diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/qemu-iotests/124 | 57 | ||||
| -rw-r--r-- | tests/qemu-iotests/124.out | 4 |
2 files changed, 59 insertions, 2 deletions
diff --git a/tests/qemu-iotests/124 b/tests/qemu-iotests/124 index 5c3b434..95f6de5 100644 --- a/tests/qemu-iotests/124 +++ b/tests/qemu-iotests/124 @@ -240,6 +240,63 @@ class TestIncrementalBackup(iotests.QMPTestCase): self.check_backups() + def test_incremental_failure(self): + '''Test: Verify backups made after a failure are correct. + + Simulate a failure during an incremental backup block job, + emulate additional writes, then create another incremental backup + afterwards and verify that the backup created is correct. + ''' + + # Create a blkdebug interface to this img as 'drive1', + # but don't actually create a new image. + drive1 = self.add_node('drive1', self.drives[0]['fmt'], + path=self.drives[0]['file'], + backup=self.drives[0]['backup']) + result = self.vm.qmp('blockdev-add', options={ + 'id': drive1['id'], + 'driver': drive1['fmt'], + 'file': { + 'driver': 'blkdebug', + 'image': { + 'driver': 'file', + 'filename': drive1['file'] + }, + 'set-state': [{ + 'event': 'flush_to_disk', + 'state': 1, + 'new_state': 2 + }], + 'inject-error': [{ + 'event': 'read_aio', + 'errno': 5, + 'state': 2, + 'immediately': False, + 'once': True + }], + } + }) + self.assert_qmp(result, 'return', {}) + + self.create_anchor_backup(self.drives[0]) + self.add_bitmap('bitmap0', drive1) + # Note: at this point, during a normal execution, + # Assume that the VM resumes and begins issuing IO requests here. + + self.hmp_io_writes(drive1['id'], (('0xab', 0, 512), + ('0xfe', '16M', '256k'), + ('0x64', '32736k', '64k'))) + + result = self.create_incremental(validate=False) + self.assertFalse(result) + self.hmp_io_writes(drive1['id'], (('0x9a', 0, 512), + ('0x55', '8M', '352k'), + ('0x78', '15872k', '1M'))) + self.create_incremental() + self.vm.shutdown() + self.check_backups() + + def test_sync_dirty_bitmap_missing(self): self.assert_no_active_block_jobs() self.files.append(self.err_img) diff --git a/tests/qemu-iotests/124.out b/tests/qemu-iotests/124.out index 8d7e9967..89968f3 100644 --- a/tests/qemu-iotests/124.out +++ b/tests/qemu-iotests/124.out @@ -1,5 +1,5 @@ -... +.... ---------------------------------------------------------------------- -Ran 3 tests +Ran 4 tests OK |