.TP
.B libiscsi
Read and write iscsi lun with libiscsi.
+.TP
+.B nbd
+Synchronous read and write a Network Block Device (NBD).
.SS "I/O engine specific parameters"
In addition, there are some parameters which are only valid when a specific
\fBioengine\fR is in use. These are used identically to normal parameters,
generate 8k of data for each command butonly the first 512 bytes will
be used and transferred to the device. The writefua option is ignored
with this selection.
+.RE
+.RE
+.TP
+.BI (nbd)uri \fR=\fPstr
+Specify the NBD URI of the server to test.
+The string is a standard NBD URI (see
+\fIhttps://github.com/NetworkBlockDevice/nbd/tree/master/doc\fR).
+Example URIs:
+.RS
+.RS
+.TP
+\fInbd://localhost:10809\fR
+.TP
+\fInbd+unix:///?socket=/tmp/socket\fR
+.TP
+\fInbds://tlshost/exportname\fR
.SS "I/O depth"
.TP