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|
#!/bin/sh
# run lvm scan if udev has settled
. /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() {
# --poll is supported since 2.2.57
[ $1 -lt 2 ] && return 1
[ $1 -gt 2 ] && return 0
# major is 2
[ $2 -lt 2 ] && return 1
[ $2 -gt 2 ] && return 0
# minor is 2, check for
# greater or equal 57
[ $3 -ge 57 ] && return 0
return 1
}
nopoll=$(
# hopefully this output format will never change, e.g.:
# LVM version: 2.02.53(1) (2009-09-25)
lvm version 2>/dev/null | \
(
IFS=. read maj min sub;
maj=${maj##*:};
sub=${sub%% *}; sub=${sub%%\(*};
check_lvm_ver $maj $min $sub && \
echo " --poll n ") 2>/dev/null )
if [ -n "$LVS" ] ; then
info "Scanning devices $lvmdevs for LVM logical volumes $LVS"
lvm lvscan --ignorelockingfailure 2>&1 | vinfo
lvm lvchange -ay --ignorelockingfailure $nopoll --ignoremonitoring $LVS 2>&1 | vinfo
fi
if [ -z "$LVS" -o -n "$VGS" ]; then
info "Scanning devices $lvmdevs for LVM volume groups $VGS"
lvm vgscan --ignorelockingfailure 2>&1 | vinfo
lvm vgchange -ay --ignorelockingfailure $nopoll --ignoremonitoring $VGS 2>&1 | vinfo
fi
if [ "$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
|
