Modifying and Removing Volume Groups

Question 1

What does volume group management allow?

Answer 1

Flexible adjustments to storage resources

Question 2

Name key commands for modifying/removing VGs.

Answer 2

vgextend, vgchange, vgexport, vgimport, vgremove

Question 3

What does vgextend do?

Answer 3

Adds a physical volume to an existing volume group

Question 4

Syntax for vgextend?

Answer 4

vgextend <volume_group_name> <physical_volume></physical_volume></volume_group_name>

Question 5

Example of vgextend?

Answer 5

vgextend vg_projects /dev/sdc1

Question 6

What does vgchange do?

Answer 6

Activates or deactivates a volume group

Question 7

Syntax for vgchange?

Answer 7

vgchange [options] <volume_group_name></volume_group_name>

Question 8

Example to activate VG?

Answer 8

vgchange -a y vg_data

Question 9

Example to deactivate VG?

Answer 9

vgchange -a n vg_data

Question 10

What does vgexport do?

Answer 10

Prepares a volume group for transfer to another system (marks inactive and exported)

Question 11

Syntax for vgexport?

Answer 11

vgexport <volume_group_name></volume_group_name>

Question 12

Example of vgexport?

Answer 12

vgexport vg_archive

Question 13

What does vgimport do?

Answer 13

Imports an exported volume group on a new system

Question 14

Syntax for vgimport?

Answer 14

vgimport <volume_group_name></volume_group_name>

Question 15

Example of vgimport?

Answer 15

vgimport vg_archive

Question 16

What does vgremove do?

Answer 16

Deletes a volume group with no remaining logical volumes

Question 17

Syntax for vgremove?

Answer 17

vgremove <volume_group_name></volume_group_name>

Question 18

Example of vgremove?

Answer 18

vgremove vg_temp