Lvm formatting Problems

For more information about lvm formatting-Linux general technology-Linux technology and application, see the following. We know that a partition without Formatting cannot be directly mounted to a directory.

The experiment steps are as follows:
1. Add a new hard disk to the virtual machine. The disk size is 8 GB.

2. Divide the new hard disk into two primary partitions, each of which is 1 GB in size, and the remaining partitions are empty.
As an extended partition

3. Create two logical partitions on the extended partition, each with a size of 1 GB

4. format the new partition to the ext3 type.
5. Convert sdb1 and sdb2 partitions into logical volumes

6. Use logical volumes sdb1 and sdb2 to create a volume group web

7. Add the physical volume sdb5 to the volume group web

8. Create a 1 GB logical volume on the volume group web page, with the name
Web_lv

9. Expand 1 GB space in the volume group web

10. format the logical volume web_lv to the ext3 type and mount it
/Media Directory