Scan logical volumes
lvscan command is used to scan all LVM logical volumes that exist in the current system. Use the lvscan command to discover all logical volumes in the system and their corresponding device files.
lvscan(option)
-b: Display the major and minor device numbers of the logical volume.
Use the lvscan command to scan all logical volumes in the system. Enter the following command at the command line:
[root@localhost ~]# lvscan #Scan all logical volumes
The output information is as follows:
ACTIVE '/dev/vg1000/lvol0' [200.00 MB] inherit