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Linux 自动分区、格式化、挂载脚本详解

时间：2021-12-14 16:43     来源/作者：Linux教程网

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：

Linux 自动分区、格式化、挂载脚本详解

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

感谢阅读，希望能帮助到大家，谢谢大家对本站的支持！

标签：
Linux 挂载 格式化 自动分区 

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