X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=HOWTO;h=58e12819e7f5868f5adb12eac6e5949784266227;hp=a07cf8848923245891b9c76bc3778e5c460a6856;hb=90059d65bde4804e4da07401ad6902c1d956b592;hpb=6d16ecb6890ad4078437414b9a3b514e39a74bf1

diff --git a/HOWTO b/HOWTO
index a07cf884..58e12819 100644
--- a/HOWTO
+++ b/HOWTO
@@ -612,6 +612,14 @@ verify_interval=siint	Write the verification header at a finer granularity
 			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