[PATCH] Add do_verify option

[fio.git] / HOWTO

diff --git a/HOWTO b/HOWTO
index 21ba96033c283d0742f9191cc76ef97cf969277d..cdfe80aa9fc4f1908ecf504a9ba5dae1b7a11071 100644 (file)
--- a/HOWTO
+++ b/HOWTO
@@ -569,6 +569,9 @@ loops=int   Run the specified number of iterations of this job. Used
                to repeat the same workload a given number of times. Defaults
                to 1.
 
+do_verify=int  Run the verify phase after a write phase. Only makes sense if
+               verify is set. Defaults to 1.
+
 verify=str     If writing to a file, fio can verify the file contents
                after each iteration of the job. The allowed values are:
 
@@ -592,6 +595,10 @@ verify=str If writing to a file, fio can verify the file contents
 
                        sha256  Use sha256 as the checksum function.
 
+                       meta    Write extra information about each io
+                               (timestamp, block number etc.). The block
+                               number is verified.
+
                        null    Only pretend to verify. Useful for testing
                                internals with ioengine=null, not for much
                                else.