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Re: [LUG] Ubuntu LVM

 

On 12/10/2021 10:34, Martin Gautier wrote:
> Hi
>
> I've taken over a fresh install of Ubuntu on a remote server and it seems it's been
> installed with LVM.
>
> Physically, it's a 2TB drive but it seems only 200G has been assigned to /
>
> root@vladimir:/home/mart# lsblk
> NAME                      MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT
> loop0                       7:0    0 55.4M  1 loop /snap/core18/2128
> loop1                       7:1    0 32.3M  1 loop /snap/snapd/12704
> loop2                       7:2    0 70.3M  1 loop /snap/lxd/21029
> loop3                       7:3    0 32.3M  1 loop /snap/snapd/13170
> loop4                       7:4    0 61.9M  1 loop /snap/core20/1169
> loop5                       7:5    0 67.3M  1 loop /snap/lxd/21545
> sda                         8:0    0  1.8T  0 disk
> ├─sda1                      8:1    0  512M  0 part /boot/efi
> ├─sda2                      8:2    0    1G  0 part /boot
> └─sda3                      8:3    0  1.8T  0 part
>   └─ubuntu--vg-ubuntu--lv 253:0    0  200G  0 lvm  /
> root@vladimir:/home/mart# pvs
>   PV         VG        Fmt  Attr PSize  PFree
>   /dev/sda3  ubuntu-vg lvm2 a--  <1.82t 1.62t
> root@vladimir:/home/mart# pvdisplay
>   --- Physical volume ---
>   PV Name               /dev/sda3
>   VG Name               ubuntu-vg
>   PV Size               <1.82 TiB / not usable 3.00 MiB
>   Allocatable           yes
>   PE Size               4.00 MiB
>   Total PE              476547
>   Free PE               425347
>   Allocated PE          51200
>   PV UUID               qzGaew-Ske6-rV6m-T1KM-7Ii2-WjeN-b6tnST
> root@vladimir:/home/mart#
>
> I don't know much about LVM currently. Will / stretch to fill by drive
> automatically or do I need to do something else? How would I stretch / to fill the
> drive? Or should I add a new partition and mount it within / ? How would I do that
> using LVM?
>
> Thanks
>
My Go-To resource for anything LVM is the Arch Wiki -
https://wiki.archlinux.org/title/LVM . Most things you should want/need to know are
held therein.
Have fun!

BR,
veremitz/Michael.

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