Advanced-Storage

#Advanced storage management using VDO and LVM


#Instal vdo and enable
sudo dnf install vdo
sudo dnf list vdo
sudo systemctl status vdo
sudo systemctl enable vdo


#List available blks to manipulate
lsblk


#Create vdo volume with custom name and device on system nvme storage - logical size will be 100GB
sudo vdo create --name=vdo_primary --device=/dev/nvme0n2 --vdoLogicalSize=100G

#Check vdo stats to verify creation
sudo vdostats --hu
sudo vdstats -verbose /dev/mapper/vdo_primary 
sudo vdostats -verbose /dev/mapper/vdo_primary 
sudo vdostats --verbose /dev/mapper/vdo_primary 
sudo vdostats --verbose /dev/mapper/vdo_primary | grep -B6 'saving percent'

#Create physical volume for vdo disk
sudo pvcreate /dev/mapper/vdo_primary

#create volume group for vdo 
sudo vgcreate vg_vd_primary /dev/mapper/vdo_primary

#verify
sudo vgdisplay vdoprimary
sudo vgdisplay vdo_primary
sudo vgdisplay

#Create two logical volumes
sudo lvcreate -n vdo1 -L 25G vg_vd_primary
sudo lvcreate -n vdo2 -L 25G vg_vd_primary
sudo lvs
sudo vgs

#Make FS type xfs - preping to mount the two logical volumes
sudo mkfs.xfs -K /dev/vg_vd_primary/vdo1
sudo mkfs.xfs -K /dev/vg_vd_primary/vdo2

#Verify configuration
lsblk


#Create directory to mount
sudo mkdir /data
sudo mkdir /data/v01
sudo mkdir /data/v02
lsblk

#Mount file system to system
sudo mount -o discard /dev/vg_vd_primary/vdo1 /data/v01
sudo mount -o discard /dev/vg_vd_primary/vdo2 /data/v02