linux 硬盘分区扩容及fdisk 误删修复

紧要

https://blog.csdn.net/lms99251/article/details/124660801

紧要

https://blog.csdn.net/u010420859/article/details/98185193
误删修复攻略

紧要

ubuntn 类似系统阔盘无效时可执行：
sudo pvresize /dev/sda3 # 将物理卷扩展到 /dev/sda3 的完整大小

sudo lvextend -l +100%FREE /dev/mapper/ubuntu–vg-ubuntu–lv

sudo resize2fs /dev/mapper/ubuntu–vg-ubuntu–lv

df -h / # 查看根目录容量是否变为约47G