I had similar problemas with one of the 3 AMD "servers" and it was a hardware problem as some memory does not work well with overclock profile.
I also noticed that GeForce display cards are better supported.
See if you find any "errors" in dmesg and / or syslog.
Thank you @Dominic for the update.
At least for me the way GlusterFS "balance" the nodes is too slow to use it as an online storage.
For VM backup and other backup needs its a good price / security option especially when you consider remote nodes ( geographically distributed nodes ).
Today is a national holiday and I managed to go to the remote site and test WOL again and now its working as expected.
I'm running the latest PVE kernel available ( Linux pve-03 5.0.21-5-pve #1 SMP PVE 5.0.21-10 ).
Mobo is a ASUS PRIME B450M.
BIOS version: 1820 / date: 09/12/2019
Maybe a group of FW rules + IPS can improve antivirus from MS ( and others ).
Security is a journey / methodology and not just a product.
I'm evaluating Windows Defender + IPFire.