Separate names with a comma.
For testing, you can start qemu manually with modified parameters. You can get the exact qemu command line with:
# qm showcmd <vmid>
Expected votes is reset as soon as new nodes join.
You do not need all, only a majority (4 in your case).
You can temporarily set expected votes to a lower value:
# pvecm expected...
Multicast problem? Test with omping:
For VMs, all backup modes should work.
Yes, there are plans, but there is also a lack of time/resources to implement it ...
See "man pct"
# pct fstrim <vmid>
Simply install LVM on that harddisk. Then you can use it as normal storage and assign parts to the VMs.
Yes, the greylisting database is synced between nodes.
Feel free to do that, it should work. Besides, I see no reason to change the docs.
Why do you want to change the location? We simply prefer the .list file.
Above is the output from pvesm when the server starts hanging?
This is usually a problem with the storage. What is the output of
# pvesm status
Sorry, but where is that message from?
All you need is "qemu-img", and this is already installed. There is no need to install package "qemu-utils".
To reinstall packages run:
Das log is nicht komplett und enthält keine Fehler ...
Administration is up to the Administrator, so settings apply to all users. Of cause, you can adopt the rule system to behave differently for some...
Debian is always a good choice if you need a stable OS.
Please open a feature request at https://bugzilla.proxmox.com