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I am running Ubuntu 18.04 server edition on an Intel NUC7CJYH, and noticed I only had about 50% of my SSD available. Running sudo lsblk showed the following:

NAME                      MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
sda                         8:0    0 465.8G  0 disk
├─sda1                      8:1    0   512M  0 part /boot/efi
├─sda2                      8:2    0     1G  0 part /boot
└─sda3                      8:3    0 464.3G  0 part
  └─ubuntu--vg-ubuntu--lv 253:0    0   200G  0 lvm  /

How can I resize the partition under sda3 to make use of the entire drive?

I found this question, but it is quite a bit more complex than what I am working with, and I'm not quite sure what to google to get to the root of my issue.

I appreciate any help!

Josh Loecker
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  • Why did you make /boot on a separate 1G partition? – Pilot6 Jan 26 '21 at 21:37
  • @Pilot6 I'm not sure why /boot has a 1G partition. It must have happened when I was installing somehow. But yes, I believe this link will help. Thank you! – Josh Loecker Jan 26 '21 at 22:45
  • @Pilot6 I've tried to resize the partitions following the link, but in GParted it says the full ~500GB is partitioned for sda3. I cannot expand the partition any larger than it already is, and I cannot change the size of the ubuntu--vg-ubuntu--lv section – Josh Loecker Jan 27 '21 at 17:49
  • You can shrink /boot first. – Pilot6 Jan 27 '21 at 17:50

1 Answers1

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It'd be interesing to see more logs but OOTB I wonder if you inadvertently setup a RAID[1] configuration.

A quick way to check is to run : sudo mdadm /dev/sda

or alternativelty check if these files exist and their contents:

  • cat /proc/mdstat
  • cat /etc/mdadm.conf

If this is indeed the case I suggest the fastest way in a new system is to simply reinstall making sure no RAID configuration is used. I believe it is possible to remove a RAID config on a live system but I'm not familiar enough with it and wouldn't risk it myself. A backup and reinstall might be the fastest path.

[1] https://en.wikipedia.org/wiki/RAID

keponk
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  • sudo mdadm /dev/sda shows /dev/sda: is not an md array. cat /proc/mdstat shows this output: https://pastebin.com/L4QeKL15. cat /etc/mdadm/mdadm.conf shows this output: https://pastebin.com/SJksPf9W. I don't believe I have a RAID array set up based on the first command, but I could be wrong in what I see – Josh Loecker Jan 27 '21 at 16:36
  • I can get any other logs you'd like to see, as well, if you're interested – Josh Loecker Jan 27 '21 at 16:39