"J" == jorma ojala jorma.ojala@iki.fi writes:
J> Hi again, I just installed Ubuntu 18.04.1 LTS (desktop) on the J> very same server, with the four (4) disks in RAID5 J> configuration. Installation took place without a hitch.
J> Is there something else that I can do to help solving the initial J> problem ?
Can you send me the dmesg info concerning disk initialization, lsmod and lsblk on the booted Ubuntu? Did you setup the RAID 5 as software RAID under Ubuntu or in the RAID controller BIOS?