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Forum Discussion
oldNASuser
Mar 06, 2026Aspirant
Just installed Ubuntu Server 24.04.4 on Ultra4, how to organize partitions?
Hi, I tinkered with trying to get SMB multipath working on OS6, but as Debian Jessie has not been supported for many years I decided to try to load modern Linux distro on my Ultra 4. After lot o...
- Mar 11, 2026
OK, I will comment myself as I got it all running. Ubuntu boots just fine on Ultra 4 internally now. No need for USB sticks of external drives.
The trick is in doing disk configuration right once you boot from Ubuntu USB installer. Chose "custom storage layout".
- Remove all partitions from all drives (except USB stick). Yes, that includes internal 128MB flash...no going back now
- Create MD0RAID5 or RAID1 partition across SATA drives as you fancyf, format ax ext4 (btrfs might work too, haven't tried)
- Mark 128MB flash as boot (this will place grub on it)
- Mount RAID partition as /, this will place everything on RAID5.
Once you press "Done" it will start doing the work. Be prepared, it will take loooong time. Copying files from USB takes time, but so does creating parity for RAID5 array. We are talking hours and maybe days.
Also, chose quality USB stick. I had it abort after few hours due to USB being corrupt.
I now have ReadyNAS-shaped Linux server and it rocks!
Sandshark
Mar 07, 2026Sensei
The baud rate is not consistent across different models of NAS for legacy units, so anyone following your lead. There is a post somewhere on the forum that lists at least some of them, but it's very old and I could not easily locate it.
If you change your OS partition to be a RAID1 across all drives, there may be more to it.
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