SIMULATION - Create a logical volume - Create a new logical volume as required: Name the logical volume as database, belongs to datastore of the volume group, size is 50 PE. Expansion size of each volume in volume group datastore is 16MB. Use ext3 to format this new logical volume, this logical volume should automatically mount to /mnt/database 

See explanation below.

fdisk -cu /dev/vda// Create a 1G partition, modified when needed partx ""a /dev/vda pvcreate /dev/vdax vgcreate datastore /dev/vdax ""s 16M lvcreate"" l 50 ""n database datastore mkfs.ext3 /dev/datastore/database mkdir /mnt/database mount /dev/datastore/database /mnt/database/ df ""Th vi /etc/fstab /dev/datastore /database /mnt/database/ ext3 defaults 0 0 mount ""a Restart and check all the questions requirements.