RDMA IO engine

[fio.git] / HOWTO

diff --git a/HOWTO b/HOWTO
index 85704efc257108362640daaa0c5f54c641f34106..5e9b390bcf3902ce8f3d4400e102f49ace9f2329 100644 (file)
--- a/HOWTO
+++ b/HOWTO
@@ -568,6 +568,11 @@ ioengine=str       Defines how the job issues io to the file. The following
 
                                for more info on GUASI.
 
+                       rdma    The RDMA I/O engine  supports  both  RDMA
+                               memory semantic(RDMA_WRITE/RDMA_READ) and
+                               channel semantic(Send/Recv) in InfiniBand, RoCE
+                               and iWarp environment.
+
                        external Prefix to specify loading an external
                                IO engine object file. Append the engine
                                filename, eg ioengine=external:/tmp/foo.o