Add verify_pattern option
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/HOWTO b/HOWTO
index a07cf88..58e1281 100644
--- a/HOWTO
+++ b/HOWTO
@@ -612,6 +612,14 @@
than the blocksize. It will be written for chunks the
size of header_interval. blocksize should divide this
evenly.
+
+verify_pattern=int If set, fio will fill the io buffers with this
+ pattern. Fio defaults to filling with totally random
+ bytes, but sometimes it's interesting to fill with a known
+ pattern for io verification purposes. Depending on the
+ width of the pattern, fio will fill 1/2/3/4 bytes of the
+ buffer at the time. The verify_pattern cannot be larger than
+ a 32-bit quantity.
stonewall Wait for preceeding jobs in the job file to exit, before
starting this one. Can be used to insert serialization