AVAIL=$((FREE_SPACE * 9 / 10 / CLIENT_COUNT))
if [ $AVAIL -lt $USAGE ]; then
echoerr "no enough free disk space: need $USAGE, avail $AVAIL"
AVAIL=$((FREE_SPACE * 9 / 10 / CLIENT_COUNT))
if [ $AVAIL -lt $USAGE ]; then
echoerr "no enough free disk space: need $USAGE, avail $AVAIL"