The chlv command is used to change the characteristics of a logical volume.
Characteristics that can be changed are the allocation and scheduling policies and the
permissions. (When a logical volume is created it always has read/write permission, but
this can be changed to read-only later.)
You can change the name of a logical volume using the chlv command with the -n
option. No other chlv options can be specified if -n is used.