CORRECT TEXT
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
Answer: see explanation below.
Explanation
fdisk -cu /dev/vda// Create a 1G partition, modified when needed
partx Ca /dev/vda
pvcreate /dev/vdax
vgcreate datastore /dev/vdax Cs 16M
lvcreateC l 50 Cn database datastore
mkfs.ext3 /dev/datastore/database
mkdir /mnt/database
mount /dev/datastore/database /mnt/database/ df CTh
vi /etc/fstab
/dev/datastore /database /mnt/database/ ext3 defaults 0 0 mount Ca
Restart and check all the questions requirements.