#!/bin/sh # run lvm scan if udev has settled extraargs="$@" . /lib/dracut-lib.sh VGS=$(getargs rd_LVM_VG=) LVS=$(getargs rd_LVM_LV=) [ -d /etc/lvm ] || mkdir -p /etc/lvm # build a list of devices to scan lvmdevs=$( for f in /tmp/.lvm_scan-*; do [ -e "$f" ] || continue echo -n "${f##/tmp/.lvm_scan-} " done ) if [ ! -e /etc/lvm/lvm.conf ]; then { echo 'devices {'; echo -n ' filter = [ ' for dev in $lvmdevs; do printf '"a|^/dev/%s$|", ' $dev; done; echo '"r/.*/" ]'; echo '}'; # establish read-only locking echo 'global {'; echo ' locking_type = 4'; echo '}'; } > /etc/lvm/lvm.conf lvmwritten=1 fi check_lvm_ver() { maj=$1 min=$2 ver=$3 # --poll is supported since 2.2.57 [ $4 -lt $maj ] && return 1 [ $4 -gt $maj ] && return 0 [ $5 -lt $min ] && return 1 [ $5 -gt $min ] && return 0 [ $6 -ge $ver ] && return 0 return 1 } # hopefully this output format will never change, e.g.: # LVM version: 2.02.53(1) (2009-09-25) OLDIFS=$IFS IFS=. set $(lvm version 2>/dev/null) IFS=$OLDIFS maj=${1##*:} min=$2 sub=${3%% *} sub=${sub%%\(*}; check_lvm_ver 2 2 57 $maj $min $sub && \ nopoll="--poll n" if check_lvm_ver 2 2 65 $maj $min $sub; then sysinit=" --sysinit $extraargs" fi unset extraargs export LVM_SUPPRESS_LOCKING_FAILURE_MESSAGES=1 if [ -n "$LVS" ] ; then info "Scanning devices $lvmdevs for LVM logical volumes $LVS" lvm lvscan --ignorelockingfailure 2>&1 | vinfo if [ -z "$sysinit" ]; then lvm lvchange -ay --ignorelockingfailure $nopoll --ignoremonitoring $LVS 2>&1 | vinfo else lvm lvchange --yes -ay $sysinit $LVS 2>&1 | vinfo fi fi if [ -z "$LVS" -o -n "$VGS" ]; then info "Scanning devices $lvmdevs for LVM volume groups $VGS" lvm vgscan --ignorelockingfailure 2>&1 | vinfo if [ -z "$sysinit" ]; then lvm vgchange -ay --ignorelockingfailure $nopoll --ignoremonitoring $VGS 2>&1 | vinfo else lvm vgchange -ay $sysinit $VGS 2>&1 | vinfo fi fi if [ "$lvmwritten" ]; then rm -f /etc/lvm/lvm.conf ln -s /sbin/lvm-cleanup /pre-pivot/30-lvm-cleanup.sh 2>/dev/null ln -s /sbin/lvm-cleanup /pre-pivot/31-lvm-cleanup.sh 2>/dev/null fi unset lvmwritten