CentOS7LVM logical partition automatic expansion Shell Scripting

Scenarios and known issues: Apply to CentOS6 or CentOS7 (possibly available on CentOS4 and earlier versions such as 5) The root file system (extended file system) use LVM to manage, such as the mount command output “/dev/mapper/vg_$hostname-lv_root on/type ext4 (RW)“ in the “Mapper“ keywords Automatic expansion of the root file system, if you want to […]