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From 3d1bd59eb09780fe156bb24fc6709ce844f68052 Mon Sep 17 00:00:00 2001
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From: Harald Hoyer <harald@redhat.com>
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Date: Tue, 25 Aug 2015 13:49:10 +0200
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Subject: [PATCH] multipath: add hostonly multipath.conf
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Resolves: rhbz#994702
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---
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modules.d/90multipath/module-setup.sh | 43 ++++++++++++++++++++++-----
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1 file changed, 35 insertions(+), 8 deletions(-)
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diff --git a/modules.d/90multipath/module-setup.sh b/modules.d/90multipath/module-setup.sh
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index acfc56f8..4971d18d 100755
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--- a/modules.d/90multipath/module-setup.sh
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+++ b/modules.d/90multipath/module-setup.sh
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@@ -2,18 +2,29 @@
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# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
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# ex: ts=8 sw=4 sts=4 et filetype=sh
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+is_mpath() {
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+ local _dev=$1
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+ [ -e /sys/dev/block/$_dev/dm/uuid ] || return 1
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+ [[ $(cat /sys/dev/block/$_dev/dm/uuid) =~ mpath- ]] && return 0
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+ return 1
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+}
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+
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+majmin_to_mpath_dev() {
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+ local _dev
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+ for i in `ls -1 /dev/mapper/mpath*`; do
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+ dev=$(get_maj_min $i)
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+ if [ "$dev" = "$1" ]; then
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+ echo $i
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+ return
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+ fi
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+ done
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+}
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+
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check() {
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local _rootdev
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# if there's no multipath binary, no go.
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require_binaries multipath || return 1
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- is_mpath() {
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- local _dev=$1
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- [ -e /sys/dev/block/$_dev/dm/uuid ] || return 1
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- [[ $(cat /sys/dev/block/$_dev/dm/uuid) =~ mpath- ]] && return 0
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- return 1
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- }
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-
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[[ $hostonly ]] || [[ $mount_needs ]] && {
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for_each_host_dev_and_slaves is_mpath || return 255
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}
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@@ -68,7 +79,18 @@ installkernel() {
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}
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install() {
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- local _f
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+ local _f _allow
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+ add_hostonly_mpath_conf() {
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+ is_mpath $1 && {
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+ local _dev
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+
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+ _dev=$(majmin_to_mpath_dev $1)
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+ [ -z "$_dev" ] && return
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+ strstr "$_allow" "$_dev" && return
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+ _allow="$_allow --allow $_dev"
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+ }
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+ }
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+
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inst_multiple -o \
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dmsetup \
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kpartx \
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@@ -82,6 +104,11 @@ install() {
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/etc/multipath.conf \
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/etc/multipath/*
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+ [[ $hostonly ]] && {
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+ for_each_host_dev_and_slaves_all add_hostonly_mpath_conf
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+ [ -n "$_allow" ] && mpathconf $_allow --outfile ${initdir}/etc/multipath.conf
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+ }
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+
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inst $(command -v partx) /sbin/partx
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inst_libdir_file "libmultipath*" "multipath/*"
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