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#!/bin/sh
type getarg > /dev/null 2>&1 || . /lib/dracut-lib.sh
LVS=$(getargs rd.lvm.lv -d rd_LVM_LV=)
is_lvm2_thinp_device() {
_device_path=$1
_lvm2_thin_device=$(lvm lvs -S 'lv_layout=sparse && lv_layout=thin' \
--nosuffix --noheadings -o vg_name,lv_name "$_device_path" 2> /dev/null)
[ -n "$_lvm2_thin_device" ] && return $?
}
for LV in $LVS; do
if is_lvm2_thinp_device "/dev/$LV"; then
THIN_POOLS="$(lvm lvs -S 'lv_layout=sparse && lv_layout=thin' \
--nosuffix --noheadings -o vg_name,pool_lv "$LV" \
| awk '{printf("%s/%s",$1,$2);}') $THIN_POOLS"
fi
done
THIN_POOLS=$(echo "$THIN_POOLS" | tr ' ' '\n' | sort -u | tr '\n' ' ')
if [ -n "$THIN_POOLS" ]; then
if [ -e "/etc/lvm/lvm.conf" ]; then
# Use 'monitoring=0' to override the value in lvm.conf, in case
# dmeventd monitoring been started after the calling.
CONFIG="activation {monitoring=0}"
else
CONFIG="activation {monitoring=0 thin_pool_autoextend_threshold=70 thin_pool_autoextend_percent=20}"
fi
# Activate the thinpool in case the thinpool is in inactive state.
# Otherwise lvextend will fail.
for THIN_POOL in $THIN_POOLS; do
lvm lvchange -ay "$THIN_POOL" --config "$CONFIG"
done
while true; do
for THIN_POOL in $THIN_POOLS; do
lvm lvextend --use-policies --config "$CONFIG" "$THIN_POOL"
done
sleep 5
done &
echo $! > /run/thinpool-moni.pid
fi
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