Logical volume Manager

Question 1

LVM benefits

Answer 1

Let’s you create one file system across multiple storage devices

Question 2

LVM lets you

Answer 2

Easily migrate data from one system to another

Question 3

LVM mirroring

Answer 3

Lets you store data on two devices

Question 4

Snapshots

Answer 4

Lets you get the state of your data at a specific moment

Question 5

Physical volumes

Answer 5

Any devices that the linux operating system can access

Question 6

Volume group

Answer 6

Groups of physical volumes

Question 7

Logical volumes

Answer 7

Parts of a volume group

Question 8

lvmdiskscan

Answer 8

Checks for all the devices that can be used with lvm

Question 9

lsblk

Answer 9

Tells you more about disks

Question 10

pv create path

Answer 10

Creates a physical volume

Question 11

pvs

Answer 11

Lists physical volumes

Question 12

vgcreate name physical volume path

Answer 12

Creates a volume group with a physical volume underneath

Question 13

vgs

Answer 13

Tells you about a volume group

Question 14

lvcreate -L 20G-n lv_data volumegrpup

Answer 14

Creates a 2gigogical volume

Question 15

lvs

Answer 15

Prints your logical volumes

Question 16

mkfs

Answer 16

Make file system. Needs an ext value and a path

Question 17

PE and LE size

Answer 17

4 MB

Question 18

lvextend -L +5G

Answer 18

Extend the size of a logical volume

Question 19

-r on lv extend

Answer 19

Resizes the file system on the logical volume

Question 20

lvcreate -m 1

Answer 20

Creates 1 mirror lv

Question 21

vgremove

Answer 21

Destroys a vg

Question 22

lgremove

Answer 22

Destroys an lg

Question 23

pgremove

Answer 23

Destroys a physical volume

Question 24

pgmove

Answer 24

Let’s you move a physical volume to a different volume group