Basic Storage Part

Question 1

show partition info with fdisk

Answer 1

fdisk -l

Question 2

tool for partitioning GPT format only

Answer 2

gdisk

Question 3

create MBR partition

Answer 3

sudo parted /dev/sdb print = vew current partition info
sudo parted /dev/sdb mklabel msdos = assign disk lable (performed only once on a disk)
Or
sudo parted /dev/sdb mklabel gpt
run first command again
sudo parted /dev/sdb mkpart primary 1 101m
print again

Question 4

delete MBR partition

Answer 4

sudo parted /dev/sdb rm 1

Question 5

get into gdisk main interface

Answer 5

sudo gdisk /dev/sdc

Question 6

create GPT partition

Answer 6

sudo gdisk /dev/sdc
> o = assigns gpt as the partition table type
> p = view disk info
> n = new partition
run through prompts
> p = view info
> w = writes the partition info to partition table

Question 7

view partition info

Answer 7

grep sdc /proc/partitions
lsblk /dev/sdc

Question 8

Delete GPT partition

Answer 8

sudo gdisk /dev/sdc
> d1 = deletes first partion
> p = confirm deletion
> w = write the updated partition info to disk

Question 9

install and enable VDO

Answer 9

sudo dnf install vdo kmod-kvdo -y
sudo systemctl –now enable vdo

Question 10

create VDO volume

Answer 10

sudo vdo create –name vdo-vol1 –device /dev/sdf –vdoLogicalSize 16G –vdoSlabSize 128
SlabSize = the size of the increment that VDO volumes will grow - must be a power of 2

Question 11

list VDO volumes

Answer 11

sudo vdo list
lsblik /dev/sdf

Question 12

see vdo info

Answer 12

sudo vdostats –hu

Question 13

show detailed info of specific VDO volume

Answer 13

sudo vdo status –name vdo-vol1

Question 14

delete VDO volume

Answer 14

sudo vdo remove –name vdo-vol1
sudo vdo list