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|
#!/bin/bash
# Test vdi repair functionality
. ./common
for i in `seq 0 2`; do
_start_sheep $i
done
_wait_for_sheep 3
_cluster_format
$DOG vdi create test 12M
_vdi_list
echo "original data" | $DOG vdi write test
$DOG cluster shutdown
# single object lost
rm $STORE/0/obj/007c2b2500000000
for i in `seq 0 2`; do
_start_sheep $i
done
_wait_for_sheep 3
$DOG vdi check test
$DOG vdi read test 0 14
$DOG cluster shutdown
# single broken object
_random | dd of=$STORE/1/obj/007c2b2500000000 bs=4096 count=1024 &> /dev/null
for i in `seq 0 2`; do
_start_sheep $i
done
_wait_for_sheep 3
$DOG vdi check test
$DOG vdi read test 0 14
$DOG cluster shutdown
# two object lost
rm $STORE/0/obj/007c2b2500000000
rm $STORE/1/obj/007c2b2500000000
for i in `seq 0 2`; do
_start_sheep $i
done
_wait_for_sheep 3
$DOG vdi check test
$DOG vdi read test 0 14
$DOG cluster shutdown
# single object lost, single broken object. no majority
rm $STORE/0/obj/007c2b2500000000
_random | dd of=$STORE/1/obj/007c2b2500000000 bs=4096 count=1024 &> /dev/null
for i in `seq 0 2`; do
_start_sheep $i
done
_wait_for_sheep 3
$DOG vdi check test
$DOG cluster shutdown
read_vdi_from_nodes()
{
for i in `seq 0 $(($1-1))`; do
$DOG vdi read test 0 12 -p $((7000+$i))
echo ""
done
}
check_vdi_consistance()
{
read_vdi_from_nodes $1
$DOG vdi check test
read_vdi_from_nodes $1
}
echo ""
for i in 0 1 2; do
_start_sheep $i
done
_wait_for_sheep 3
echo "yes" | $DOG cluster format -c 3
$DOG vdi create test 4M
echo "hello, copy0" | $DOG vdi write test 0 12
cp $STORE/0/obj/007c2b2500000000 $STORE/copy0
echo "hello, copy1" | $DOG vdi write test 0 12
cp $STORE/1/obj/007c2b2500000000 $STORE/copy1
echo "hello, copy2" | $DOG vdi write test 0 12
# three copies, two broken objects, no majority
cp $STORE/copy0 $STORE/0/obj/007c2b2500000000
cp $STORE/copy1 $STORE/1/obj/007c2b2500000000
check_vdi_consistance 3
for i in 3 4; do
_start_sheep $i
done
_wait_for_sheep 5
echo "yes" | $DOG cluster format -c 5
$DOG vdi create test 4M
echo "hello, copy0" | $DOG vdi write test 0 12
cp $STORE/0/obj/007c2b2500000000 $STORE/copy0
echo "hello, copy1" | $DOG vdi write test 0 12
cp $STORE/1/obj/007c2b2500000000 $STORE/copy1
# five copies, two broken objects(AABBB)
cp $STORE/copy0 $STORE/0/obj/007c2b2500000000
cp $STORE/copy0 $STORE/1/obj/007c2b2500000000
check_vdi_consistance 5
# five copies, two broken objects(BABAB)
cp $STORE/copy0 $STORE/1/obj/007c2b2500000000
cp $STORE/copy0 $STORE/3/obj/007c2b2500000000
check_vdi_consistance 5
$DOG cluster shutdown
|
