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[dm-devel] [PATCH] multipath: update documentation



Add some missing options to the documentation.

Signed-off-by: Benjamin Marzinski <bmarzins redhat com>
---
 multipath/main.c           |    1 +
 multipath/multipath.8      |   14 +++++++++++++-
 multipath/multipath.conf.5 |   31 +++++++++++++++++++++++++++++++
 3 files changed, 45 insertions(+), 1 deletion(-)

Index: multipath-tools-120821/multipath/main.c
===================================================================
--- multipath-tools-120821.orig/multipath/main.c
+++ multipath-tools-120821/multipath/main.c
@@ -101,6 +101,7 @@ usage (char * progname)
 		"  -d      dry run, do not create or update devmaps\n" \
 		"  -t      dump internal hardware table\n" \
 		"  -r      force devmap reload\n" \
+		"  -B      treat the bindings file as read only\n" \
 		"  -p      policy failover|multibus|group_by_serial|group_by_prio\n" \
 		"  -b fil  bindings file location\n" \
 		"  -p pol  force all maps to specified path grouping policy :\n" \
Index: multipath-tools-120821/multipath/multipath.8
===================================================================
--- multipath-tools-120821.orig/multipath/multipath.8
+++ multipath-tools-120821/multipath/multipath.8
@@ -5,8 +5,10 @@ multipath \- Device mapper target autoco
 .B multipath
 .RB [\| \-v\ \c
 .IR verbosity \|]
+.RB [\| \-b\ \c
+.IR bindings_file \|]
 .RB [\| \-d \|]
-.RB [\| \-h | \-l | \-ll | \-f | \-t | \-F \| \-B \|]
+.RB [\| \-h | \-l | \-ll | \-f | \-t | \-F | \-B | \-c | \-q | \|-r \|]
 .RB [\| \-p\ \c
 .BR failover | multibus | group_by_serial | group_by_prio | group_by_node_name \|]
 .RB [\| device \|]
@@ -56,6 +58,16 @@ force devmap reload
 .B \-B
 treat the bindings file as read only
 .TP
+.B \-b " bindings_file"
+set user_friendly_names bindings file location.  The default is
+/etc/multipath/bindings
+.TP
+.B \-c
+check if a block device should be a path in a multipath device
+.TP
+.B \-q
+allow device tables with queue_if_no_path when multipathd is not running
+.TP
 .BI \-p " policy"
 force new maps to use the specified policy:
 .RS 1.2i
Index: multipath-tools-120821/multipath/multipath.conf.5
===================================================================
--- multipath-tools-120821.orig/multipath/multipath.conf.5
+++ multipath-tools-120821/multipath/multipath.conf.5
@@ -369,6 +369,31 @@ errors are logged at level 3 until the d
 .I always
 , multipathd always logs the path checker error at logging level 2. Default is
 .I always
+.TP
+.B reservation_key
+This is the service action reservation key used by mpathpersist.  It must be
+set for all multipath devices using persistent reservations, and it must be
+the same as the RESERVATION KEY field of the PERSISTENT RESERVE OUT parameter
+list which contains an 8-byte value provided by the application client to the
+device server to identify the I_T nexus. It is unset by default.
+.TP
+.B retain_attached_hw_handler
+If set to
+.I yes
+and the scsi layer has already attached a hardware_handler to the device,
+multipath will not force the device to use the hardware_handler specified by
+mutipath.conf. If the scsi layer has not attached a hardware handler,
+multipath will continue to use its configured hardware handler. Default is
+.I no
+.TP
+.B detect_prio
+If set to
+.I yes
+, multipath will try to detect if the device supports ALUA. If so, the device
+will automatically use the
+.I alua
+prioritizer. If not, the prioritizer will be selected as usual. Default is
+.I no
 .
 .SH "blacklist section"
 The
@@ -468,6 +493,8 @@ section:
 .B rr_min_io_q
 .TP
 .B features
+.TP
+.B reservation_key
 .RE
 .PD
 .LP
@@ -554,6 +581,10 @@ section:
 .B dev_loss_tmo
 .TP
 .B flush_on_last_del
+.TP
+.B retain_attached_hw_handler
+.TP
+.B detect_prio
 .RE
 .PD
 .LP


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