VMware扩展虚拟机磁盘大小一键命令

1.关闭客户机设置扩展磁盘2.复制下面这一整段命令粘贴到终端里回车执行。它会自动创建脚本、赋予权限并运行cat /root/expand_disk.sh EOF #!/bin/bash DISK/dev/sda VG_NAMEcentos LV_PATH/dev/mapper/centos-root echo [0/5] 清理 YUM 缓存 (释放空间)... yum clean all echo [1/5] 刷新磁盘识别... partprobe $DISK || echo partprobe 未找到建议稍后重启系统 NEXT_PART$(lsblk -ln -o NAME,TYPE $DISK | awk /part$/ {print $1} | grep -o [0-9]*$ | sort -n | tail -n 1) NEW_PART_NUM$((NEXT_PART 1)) NEW_PART${DISK}${NEW_PART_NUM} echo 检测到新分区将为: $NEW_PART echo [2/5] 创建 LVM 物理分区... echo -e n\np\n${NEW_PART_NUM}\n\n\nt\n${NEW_PART_NUM}\n8e\nw | fdisk $DISK /dev/null partprobe $DISK echo [3/5] 创建物理卷 (PV)... pvcreate $NEW_PART echo [4/5] 扩展卷组 (VG) 并扩展逻辑卷 (LV)... vgextend $VG_NAME $NEW_PART lvextend -l 100%FREE $LV_PATH echo [5/5] 刷新文件系统... FS_TYPE$(df -T / | awk NR2 {print $2}) if [ $FS_TYPE xfs ]; then xfs_growfs / elif [ $FS_TYPE ext4 ]; then resize2fs $LV_PATH else echo 不支持的文件系统类型: $FS_TYPE exit 1 fi echo echo 扩容完成当前根目录空间如下 df -h / echo EOF chmod x /root/expand_disk.sh /root/expand_disk.sh