function storage_status {
    # Par1: host
    ALERTS = $( ssh -o StrictHostKeyChecking=no -t $USER_TM@$i \
    "sudo df -h | awk ' function isper(x){return(v+x==x+0)}   BEGIN {TS_SPACE=${_SPACE_THRESHOLD_} ; count = 0} { if  (\$5 > TS_SPACE && isper(\$5) && NR != 1 ) { count=count+1 } }  END { print count } ' " )
    [ $ALERTS -ne 0 ] || return "Storage is over $_SPACE_THRESHOLD_ %" && return "OK"

}