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#!/bin/bash
test_info()
{
cat <<EOF
The recovery process based on RSN for persistent databases is defective.
For persistent databases sequence number based recovery method should be
used. This test checks for the defect in the RSN based recovery method
for persistent databases and confirms that the same issue is not observed
when using sequence number based recovery method.
Steps:
1. Create a persistent database
2. Add a record and update it few times.
3. Delete the record
4. Turn off one of the nodes
5. Add a record with same key.
6. Turn on the stopped node
Expected results:
* Check that the record is deleted (RSN based recovery) and record is
present (sequence number based recovery)
EOF
}
. "${TEST_SCRIPTS_DIR}/integration.bash"
ctdb_test_init "$@"
set -e
cluster_is_healthy
# Reset configuration
ctdb_restart_when_done
do_test()
{
# Wipe Test database
echo "wipe test database"
try_command_on_node 0 $CTDB wipedb $TESTDB
# Add a record key=test1 data=value1
# and update values
for value in value1 value2 value3 value4 value5 ; do
echo "store key(test1) data($value)"
try_command_on_node 0 "(echo -ne $value > /tmp/test_data)"
try_command_on_node 0 $CTDB pstore $TESTDB test1 /tmp/test_data
done
# Delete record
echo "delete key(test1)"
try_command_on_node 0 $CTDB pdelete $TESTDB test1
# Stop a node
echo "stop node 1"
try_command_on_node 1 $CTDB stop
wait_until_node_has_status 1 stopped
# Add a record key=test1 data=value2
echo "store key(test1) data(newvalue1)"
try_command_on_node 0 "(echo -ne newvalue1 > /tmp/test_data)"
try_command_on_node 0 $CTDB pstore $TESTDB test1 /tmp/test_data
# Continue node
echo "contine node 1"
try_command_on_node 1 $CTDB continue
wait_until_node_has_status 1 notstopped
}
#
# Main test
#
TESTDB="persistent_test.tdb"
status=0
# Create a temporary persistent database to test with
echo "create persistent test database $TESTDB"
try_command_on_node 0 $CTDB attach $TESTDB persistent
echo "set RecoverPDBBySeqNum to 0"
try_command_on_node all $CTDB setvar RecoverPDBBySeqNum 0
do_test
if try_command_on_node 0 $CTDB pfetch $TESTDB test1 ; then
echo "GOOD: Record was not deleted (recovery by RSN worked)"
else
echo "BAD: Record was deleted"
status=1
fi
# Set RecoverPDBBySeqNum = 1
echo "set RecoverPDBBySeqNum to 1"
try_command_on_node all $CTDB setvar RecoverPDBBySeqNum 1
do_test
if try_command_on_node 0 $CTDB pfetch $TESTDB test1 ; then
echo "GOOD: Record was not deleted (recovery by sequence number worked)"
else
echo "BAD: Record was deleted"
status=1
fi
exit $status
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