summaryrefslogtreecommitdiff
path: root/extras/multipath/multipath.8
diff options
context:
space:
mode:
Diffstat (limited to 'extras/multipath/multipath.8')
-rw-r--r--extras/multipath/multipath.853
1 files changed, 53 insertions, 0 deletions
diff --git a/extras/multipath/multipath.8 b/extras/multipath/multipath.8
new file mode 100644
index 0000000000..98746424b4
--- /dev/null
+++ b/extras/multipath/multipath.8
@@ -0,0 +1,53 @@
+.TH MULTIPATH 8 "February 2004" "" "Linux Administrator's Manual"
+.SH NAME
+multipath \- Device mapper target autoconfig
+.SH SYNOPSIS
+.B multipath
+.RB [\| \-v | \-q \|]
+.RB [\| \-d \|]
+.RB [\| \-m\ \c
+.IR max_devs \|]
+.RB [\| \-p\ \c
+.BR failover | multibus | group_by_serial \|]
+.RB [\| device \|]
+.SH DESCRIPTION
+.B multipath
+is used to detect multiple paths to devices for fail-over or performance reasons and coalesces them.
+.SH OPTIONS
+.TP
+.B \-v
+verbose, print all paths and multipaths
+.TP
+.B \-q
+quiet, no output at all
+.TP
+.B \-d
+dry run, do not create or update devmaps
+.TP
+.BI \-m " max_devs"
+scan
+.I max_devs
+devices at most
+.TP
+.BI \-p " policy"
+force maps to specified policy:
+.RS 1.2i
+.TP 1.2i
+.B failover
+1 path per priority group
+.TP
+.B multibus
+all paths in 1 priority group
+.TP
+.B group_by_serial
+1 priority group per serial
+.RE
+.TP
+.B device
+limit the [re]configuration to the specified device's multipath scope. device is given in its hotplug $DEVPATH form like /devices/pci0000:03/0000:03:01.0/host0/0:0:5:1
+.SH "SEE ALSO"
+.BR udev (8),
+.BR dmsetup (8)
+.SH AUTHORS
+.B multipath
+was developed by Christophe Varoqui, <christophe.varoqui@free.fr> and others.