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#!/bin/bash
# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
# ex: ts=8 sw=4 sts=4 et filetype=sh
check() {
# if there's no multipath binary, no go.
type -P multipath >/dev/null || return 1
. $dracutfunctions
[[ $debug ]] && set -x
is_mpath() {
[ -e /sys/dev/block/$1/dm/uuid ] || return 1
[[ $(cat /sys/dev/block/$1/dm/uuid) =~ ^mpath- ]] && return 0
return 1
}
if [[ $hostonly ]]; then
rootdev=$(find_root_block_device)
if [[ $rootdev ]]; then
check_block_and_slaves is_mpath "$rootdev" && return 0
fi
return 1
fi
return 0
}
depends() {
echo rootfs-block
return 0
}
installkernel() {
mp_mod_test() {
local mpfuncs='scsi_register_device_handler|dm_dirty_log_type_register|dm_register_path_selector|dm_register_target'
egrep -q "$mpfuncs" "$1"
}
instmods $(filter_kernel_modules mp_mod_test)
}
install() {
for f in \
/sbin/dmsetup \
/sbin/kpartx \
/sbin/mpath_wait \
/sbin/multipath \
/sbin/multipathd \
/sbin/xdrgetuid \
/sbin/xdrgetprio \
/etc/xdrdevices.conf \
/etc/multipath.conf \
/etc/multipath/* \
"$libdir"/libmultipath* "$libdir"/multipath/*; do
[ -e "$f" ] && inst "$f"
done
inst_hook pre-trigger 02 "$moddir/multipathd.sh"
inst_hook pre-pivot 02 "$moddir/multipathd-stop.sh"
inst_rules 40-multipath.rules
}