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pascal@4025
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1 #!/bin/sh
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pascal@4025
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2
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pascal@4025
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3 grub_part=0
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pascal@4025
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4 [ -n "$1" ] && case "$1" in
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pascal@4025
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5 [0-9]*) grub_part=$1;;
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pascal@4025
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6 *) cat 1>&2 <<EOT
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pascal@4025
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7 Usage: $0 [partition]
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pascal@4025
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8 Install grub on dmraid device. Default partition is 0.
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9 EOT
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10 exit 2;;
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11 esac
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12
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pascal@4025
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13 # Get raid parameters
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14 dev=/dev/mapper/$(dmraid -s 2> /dev/null | grep ^name | awk '{ print $3 }')
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pascal@20892
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15 if [ "$dev" = "/dev/mapper/" ]; then
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pascal@4025
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16 echo "No dmraid device found." 1>&2
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17 exit 1
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18 fi
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19
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pascal@4027
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20 # Ensure raid is active
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pascal@4027
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21 [ ! -e $dev ] && dmraid-start
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pascal@4027
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22
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pascal@4025
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23 geometry="$(fdisk -l $dev | grep heads | sed \
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24 's|\(.*\) heads, \(.*\) sectors/track, \(.*\) cylinders|\3 \1 \2|')"
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25
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pascal@4025
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26 # Grub bug workaround
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pascal@4025
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27 for i in ${dev}p* ; do
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28 n=${i#${dev}p}
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29 [ -e $i -a ! -e ${dev}$n ] && ln -s $(basename $dev)p$n ${dev}$n
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pascal@4025
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30 done
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31
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pascal@4025
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32 # Let's go
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33 grub --device-map=/dev/null --batch <<EOT
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34 device (hd0) $dev
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35 geometry (hd0) $geometry
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36 root (hd0,$grub_part)
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pascal@4025
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37 setup (hd0)
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pascal@4025
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38 quit
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39 EOT
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