54 lines
1.1 KiB
Groff
54 lines
1.1 KiB
Groff
.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.
|