Make it possible to limit the number of open zones

[fio.git] / HOWTO

diff --git a/HOWTO b/HOWTO
index b7e18529749b16fc607db18fe7f250668eafe050..25ce5c49782193d3fba1a597a21b0d1feb7b1dc5 100644 (file)
--- a/HOWTO
+++ b/HOWTO
@@ -1017,6 +1017,14 @@ Target file/device
        bandwidth and IOPS numbers fio only reads beyond the write pointer if
        explicitly told to do so. Default: false.
 
+.. option:: max_open_zones=int
+
+       When running a random write test across an entire drive many more
+       zones will be open than in a typical application workload. Hence this
+       command line option that allows to limit the number of open zones. The
+       number of open zones is defined as the number of zones to which write
+       commands are issued.
+
 
 I/O type
 ~~~~~~~~