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

lvinfo /dev/vg0/lv0

Answer

lvscan /dev/vg0/lv0

Answer

lvstat /dev/vg0/lv0

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

resize2fs /dev/vg0/lv0

Answer

mkfs.xfs /dev/vg0/lv0

Answer

fsck /dev/vg0/lv0

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

vgremove /dev/vg1/data

Answer

lvrm /dev/vg1/data

Answer

lvdelete /dev/vg1/data

Question 4

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

Accepted Answer

/etc/lvm/backup/

Answer

/etc/lvm/lvm.conf

Answer

/var/lib/lvm/

Answer

/proc/lvm/

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

lvcreate -l 100FREE -n lv0 vg0

Answer

lvcreate -L 100% -n lv0 vg0

Answer

lvcreate --full -n lv0 vg0

Question 6

What does the 'pe_start' value represent in LVM physical volume metadata?

Accepted Answer

The offset where the first physical extent begins on the disk

Answer

The size of each physical extent

Answer

The total number of physical extents

Answer

The UUID of the physical volume

Question 7

Which command would you use to scan all block devices and report any LVM physical volumes found?

Accepted Answer

pvscan

Answer

pvcheck

Answer

pvlist

Answer

pvfind