Chapter 7

Question 1

Which of the following could be an appropriate reference to one of the volume group vg0’s physical volumes?

Answer 1

/dev/sdb3

Question 2

Which of the following would be an appropriate reference to the logical volume lv1?

Answer 2

/dev/vg0/lv1

Question 3

Which of the following commands is used to initialize an lvm physical volume?

Answer 3

pvcreate

Question 4

What is the name of the granular unit which is used to structure the assignments of disk space to logical volumes within a volume group?

Answer 4

physical extent

Question 5

Which command is used to add a physical volume to an already existing volume group?

Answer 5

vgextend

Question 6

Use the output of the following command to answer the next two questions.

[root@station] pvdisplay /dev/sdb1
--- Physical volume ---
PV Name               /dev/sdb1
VG Name               vg0
PV Size               37.16 GB [7792848 secs] / NOT usable 4.1 MB [LVM: 165 KB]
PV#                   1
PV Status             available
Allocatable           yes
Cur LV                6
PE Size (KByte)       4096
Total PE              9511
Free PE               2
Allocated PE          9509
PV UUID               ptzILn-vnWA-SmcN-fu2m-Bsjt-MUO6-67tjDT

Answer 6

-

Question 7

What is the name of the volume group to which this physical volume has been contributed?

Answer 7

vg0

Question 8

What is the size of the physical extents for the physical volume?

Answer 8

4 megabytes

Question 9

Use the output of the following command to answer the next two questions.

[root@station] vgdisplay vg0
--- Volume group ---
VG Name               vg0
VG Access             read/write
VG Status             available/resizable
VG #                  0
MAX LV                256
Cur LV                6
Open LV               5
MAX LV Size           255.99 GB
Max PV                256
Cur PV                1
Act PV                1
VG Size               37.15 GB
PE Size               4 MB
Total PE              9511
Alloc PE / Size       9509 / 37.14 GB
Free  PE / Size       2 / 8 MB
VG UUID               GonJxd-GLBD-XFWC-2zuU-JM8Q-isye-3B345B

Answer 9

-

Question 10

How much space is available for assignment to a logical volume?

Answer 10

8 megabytes

Question 11

Which of the following must be specified when creating a logical volume?

Answer 11

The name of the logical volume and The Size of the Logical Volume

Question 12

Which of the following can be created at install time using the Red Hat Enterprise Linux installer?

Answer 12

Physical volumes, Volume Groups, Logical Volumes