Install 9.0 with custom partitioning:

ok boot net:18.179.0.20,cnboot,18.181.0.xx

Part      Tag    Flag     Cylinders         Size            Blocks
  0       root    wm       0 - 21341       29.40GB    (21342/0/0) 61657038
  1       swap    wu   21342 - 24317        4.10GB    (2976/0/0)   8597664
  2     backup    wu       0 - 24619       33.92GB    (24620/0/0) 71127180
  3 unassigned    wm   24318 - 24618      424.60MB    (301/0/0)     869589
  4 unassigned    wm   24619 - 24619        1.41MB    (1/0/0)         2889

Log in as root, and run:

  passwd
  /afs/sipb/service/solaris/change-config90.sh
  attach athena-sun4sys-90
  /afs/sipb/service/solaris/change-config-discuss.sh
  # install host & discuss srvtab's, keytab, root's .k5login
  /afs/sipb/service/solaris/install-disksuite90.sh
  /afs/sipb/machine/bloom-beacon/install/ds-config.sh
  reboot

  metattach d0 d30
  metattach d1 d31
  metattach d3 d33
  /afs/sipb/machine/bloom-beacon/install/uucp.sh
  /afs/sipb/service/news/install/backups.sh
  /afs/sipb/service/news/install/diablo.sh feeder
  /afs/sipb/service/news/install/disk-error.sh
  /afs/sipb/machine/bloom-beacon/install/misc.sh
  /afs/sipb/service/news/install/majordomo.sh

Follow the remaining directions in
/afs/sipb/machine/bloom-beacon/install/manual-tasks