Hi Oliver,
I did the "Confirmed host has been updated" step..
If I retry to ACTIVATE my Master Storage domain this morning as you suggest but it
didn't change anything. Here is what I get in the storage domain event log:
ID 985 - Oct 28, 2018, 10:09:17 AM - Failed to Reconstruct Master Domain for Data Center
Default.
ID 967 - Oct 28, 2018, 10:16:29 AM - Failed to activate Storage Domain nas01-data2 (Data
Center Default) by admin@internal-authz