PREV_ERRORS=$(grep "exit delayed from previous errors" $LOG) || true
if [ $RC -ne 0 -a "$ERRORS_OK" -a "$PREV_ERRORS" ]; then
echoerr "$(date +'%F %H:%M:%S'): tar errors earlier, ignoring"
PREV_ERRORS=$(grep "exit delayed from previous errors" $LOG) || true
if [ $RC -ne 0 -a "$ERRORS_OK" -a "$PREV_ERRORS" ]; then
echoerr "$(date +'%F %H:%M:%S'): tar errors earlier, ignoring"