Add support for redirection replay of blktrace traces to another device

[fio.git] / fio.1

diff --git a/fio.1 b/fio.1
index 1c0dc795c245120b6e6f3f9b681553db80753477..192e6a8cc97e00c367aeb480d708cb72a7e29bee 100644 (file)
--- a/fio.1
+++ b/fio.1
@@ -746,6 +746,12 @@ attempts to respect timing information between I/Os.  Enabling
 \fBreplay_no_stall\fR causes I/Os to be replayed as fast as possible while
 still respecting ordering.
 .TP
+.BI replay_redirect \fR=\fPstr
+While replaying I/O patterns using \fBread_iolog\fR the default behavior
+is to replay the IOPS onto the major/minor device that each IOP was recorded
+from.  Setting \fBreplay_redirect\fR causes all IOPS to be replayed onto the
+single specified device regardless of the device it was recorded from.
+.TP
 .B write_bw_log \fR=\fPstr
 If given, write a bandwidth log of the jobs in this job file. Can be used to
 store data of the bandwidth of the jobs in their lifetime. The included