engines/dfs: add DAOS File System (dfs) engine

[fio.git] / HOWTO

diff --git a/HOWTO b/HOWTO
index 1e5ebd5df9188cf606adb4b1b2733b49dc9348cc..041b91fa828a239612ca840c560932cfbc58625c 100644 (file)
--- a/HOWTO
+++ b/HOWTO
@@ -2067,6 +2067,9 @@ I/O engine
                        unless :option:`verify` is set or :option:`cuda_io` is `posix`.
                        :option:`iomem` must not be `cudamalloc`. This ioengine defines
                        engine specific options.
+               **dfs**
+                       I/O engine supporting asynchronous read and write operations to the
+                       DAOS File System (DFS) via libdfs.
 
 I/O engine specific parameters
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -2452,6 +2455,24 @@ with the caveat that when used on the command line, they must come after the
                GPU to RAM before a write and copied from RAM to GPU after a
                read. :option:`verify` does not affect use of cudaMemcpy.
 
+.. option:: pool=str : [dfs]
+
+       Specify the UUID of the DAOS pool to connect to.
+
+.. option:: cont=str : [dfs]
+
+       Specify the UUID of the DAOS container to open.
+
+.. option:: chunk_size=int : [dfs]
+
+       Specificy a different chunk size (in bytes) for the dfs file.
+       Use DAOS container's chunk size by default.
+
+.. option:: object_class=str : [dfs]
+
+       Specificy a different object class for the dfs file.
+       Use DAOS container's object class by default.
+
 I/O depth
 ~~~~~~~~~