abuse

To abuse qemu and disks

# at 8 disks per scsi controller, we run out of pci slots after disk 195...
qrun -v -s 512G \
	$(i=0; while [ i -lt 196 ]; do echo -n "-i d$i "; let i=i+1; done) \
	-o controllertype=lsi53c895a \
	-o console=com0 -p /home/todd/copy/snap/i386_pxe_sercon

# the following will cause the host to hang out of memory allocation etc 
qrun -v -s 8192T $(i=0; while [ i -lt 61 ]; do echo -n "-i d$i "; let i=i+1; done) -o console=com0 -p /home/todd/copy/snap/i386_pxe_sercon

in the guest:

fdisk -yi wd0
echo "a a\n\n512m\n\nw\nq\n" | disklabel -E wd0
newfs -O2 /dev/rwd0a
mount /dev/wd0a /mnt
mkdir /mnt/dev
cd /mnt/dev
ln -s /dev/MAKEDEV
i=0 devs=128
while [ i -lt $((devs+1)) ]; do
	[ -c rsd${i}c ] || sh ./MAKEDEV sd$i
	fdisk -yi /mnt/dev/rsd${i}c
	echo "d *\nb\n\n*\na a\n\n\nRAID\nw\nq\n" | disklabel -E /mnt/dev/rsd${i}c
	let i=i+1
done
eval bioctl -c 0 -l $(i=0
	while [ i -lt $devs ]; do
		[ i -gt 0 ] && echo -n ","
		echo -n "/mnt/dev/sd${i}a"
		let i=i+1
	done) softraid0