[PATCH] Allow verification to be done at finer granularity

[fio.git] / HOWTO

diff --git a/HOWTO b/HOWTO
index b862d74acac192f239131a7a5dfb096b5e04c7cb..2797a58c3da2bbe6c240f039753ff52b0bb76265 100644 (file)
--- a/HOWTO
+++ b/HOWTO
@@ -602,6 +602,11 @@ verifysort=bool    If set, fio will sort written verify blocks when it deems
                can ignore this option unless doing huge amounts of really
                fast IO where the red-black tree sorting CPU time becomes
                significant.
                can ignore this option unless doing huge amounts of really
                fast IO where the red-black tree sorting CPU time becomes
                significant.

+
+header_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.

                
 stonewall      Wait for preceeding jobs in the job file to exit, before
                starting this one. Can be used to insert serialization
                
 stonewall      Wait for preceeding jobs in the job file to exit, before
                starting this one. Can be used to insert serialization