I've upgraded one of our clusters from 5.4 to 6.2 only yesterday and unfortunately cannot start VMs using iSCSI storage using the UI.
The logs don't show much, all I see there is Error: start failed: QEMU exited with code -1
Researching the forum I read that errors like these are likely...
I have six Proxmox hypervisors (various licenses) running 5.4 which I began upgrading this week (to 6.2-4). I'm on the second machine today and running into the same problem that I had on my first upgrade.
There is an LVM volume defined from the 5.4 Proxmox install which is tagged with...