diff --git a/test/functional/tests/fault_injection/test_fault_injection_standby.py b/test/functional/tests/fault_injection/test_fault_injection_standby.py index ca4348a..0f1a157 100644 --- a/test/functional/tests/fault_injection/test_fault_injection_standby.py +++ b/test/functional/tests/fault_injection/test_fault_injection_standby.py @@ -125,6 +125,67 @@ def test_load_corrupted(): md_dump.remove() +@pytest.mark.require_disk("cache", DiskTypeSet([DiskType.nand, DiskType.optane])) +@pytest.mark.require_disk("core", DiskTypeLowerThan("cache")) +def test_activate_corrupted_after_dump(): + """ + title: Activate cache instance on metadata corrupted after the detach + description: | + Initialize standby cache, populate it with metadata, detach cache, corrupt metadata + on the cache-to-be device and try to activate. + pass_criteria: + - Kernel panic doesn't occur + """ + with TestRun.step("Prepare devices for the cache and core."): + cache_device = TestRun.disks["cache"] + cache_device.create_partitions([Size(200, Unit.MebiByte)]) + cache_device = cache_device.partitions[0] + core_device = TestRun.disks["core"] + core_device.create_partitions([Size(500, Unit.MebiByte)]) + core_device = core_device.partitions[0] + + with TestRun.step("Prepare metadata dump"): + cache_id = 1 + cls = CacheLineSize.LINE_32KiB + md_dump = prepare_md_dump(cache_device, core_device, cls, cache_id) + + for offset in get_offsets_to_corrupt(md_dump.size, block_size): + + with TestRun.step("Prepare standby instance"): + cache = casadm.standby_init( + cache_dev=cache_device, + cache_line_size=int(cls.value.value / Unit.KibiByte.value), + cache_id=cache_id, + force=True, + ) + + with TestRun.step(f"Populate the passive instance with valid metadata"): + Dd().input(md_dump.full_path).output(f"/dev/cas-cache-{cache_id}").run() + sync() + + with TestRun.step(f"Standby detach"): + cache.standby_detach() + + with TestRun.step(f"Corrupt {block_size} on the offset {offset*block_size}"): + corrupted_md = prepare_corrupted_md(md_dump, offset, block_size) + + with TestRun.step(f"Copy corrupted metadata to the passive instance"): + Dd().input(corrupted_md.full_path).output(cache_device.path).run() + sync() + + with TestRun.step("Try to activate cache instance"): + output = TestRun.executor.run( + standby_activate_cmd(cache_dev=cache_device.path, cache_id=str(cache_id)) + ) + + with TestRun.step("Per iteration cleanup"): + cache.stop() + corrupted_md.remove(force=True, ignore_errors=True) + + with TestRun.step("Test cleanup"): + md_dump.remove() + + def get_offsets_to_corrupt(md_size, bs, count=100): offsets = list(range(0, int(md_size.value), bs.value)) offsets = random.choices(offsets, k=min(len(offsets), count))