[dm-devel] [PATCH 15/29] multipath.conf.annotated: Document rr_min_io_rq
Hannes Reinecke
hare at suse.de
Mon Jul 15 13:00:16 UTC 2013
rr_min_io_rq wasn't documented in multipath.conf.annotated.
Signed-off-by: Hannes Reinecke <hare at suse.de>
---
multipath.conf.annotated | 18 ++++++++++++++++--
1 file changed, 16 insertions(+), 2 deletions(-)
diff --git a/multipath.conf.annotated b/multipath.conf.annotated
index 15ec468..7ed62de 100644
--- a/multipath.conf.annotated
+++ b/multipath.conf.annotated
@@ -128,10 +128,24 @@
# # name : rr_min_io
# # scope : multipath & multipathd
# # desc : the number of IO to route to a path before switching
-# # to the next in the same path group
+# # to the next in the same path group for the bio-based
+# # multipath implementation. This parameter is used for
+# # kernels version up to 2.6.31; newer kernel version
+# # use the parameter rr_min_io_rq
# # default : 1000
# #
-# rr_min_io 100
+# rr_min_io 1000
+#
+# #
+# # name : rr_min_io_rq
+# # scope : multipath & multipathd
+# # desc : the number of IO to route to a path before switching
+# # to the next in the same path group for the request-based
+# # multipath implementation. This parameter is used for
+# # kernels versions later than 2.6.31.
+# # default : 1
+# #
+# rr_min_io_rq 1
#
# #
# # name : flush_on_last_del
--
1.7.10.4
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