physical volumes

# pvs
  PV         VG     Fmt  Attr PSize   PFree  
  /dev/sda2  vg_79 lvm2 a--  465.52g 211.52g

list physical volumes

# pvdisplay 

# pvdisplay  -C

volume groups

# vgs
  VG     #PV #LV #SN Attr   VSize   VFree  
  vg_79   1  1    wz--n- 465.52g 211.52g

list all volume groups

# vgscan

# vgdisplay

# vgdisplay -C

activate all

# vgchange -ay

deactivate a specific volume group

# vgchange -an vol_group_1

activate all logical volumes on a volume group, only

# vgchange -ay vol_group_1

logical volumes

list logical volumes

# lvs

# lvdisplay -C

Create a new LVM partition

# lvcreate -L 1G -n /dev/vg_group1/lv_vol1 

# mkfs.ext4 -L lv_vol1 /dev/vg_group1/lv_vol1 

# mount /dev/vg_group1/lv_vol1 /media/

extend an lvm partition

How to extend an lvm partition:

umount /opt/dnl

lvextend -L +5G /dev/vg1/dnl

e2fsck -f /dev/vg1/dnl

resize2fs /dev/vg1/dnl 

mount /opt/dnl/

resize to 1%

BASH

# lvresize -l +1%FREE -n /dev/vg1/backup 
<!--markup:2:begin-->

resize xfs

LVM resize



# lvresize -l +1%FREE -n /dev/vg_xps/lv_Breach

  Size of logical volume vg_xps/lv_Breach changed from 5. GiB (128 extents) to <6.97 GiB (1784 extents).
  Logical volume vg_xps/lv_Breach successfully resized.

xfs grow

# xfs_growfs /opt/Breach<!--markup:2:end-->