engine/rados: Add option to skip object creation

[fio.git] / HOWTO

diff --git a/HOWTO b/HOWTO
index b6d1b58a3af46147091fb1a3828362fff10b0e0a..cb6e559709e67389ea8650339b426b97e12e2c81 100644 (file)
--- a/HOWTO
+++ b/HOWTO
@@ -2294,6 +2294,12 @@ with the caveat that when used on the command line, they must come after the
         Poll store instead of waiting for completion. Usually this provides better
         throughput at cost of higher(up to 100%) CPU utilization.
 
+.. option:: touch_objects=bool : [rados]
+
+        During initialization, touch (create if do not exist) all objects (files).
+        Touching all objects affects ceph caches and likely impacts test results.
+        Enabled by default.
+
 .. option:: skip_bad=bool : [mtd]
 
        Skip operations against known bad blocks.