[CentOS] new install and software raid

Is there a reason why after a software raid install (from kickstart)
that md1 is always unclean. md0 seems fine.

boot screen says md1 is dirty and
cat /proc/mdstat show md1 as being rebuilt.

Any ideas?

Jerry

--------------- my kickstart --------------
echo "bootloader --location=mbr --driveorder=$HD1SHORT --append=\"rhgb 
quiet\"                                  " >  /tmp/partition-information
echo "clearpart --all 
--initlabel                                                                               
" >> /tmp/partition-information
echo "part --ondisk=$HD1SHORT raid.01 --asprimary --bytes-per-inode=4096 
--fstype="raid" --size=20000           " >> /tmp/partition-information
echo "part --ondisk=$HD1SHORT swap    --asprimary --bytes-per-inode=4096 
--fstype="swap" --size=4000            " >> /tmp/partition-information
echo "part --ondisk=$HD1SHORT raid.02 --asprimary --bytes-per-inode=4096 
--fstype="raid" --size=1       --grow  " >> /tmp/partition-information
echo "part --ondisk=$HD2SHORT raid.03 --asprimary --bytes-per-inode=4096 
--fstype="raid" --size=20000           " >> /tmp/partition-information
echo "part --ondisk=$HD2SHORT swap    --asprimary --bytes-per-inode=4096 
--fstype="swap" --size=4000            " >> /tmp/partition-information
echo "part --ondisk=$HD2SHORT raid.04 --asprimary --bytes-per-inode=4096 
--fstype="raid" --size=1       --grow  " >> /tmp/partition-information
echo "raid /     --bytes-per-inode=4096 --device=md0 --fstype="ext3" 
--level=1 raid.01 raid.03                  " >> /tmp/partition-information
echo "raid /home --bytes-per-inode=4096 --device=md1 --fstype="ext3" 
--level=1 raid.02 raid.04                  " >> /tmp/partition-information