[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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