After researching this issue for 2 days (and found nothing) i turn to u!
After installing omv5 on a brand new usb stick (sandisk ultra fit), after some reboots and plugin installations (flashmemory, omv extras and zfs) trouble starts...
I cant find for the life of me why the root filesystem gets mounted read only. There are no indications in dmesg, /var/log or anywhere. I also enabled systemd debug logging, but only symptoms of the read only root filesystem show there.
I reinstalled to another usb stick, same issue, nothing found...
A mount -o rw remount /dev/sdx1 resolves the problem, but that shouldnt be necessary.
I changed fstab to use /dev/disk/by-uuid/blablabla.
I am really pulling my hair here, have read almost everything there is to read about these kinds of issues.
If anyone has any idea ?