Logical volumes and snapshots

Read the output

The snapshot was taken with 64 MiB of space, then 40 MiB of new data was written to the origin. What will Data% show for checkpoint?

sudo lvcreate -s -L 64M -n checkpoint /dev/lab_vg/data
dd if=/dev/urandom of=/mnt/lvm-data/blob.bin bs=1M count=40
sudo lvs lab_vg

• A About 63.
• B 100, since the snapshot is full.
• C 0, since the snapshot is taken and the write does not affect it.
• D About 31.