功能：自动检测是否有尚未分区的数据盘，格式化新的数据盘并自动挂载

解决了什么问题：一键式检测是否有尚未分区的数据盘，并能对其格式化和自动挂载，省去了复杂的命令和步骤

执行方法：以root身份执行命令

wget http://mirrors.linuxeye.com/scripts/auto_fdisk.shchmod +x auto_fdisk.sh./auto_fdisk.sh

结果：出现如下即自动分区、格式化、挂载成功：

脚本内容如下：

#!/bin/bash# Author:  yeho 
     
      # BLOG:  https://blog.linuxeye.com## Notes: OneinStack for CentOS/RadHat 5+ Debian 6+ and Ubuntu 12+## Project home page:#       http://oneinstack.com#       https://github.com/lj2007331/oneinstackexport PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/binclearprintf "########################################################################       OneinStack for CentOS/RadHat 5+ Debian 6+ and Ubuntu 12+      ##                             Auto fdisk                              ##       For more information please visit http://oneinstack.com       ########################################################################"echo=echofor cmd in echo /bin/echo; do        $cmd >/dev/null 2>&1 || continue        if ! $cmd -e "" | grep -qE '^-e'; then                echo=$cmd                break        fidoneCSI=$($echo -e "\033[")CEND="${CSI}0m"CDGREEN="${CSI}32m"CRED="${CSI}1;31m"CGREEN="${CSI}1;32m"CYELLOW="${CSI}1;33m"CBLUE="${CSI}1;34m"CMAGENTA="${CSI}1;35m"CCYAN="${CSI}1;36m"CSUCCESS="$CDGREEN"CFAILURE="$CRED"CQUESTION="$CMAGENTA"CWARNING="$CYELLOW"CMSG="$CCYAN"# Check if user is root[ $(id -u) != "0" ] && { echo "${CFAILURE}Error: You must be root to run this script${CEND}"; exit 1; } MOUNT_DIR=/dataFSTAB_FILE=/etc/fstabcount=0TMP1=/tmp/.tmp1TMP2=/tmp/.tmp2> $TMP1> $TMP2# check lock file, one time only let the script run one time LOCKfile=/tmp/.$(basename $0)if [ -f "$LOCKfile" ];then    echo    echo "${CWARNING}The script is already exist, please next time to run this script${CEND}"    echo    exitelse    echo    echo "${CMSG}Step 1.No lock file, begin to create lock file and continue${CEND}"    echo    touch $LOCKfilefi# check disk partitioncheck_disk() {    > $LOCKfile    for i in `fdisk -l | grep "Disk" | grep "/dev" | awk '{print $2}' | awk -F: '{print $1}' | grep "vd"`    do        DEVICE_COUNT=$(fdisk -l $i | grep "$i" | awk '{print $2}' | awk -F: '{print $1}' | wc -l)        NEW_MOUNT=$(df -h)        if [ $DEVICE_COUNT -lt 2 ];then            if [ -n "$(echo $NEW_MOUNT | grep -w "$i")" -o "$(grep -v '^#' $FSTAB_FILE | grep -v ^$ | awk '{print $1,$2,$3}' | grep -w "$i" | awk '{print $2}')" == '/' -o "$(grep -v '^#' $FSTAB_FILE | grep -v ^$ | awk '{print $1,$2,$3}' | grep -w "$i" | awk '{print $3}')" == 'swap' ];then                echo "${CWARNING}The $i disk is mounted${CEND}"            else                echo $i >> $LOCKfile                echo "You have a free disk, Now will fdisk it and mount it"            fi        fi    done    DISK_LIST=$(cat $LOCKfile)    if [ "X$DISK_LIST" == "X" ];then        echo        echo "${CWARNING}No free disk need to be fdisk. Exit script${CEND}"        echo        rm -rf $LOCKfile        exit 0    else        echo "${CMSG}This system have free disk :${CEND}"        for i in `echo $DISK_LIST`        do            echo "$i"            count=$((count+1))        done        [ $count -gt 1 ] && { echo "${CWARNING}This system has at least two free disk, You must manually mount it${CEND}"; exit 0; }     fi}# check oscheck_os() {    os_release=$(grep "Aliyun Linux release" /etc/issue 2>/dev/null)    os_release_2=$(grep "Aliyun Linux release" /etc/aliyun-release 2>/dev/null)    if [ "$os_release" ] && [ "$os_release_2" ];then        if echo "$os_release" | grep "release 5" >/dev/null 2>&1;then            os_release=aliyun5            modify_env        fi    fi}# install ext4modify_env() {    modprobe ext4    yum -y install e4fsprogs}# fdisk ,formating and create the file systemfdisk_fun() {fdisk -S 56 $1 << EOFnp1wqEOFsleep 5mkfs.ext4 ${1}1}# make directorymake_dir() {    echo "${CMSG}Step 4.Begin to make directory${CEND}"    [ -d "$MOUNT_DIR" ] && mv ${MOUNT_DIR}{,_bk}     mkdir -p $MOUNT_DIR    echo "$MOUNT_DIR" >> $TMP1}# config /etc/fstab and mount devicemain() {    for i in `echo $DISK_LIST`    do        echo        echo "${CMSG}Step 3.Begin to fdisk free disk${CEND}"        [ -n "`df -h | grep ${i}1`" ] && { echo "${CFAILURE}The ${i}1 already mount${CEND}"; echo; exit 0; }        fdisk_fun $i > /dev/null 2>&1        echo        echo "${i}1" >> $TMP2    done    make_dir    > $LOCKfile    paste $TMP2 $TMP1 > $LOCKfile    echo    echo "${CMSG}Step 5.Begin to write configuration to /etc/fstab and mount device${CEND}"    while read a b    do        [ -z "`grep ^${a} $FSTAB_FILE`" -a -z "`grep ${b} $FSTAB_FILE`" ] && echo "${a}	$b	ext4	defaults	0 0" >> $FSTAB_FILE    done < $LOCKfile    mount -a    echo}# start scriptecho "${CMSG}Step 2.Begin to check free disk${CEND}"#service mysqld stop#mv /data /rootcheck_oscheck_diskmaindf -h#mv /root/data/* /data#service mysqld startrm -rf $LOCKfile $TMP1 $TMP2
     

 原文：https://blog.linuxeye.com/433.html