lsblk
    fdisk -l
blkid -o list
fdisk /dev/vda

 partprobe
blkid -o list
 mkdir /cache
  mkfs.ext4 /dev/vda3
mount /dev/vda3 /cache
 blkid -o list
nano /etc/fstab

e2label /dev/vda3 "LVM Cache"
 blkid -o list
systemctl daemon-reload
reboot

   lvs

blkid -o list

lsblk

fdisk /dev/vda

lvmdiskscan
     pvs -o+pv_used
     lsblk

 lvcreate --size 3G --snapshot --name storage_snapshot /dev/storage/website
   lvdisplay /dev/storage/website
    mkfs.ext4 /dev/storage/storage_snapshot
    mkdir /storage_data/websitesnapshot
     mount /dev/storage/storage_snapshot /storage_data/websitesnapshot
   e2label /dev/storage/storage_snapshot "Web Snapshot"
     lvs