Add softrandommap and --alloc-size options

[fio.git] / HOWTO

diff --git a/HOWTO b/HOWTO
index 3d9229338a11c9628f18d61a2a13e6cdc8b1c263..66ebebe8579dd5954e574bf016c31b5fbd0e5baf 100644 (file)
--- a/HOWTO
+++ b/HOWTO
@@ -482,6 +482,12 @@ norandommap        Normally fio will cover every block of the file when doing
                fio doesn't track potential block rewrites which may alter
                the calculated checksum for that block.
 
                fio doesn't track potential block rewrites which may alter
                the calculated checksum for that block.
 

+softrandommap  See norandommap. If fio runs with the random block map enabled
+               and it fails to allocate the map, if this option is set it
+               will continue without a random block map. As coverage will
+               not be as complete as with random maps, this option is
+               disabled by default.
+

 nice=int       Run the job with the given nice value. See man nice(2).
 
 prio=int       Set the io priority value of this job. Linux limits us to
 nice=int       Run the job with the given nice value. See man nice(2).
 
 prio=int       Set the io priority value of this job. Linux limits us to