对VMware下CentOS7虚拟机,根分区进行扩容
- VMware编辑虚拟机硬件,扩容硬盘,做快照
- echo 1 >/sys/block/sda/device/rescan
- parted /dev/sda,resizepart LVM分区
- pvresize /dev/sda3,扩充pv,sda3是LVM的分区
- pvs,确认pv已扩容
- lvextend -l +100%FREE /dev/system/root,扩充lv,/dev/system/root是lv的路径,也可能是/dev/mapper/VolGroup-lv_root
- vgs确认容量已扩容
- 对于XFS:xfs_growfs /dev/mapper/system-root
- 对于EXT4:resize2fs /dev/mapper/system-root