docs: small HOWTO fixes

[fio.git] / HOWTO

diff --git a/HOWTO b/HOWTO
index 812440648815d97af8f89b40a20efc35695b967a..1c9b2c1020f7e7d53b43926fcb3c3369a1db07f8 100644 (file)
--- a/HOWTO
+++ b/HOWTO
@@ -93,6 +93,12 @@ Command line options
                        Dump info related to I/O rate switching.
        *compress*
                        Dump info related to log compress/decompress.
+       *steadystate*
+                       Dump info related to steadystate detection.
+       *helperthread*
+                       Dump info related to the helper thread.
+       *zbd*
+                       Dump info related to support for zoned block devices.
        *?* or *help*
                        Show available debug options.
 
@@ -1998,6 +2004,8 @@ I/O engine
                        requests for IME. FIO will then decide when to commit these requests.
                **libiscsi**
                        Read and write iscsi lun with libiscsi.
+               **nbd**
+                       Read and write a Network Block Device (NBD).
 
 I/O engine specific parameters
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -2299,6 +2307,15 @@ with the caveat that when used on the command line, they must come after the
        turns on verbose logging from libcurl, 2 additionally enables
        HTTP IO tracing. Default is **0**
 
+.. option:: uri=str : [nbd]
+
+       Specify the NBD URI of the server to test.  The string
+       is a standard NBD URI
+       (see https://github.com/NetworkBlockDevice/nbd/tree/master/doc).
+       Example URIs: nbd://localhost:10809
+       nbd+unix:///?socket=/tmp/socket
+       nbds://tlshost/exportname
+
 I/O depth
 ~~~~~~~~~
 
@@ -2377,7 +2394,7 @@ I/O depth
        this option can reduce both performance and the :option:`iodepth` achieved.
 
        This option only applies to I/Os issued for a single job except when it is
-       enabled along with :option:`io_submit_mode`=offload. In offload mode, fio
+       enabled along with :option:`io_submit_mode`\=offload. In offload mode, fio
        will check for overlap among all I/Os submitted by offload jobs with :option:`serialize_overlap`
        enabled.