host: files needed to set up a scripts.mit.edu hypervisor (aka VM host) locker: files associated with the scripts Athena locker lvs: files needed to set up a scripts.mit.edu director (aka load balancer) server: files needed to run a scripts.mit.edu server (aka realserver) ldap: files needed to run a scripts.mit.edu ldap server (aka scripts-ldap) ldap servers were previously run on realservers. However, 16-way MMR turns out to be difficult to manage. By splitting the LDAP cluster into its own servers, Scripts migrations across version boundaries are easier since there is not a cutover period to two different versions of LDAP in the pool. However, this is still true when upgrading the LDAP cluster itself. The LDAP cluster should be run on a variant of EL to reduce maintenance burden.