1. Create PV/VG
pvcreate /dev/sdX
vgcreate vgdata /dev/sdX2. Create LV
lvcreate -L 50G -n lvdata vgdata3. Filesystem
mkfs.ext4 /dev/vgdata/lvdata4. Mount
Add to /etc/fstab and mount:
mount -aQuick checklist
[ ] Steps completed
[ ] Config updated
[ ] Service tested
[ ] Restart/rollback ready
[ ] Logs checked