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Warn users about non NetBSD mbr.

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New boot doesn't work with old mbr, when there are multiple MINIX
partitions. Warn user about it and suggest to install new mbr.
This commit is contained in:
Evgeniy Ivanov 2012-02-07 22:52:36 +04:00 committed by Ben Gras
parent 6f88dc8713
commit 61a29c4291
1 changed files with 24 additions and 0 deletions
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24
commands/setup/setup.sh
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@ -466,6 +466,30 @@ if [ "$ok" != Y -a "$ok" != y -a "$ok" != "" ]
then
usenewboot=0
bootsectors=1
else
# check for potential problems with old mbr.
# space for bootxx has been checked earlier.
minix_primaries=`echo -n "" | fdisk /dev/$primary | grep "MINIX" | wc -l`
if [ "$minix_primaries" -gt 1 ]
then
# old mbr + bootxx will not work with several partitions of
# the same type.
disk=`echo -n "/dev/$primary" | sed 's/p[0-3]//'`
dd if=/usr/mdec/mbr of=temp_mbr_netbsd bs=1 count=440 2>/dev/null
dd if="$disk" bs=1 count=440 | cmp - temp_mbr_netbsd >/dev/null
if [ "$?" -ne 0 ]
then
echo "Warning: you have MBR which doesn't support multiple MINIX 3 partitions!"
echo "You will be able to boot from the first one only!"
echo -n "Do you want to install new MBR into $disk? [Y] "
read ok
if [ "$ok" = Y -o "$ok" = y -o "$ok" = "" ]
then
installboot_nbsd -m "$disk" /usr/mdec/mbr >/dev/null
fi
fi
rm temp_mbr_netbsd
fi
fi
echo "