% mkfs -t ext3 -v -L 'dlCache1' /dev/hdb11
This filesystem will be automatically checked every 28 mounts or
180 days, whichever comes first.  Use tune2fs -c or -i to override.

% tune2fs -c 20 -i 15d !$
tune2fs 1.35 (28-Feb-2004)
Setting maximal mount count to 20
Setting interval between check 1296000 seconds

documented on: 2004.07.02