67 lines
1.2 KiB
Groff
67 lines
1.2 KiB
Groff
.TH MULTIPATH 8 "February 2004" "" "Linux Administrator's Manual"
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.SH NAME
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multipath \- Device mapper target autoconfig
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.SH SYNOPSIS
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.B multipath
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.RB [\| \-v | \-q \|]
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.RB [\| \-d \|]
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.RB [\| \-i\ \c
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.IR int \|]
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.RB [\| \-m\ \c
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.IR max_devs \|]
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.RB [\| \-p\ \c
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.BR failover | multibus | group_by_serial \|]
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.RB [\| device \|]
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.SH DESCRIPTION
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.B multipath
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is used to detect multiple paths to devices for fail-over or performance reasons and coalesces them.
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.SH OPTIONS
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.TP
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.B \-v
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verbose, print all paths and multipaths
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.TP
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.B \-q
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quiet, no output at all
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.TP
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.B \-d
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dry run, do not create or update devmaps
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.TP
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.BI \-i " int"
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multipath target param: polling interval
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.TP
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.BI \-m " max_devs"
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scan
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.I max_devs
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devices at most
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.TP
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.BI \-D " major minor"
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update only the devmap the path pointed by
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.I major minor
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is in
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.TP
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.BI \-p " policy"
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force maps to specified policy:
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.RS 1.2i
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.TP 1.2i
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.B failover
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1 path per priority group
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.TP
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.B multibus
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all paths in 1 priority group
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.TP
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.B group_by_serial
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1 priority group per serial
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.RE
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.TP
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.BI device
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update only the devmap the path pointed by
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.I device
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is in
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.SH "SEE ALSO"
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.BR udev (8),
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.BR dmsetup (8)
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.BR hotplug (8)
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.SH AUTHORS
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.B multipath
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was developed by Christophe Varoqui, <christophe.varoqui@free.fr> and others.
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