lvextend -L +20G /mnt/mysql
lvextend -L +20G /dev/mapper/vg1-lvMysql
resize2fs /dev/mapper/vg1-lvMysql
扩容一下。没了 一个。
后来，改下名字又改回来警告就消失了
lvrename vg1 lvMysql lvMysql33
lvrename vg1 lvMysql33 lvMysqlWARNING: Cannot find matching striped segment for vg1/lvMysql.