lvm

Check the physical volumes 

 pvs

 

 PV VG Fmt Attr PSize PFree

 /dev/sda3 ubuntu-vg lvm2 a-- <2.73t 0 

 

 Check the volume groups 

 vgs

 

 VG #PV #LV #SN Attr VSize VFree

 ubuntu-vg 1 2 0 wz--n- <2.73t 0

 

 Check the logical volumes 

 lvs

 

 LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert

 plot01 ubuntu-vg -wi-ao---- 2.53t 

 ubuntu-lv ubuntu-vg -wi-ao---- 200.00g 

 

 Display volume group details 

 vgdisplay

 

 --- Volume group ---

 VG Name ubuntu-vg

 System ID 

 Format lvm2

 Metadata Areas 1

 Metadata Sequence No 3

 VG Access read/write

 VG Status resizable

 MAX LV 0

 Cur LV 2

 Open LV 2

 Max PV 0

 Cur PV 1

 Act PV 1

 VG Size <2.73 TiB

 PE Size 4.00 MiB

 Total PE 715140

 Alloc PE / Size 715140 / <2.73 TiB

 Free PE / Size 0 / 0 

 VG UUID rY8uzZ-2Xrc-TdNR-lOWt-Fr4O-uAKY-H0UsRs

 

 Create the additional logical volume 

 lvcreate -l 663940 -n plot01 ubuntu-vg

 

 Create filesystem 

 mkfs.ext4 /dev/ubuntu-vg/plot01

 

 Get the new UUID 

 blkid

 

 /dev/mapper/ubuntu--vg-plot01: UUID="3107980c-8ee0-4f63-adeb-2d0f50fe2f5c" TYPE="ext4"

 

 Add it to fstab 

 vim /etc/fstab

 

 UUID=3107980c-8ee0-4f63-adeb-2d0f50fe2f5c /home/chia/chia/chia-blockchain/plot01 ext4 errors=remount-ro 0 1