Installation of Transarc AFS on RedHat 6.1 with kernel 2.2.16-3:
Make sure modutils version is > 2.2 -- 
I upgraded to the RH6.2 version, 2.3.21-0.6.2

Download Transarc AFS 3.6.1 from 
http://www.transarc.ibm.com/Downloads/afs36/
Untar into <instdir>

# cd <instdir>
# tar zxvf i386_linux22.tar.gz

# mkdir /usr/vice
# mkdir /usr/vice/etc

# cd root.client/usr/vice/etc
# cp -a modload /usr/vice/etc
# cp -a C /usr/vice/etc
# cp -p * /usr/vice/etc
# cp -p afs.rc /etc/rc.d/init.d/afs

# cd /usr/vice/etc/modload
# ln -s libafs-2.2.14.mp.o libafs-2.2.14smp.mp.o
# ln -s libafs-2.2.14.mp.o libafs-2.2.16-3smp.mp.o
# ln -s libafs-2.2.14.mp.o libafs-2.2.16-3.mp.o
# ln -s libafs-2.2.14.o libafs-2.2.16-3.o

# /etc/rc.d/init.d/afs start

# cd /lib/security
# cp -p <instdir>/lib/pam_afs.so.1  .
# ln -s pam_afs.so.1 pam_afs.so
# emacs /etc/pam.d/login &
add (right before account required ...): 
auth       sufficient   /lib/security/pam_afs.so try_first_pass ignore_root

# cd /usr/vice/etc
# echo "rhic" > ThisCell
# scp -p atlas00.usatlas.bnl.gov:/afs/rhic/common/etc/CellServDB .

# mkdir /usr/vice/cache
# echo "/afs:/usr/vice/cache:50000" > cacheinfo
# mkdir /afs   
# cp -p /usr/vice/etc/afs.conf /etc/sysconfig/afs  
# reboot

# /etc/rc.d/init.d/afs start
# /sbin/chkconfig --add afs

# ln -s /afs/rhic/@sys/usr/afsws /usr/afsws

Also, make /etc/profile.d/afs.*sh, which add 
/usr/afsws/bin:/usr/afsws/etc to PATH