sda is first 80GB SATA HD.
sda1 ext3      256MB      /boot
sda2 swap      1GB        swap
sda3 reiserfs  remaining  / (remaining after you do the math for the other partitions, but numbering, sizes, and mount points are in this order)
sda4 extended partition (for sda5, sda6, sda7)
sda5 reiserfs  6GB        /tmp
sda6 reiserfs  8GB        /var/log
sda7 reiserfs  8GB        /mnt/sql

sdb is second 80GB SATA HD.
sdb1 none      40GB       none (intended for raw access with MySQL)
sdb2 reiserfs  remaining  /mnt/backup