cgi/raid/create_raid.sh

   1 #!/bin/sh
   2
   3 source lib.sh
   4 ERR=" 2>&1 || exit"
   5
   6 all_disks="$F_devs_1 $F_devs_2 $F_devs_3 $F_devs_4 $F_devs_5 $F_devs_6 $F_devs_7 $F_devs_8 $F_devs_9 $F_devs_10 $F_devs_11 $F_devs_12 $F_devs_13 $F_devs_14 $F_devs_15 "
   7
   8 echo -e "all: $all_disks<br>"
   9 echo -e "hotspare: $F_hot_spare<br>"
  10 echo -e "Raid Method: $F_raid_method<br>"
  11
  12 if [ "$F_raid_method" = "no" ]; then
  13                 h_error "Error: No Raid Type Selected.";
  14 elif [ "$all_disks" = "" ]; then
  15                 h_error "Error: No Disks Selected.";
  16 fi
  17
  18 disk_nu=$(echo $all_disks | wc -w)
  19 echo -e "Disks: $all_disks<br>"
  20 echo "disk number: $disk_nu<br>"
  21
  22
  23 ####################################################
  24 #                                Some check with the parameters !                                #
  25 ####################################################
  26
  27 m=$F_raid_method
  28 if [ "$m" = "raid0" -a $disk_nu -lt 2 ] || [ "$m" = "raid1" -a $disk_nu -lt 2 ]; then
  29         h_error "Error: $m need 2 disk at lease";
  30 elif [ "$m" = "raid5" -a $disk_nu -lt 3 ]; then
  31         h_error "Error: $m need 3 disk at least";
  32 elif [ "$m" = "raid6" -a $disk_nu -lt 4 ] || [ "$m" = "raid10" -a $disk_nu -lt 4 ]; then
  33         h_error "Error: $m need 4 disk at least";
  34 fi
  35
  36 exit
  37 # check whether spare disk is used.
  38 for h in `echo -e $F_hot_spare`
  39 do
  40                 if echo -e $all_disks | grep -q $h; then
  41                                 h_error -e $F_hot_spare" exist in disks!";
  42                 fi
  43 done
  44
  45 #check whether DISK is mounted now.
  46 for d in `echo -e $all_disks`
  47 do
  48                                 if df | grep -q $d; then
  49                                                                 mdisk=`df | grep $d | awk '{print $NF}'`
  50                                                                 h_error "$d is mounted on \"$mdisk\""
  51                                 elif grep -q $d /proc/swaps; then
  52                                                                 h_error "$d is mounted on Swap"
  53                                 fi
  54 done
  55
  56 exit
  57 all_disks="/dev/sdb"
  58 ####################################################
  59 #                                                Create Raid                                                                                                     #
  60 ####################################################
  61
  62 echo -e "<br>正在创建阵列...<br><font color=red>
  63                 sudo /sbin/mdadm -C /dev/md0 -R -l`echo $m|sed 's/raid//'`
  64                 `echo -e $all_disks|sed 's/ /2 /g'|sed 's/$/2/g'` `[ "$F_hot_spare" = "no" ] || echo "-x $F_hot_spare"` >/tmp/xxxx.err 2>&1 ||
  65                 h_error $(cat /tmp/xxxx.err; rm /tmp/xxxx.err)
  66                 <br>"
  67
  68                 echo -e '
  69 eval echo "正在格式化阵列为 XFS 文件系统...<br>"
  70 eval eval sudo /sbin/mkfs.xfs -f /dev/md0  $E
  71 eval echo "正在把挂栽阵列到系统上...<br>"
  72 eval sudo /bin/mkdir /tmp/tempdir $E
  73 eval sudo /bin/mount /dev/md0 /tmp/tempdir $E
  74 eval sudo /bin/cp -rdf --preserve /home/* /tmp/tempdir $E
  75 eval sudo /bin/umount /dev/md0 $E
  76 eval sudo /bin/mount /dev/md0 /home $E
  77 #FIXME: found a simple way to operate with /etc/fstab
  78 if ! grep -q "/dev/md0" /etc/fstab; then
  79                                 sudo /bin/cat /etc/fstab > /tmp/fstab
  80                                 sudo /bin/echo "/dev/md0 /home xfs defaults 0 0" 2>&1 >> /tmp/fstab
  81                                 sudo /bin/mv /tmp/fstab /etc/fstab
  82 fi
  83                 <br>'
  84
  85 # Formmat each disk to two partitions:
  86 #               1. linux-swap,256MB 2. xfs, all left size.
  87 #for d in `echo -e $all_disks`
  88 #do
  89 #                               echo "正在为硬盘[ $d ]分区 ...<br>"
  90 #                               disksize=`sudo parted $d p | grep '^Disk /dev/.*' | cut -f 3 -d" "`
  91 #                               sudo parted -s $d mklabel msdos 2>&1 || exit
  92 #                               sudo parted -s $d mkpart primary linux-swap 0 512 2>&1 || exit
  93 #                               sudo parted -s $d mkpart primary xfs    512 $disksize 2>&1 || exit
  94 #                               d1=$d"1"
  95 #                               sleep 2 # wait for parted completed.
  96 #                               sudo /sbin/mkswap -L swap $d1 2>&1 >/dev/null || exit
  97 #                               sudo swapon $d1  2>&1
  98 #                               #FIXME: found a simple way to operate with /etc/fstab
  99 #                               if ! grep -q "$d1" /etc/fstab; then
 100 #                                                               sudo cat /etc/fstab > /tmp/fstab
 101 #                                                               sudo echo "$d1 swap swap defaults 0 0" 2>&1 >> /tmp/fstab
 102 #                                                               sudo mv /tmp/fstab /etc/fstab
 103 #                               fi
 104 #done
 105
 106 echo "Raid $F_raid_method 创建成功！"