NetApp Fas8020存储报/vol/vol_for_order/2015/ is approaching the maxdirsize limit？

 [FAS8020A:wafl.dir.size.max.warning:warning]: Directory /vol/vol_for_order/2015/ is approaching the maxdirsize limit. Current maxdirsize limit is less than the default maxdirsize. Reduce the number of files in the directory, or use the "vol options" command to increase the maxdirsize limit for the volume containing the indicated directory.应该解决？