name : start-thinpool-monitor.sh #!/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 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