Revert "Remove verify_pattern option, replace with verify=pattern:x"

[fio.git] / HOWTO

diff --git a/HOWTO b/HOWTO
index 7b717f7739664f44393d67b7b6521e8ca0404eae..ca095a322895be3065081db5bd600fb12609f3e7 100644 (file)
--- a/HOWTO
+++ b/HOWTO
@@ -629,15 +629,6 @@ verify=str If writing to a file, fio can verify the file contents
                                (timestamp, block number etc.). The block
                                number is verified.
 
-                       pattern Fill the IO buffers with a specific pattern,
-                               that we can use to verify. Depending on the
-                               width of the pattern, fio will fill 1/2/3/4
-                               bytes of the buffer at the time. The pattern
-                               cannot be larger than a 32-bit quantity. The
-                               given pattern is given as a postfix to this
-                               option, ala: verify=pattern:0x5a. It accepts
-                               both hex and dec values.
-
                        null    Only pretend to verify. Useful for testing
                                internals with ioengine=null, not for much
                                else.
@@ -663,6 +654,14 @@ verify_interval=siint      Write the verification header at a finer granularity
                        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.
+
 verify_fatal=bool      Normally fio will keep checking the entire contents
                before quitting on a block verification failure. If this
                option is set, fio will exit the job on the first observed