RHCSA RHCSA LVM Storage Management 2

Question 1

Which command displays detailed information about a specific logical volume, including its size and status?

Accepted Answer

lvdisplay /dev/vg0/lv0

Answer

lvdisplay shows detailed attributes of a logical volume including size, status, and path.

Question 2

After extending a logical volume with lvextend, what must you do to make the extra space usable on an XFS filesystem?

Accepted Answer

xfs_growfs /dev/vg0/lv0

Answer

xfs_growfs expands an XFS filesystem to fill the newly extended logical volume.

Question 3

What is the correct command to remove a logical volume named 'data' from volume group 'vg1'?

Accepted Answer

lvremove /dev/vg1/data

Answer

lvremove is the correct command to delete a logical volume; the LV must be unmounted first.

Question 4

Which file contains persistent LVM configuration metadata backed up automatically on changes?

Accepted Answer

/etc/lvm/backup/

Answer

LVM automatically archives volume group metadata to /etc/lvm/backup/ after each configuration change.

Question 5

You want to create a logical volume using 100% of the free space in vg0. Which command achieves this?

Accepted Answer

lvcreate -l 100%FREE -n lv0 vg0

Answer

The -l 100%FREE syntax tells lvcreate to use all remaining free extents in the volume group.

RHCSA Exam Practice Test