虛擬機磁盤不足時擴展磁盤後更改當前大小

https://blog.csdn.net/qq_26963433/article/details/79467959

https://blog.csdn.net/dn98201/article/details/78670278

注：

lvextend -L +10G /dev/mapper/centos-root

如果鏈接1的命令

resize2fs /dev/mapper/centos-root報錯則執行此命令

xfs_growfs /dev/mapper/centos-root