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