Add verify_dump option to control whether to dump bad/good blocks or not
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
diff --git a/HOWTO b/HOWTO
index 1915bd6..68e17e9 100644
--- a/HOWTO
+++ b/HOWTO
@@ -926,6 +926,11 @@
option is set, fio will exit the job on the first observed
failure.
+verify_dump=bool If set, dump the contents of both the original data
+ block and the data block we read off disk to files. This
+ allows later analysis to inspect just what kind of data
+ corruption occurred. On by default.
+
verify_async=int Fio will normally verify IO inline from the submitting
thread. This option takes an integer describing how many
async offload threads to create for IO verification instead,