Linux 自动分区、格式化、挂载脚本详解

游文鸿

自动分区、格式化、挂载脚本

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

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

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#!/bin/bash # author: yeho <lj2007331 at gmail.com> # 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/oneinstack export path=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin clear printf " ####################################################################### #    oneinstack for centos/radhat 5+ debian 6+ and ubuntu 12+   # #               auto fdisk               # #    for more information please visit http://oneinstack.com    # ####################################################################### " echo=echo for cmd in echo /bin/echo; do     $cmd >/dev/null 2>&1 || continue     if ! $cmd -e "" | grep -qe '^-e'; then         echo=$cmd         break     fi done csi=$($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=/data fstab_file=/etc/fstab count=0 tmp1=/tmp/.tmp1 tmp2=/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   exit else   echo   echo "${cmsg}step 1.no lock file, begin to create lock file and continue${cend}"   echo   touch $lockfile fi # check disk partition check_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${cend}"; exit 0; }   fi } # check os check_os() {   os_release=$(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 ext4 modify_env() {   modprobe ext4   yum -y install e4fsprogs } # fdisk ,formating and create the file system fdisk_fun() { fdisk -s 56 $1 << eof n p 1 wq eof sleep 5 mkfs.ext4 ${1}1 } # make directory make_dir() {   echo "${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 device main() {   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 < $lockfile   mount -a   echo } # start script echo "${cmsg}step 2.begin to check free disk${cend}" #service mysqld stop #mv /data /root check_os check_disk main df -h #mv /root/data/* /data #service mysqld start rm -rf $lockfile $tmp1 $tmp2

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