-1713d7e8a667/39ec2ecd-57b5-4424-8666-d7b673b1e8b6