108 lines
2.4 KiB
Bash
Executable File
108 lines
2.4 KiB
Bash
Executable File
#!/bin/sh
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# run lvm scan if udev has settled
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extraargs="$*"
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type getarg > /dev/null 2>&1 || . /lib/dracut-lib.sh
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VGS=$(getargs rd.lvm.vg -d rd_LVM_VG=)
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LVS=$(getargs rd.lvm.lv -d rd_LVM_LV=)
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# shellcheck disable=SC2174
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[ -d /etc/lvm ] || mkdir -m 0755 -p /etc/lvm
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# build a list of devices to scan
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lvmdevs=$(
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for f in /tmp/.lvm_scan-*; do
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[ -e "$f" ] || continue
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printf '%s' "${f##/tmp/.lvm_scan-} "
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done
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)
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if [ ! -e /etc/lvm/lvm.conf ]; then
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{
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echo 'devices {'
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printf ' filter = [ '
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for dev in $lvmdevs; do
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printf '"a|^/dev/%s$|", ' "$dev"
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done
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echo '"r/.*/" ]'
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echo '}'
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echo 'global {'
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echo '}'
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} > /etc/lvm/lvm.conf
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lvmwritten=1
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fi
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check_lvm_ver() {
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maj=$1
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min=$2
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ver=$3
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# --poll is supported since 2.2.57
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[ "$4" -lt "$maj" ] && return 1
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[ "$4" -gt "$maj" ] && return 0
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[ "$5" -lt "$min" ] && return 1
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[ "$5" -gt "$min" ] && return 0
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[ "$6" -ge "$ver" ] && return 0
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return 1
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}
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# hopefully this output format will never change, e.g.:
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# LVM version: 2.02.53(1) (2009-09-25)
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OLDIFS=$IFS
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IFS=.
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# shellcheck disable=SC2046
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set -- $(lvm version 2> /dev/null)
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IFS=$OLDIFS
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maj=${1##*:}
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min=$2
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sub=${3%% *}
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sub=${sub%%\(*}
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# For lvchange and vgchange use --sysinit which:
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# disables polling (--poll n)
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# ignores monitoring (--ignoremonitoring)
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# ignores locking failures (--ignorelockingfailure)
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# disables hints (--nohints)
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#
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# For lvscan and vgscan:
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# disable locking (--nolocking)
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# disable hints (--nohints)
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activate_args="--sysinit $extraargs"
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unset extraargs
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export LVM_SUPPRESS_LOCKING_FAILURE_MESSAGES=1
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scan_args="--nolocking"
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check_lvm_ver 2 3 14 "$maj" "$min" "$sub" \
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&& scan_args="$scan_args --nohints"
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if [ -n "$LVS" ]; then
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info "Scanning devices $lvmdevs for LVM logical volumes $LVS"
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# shellcheck disable=SC2086
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lvm lvscan $scan_args 2>&1 | vinfo
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for LV in $LVS; do
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# shellcheck disable=SC2086
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lvm lvchange --yes -K -ay $activate_args "$LV" 2>&1 | vinfo
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done
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fi
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if [ -z "$LVS" ] || [ -n "$VGS" ]; then
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info "Scanning devices $lvmdevs for LVM volume groups $VGS"
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# shellcheck disable=SC2086
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lvm vgscan $scan_args 2>&1 | vinfo
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# shellcheck disable=SC2086
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lvm vgchange -ay $activate_args $VGS 2>&1 | vinfo
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fi
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if [ "$lvmwritten" ]; then
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rm -f -- /etc/lvm/lvm.conf
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fi
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unset lvmwritten
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udevadm settle
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need_shutdown
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