1. # ipa-getkeytab to get a service principal, or use the keytab...
2. Point multiple servers/services to use the same file, or you can copy the file to discrete locations as desired/required.
That's about it.
Should add this to "Administering IPA Servers" section as a simple procedure, part of the Cluster Use Case.
*** Bug 488906 has been marked as a duplicate of this bug. ***
Added to 10.1. Administering the IPA Server as new section "10.1.2. Implementing IPA in a Clustered Environment"
Not pushed yet.