Ohare is one of two backend T5120s. Logan was received through the 2008 Sun AEG received by the TJ CSL. It is an LDOM server. LDOMs is a hypervisor-based virtualization scheme developed by Sun for SPARC hardware, similar to Xen on x86. Guests running on Ohare include either Ldap1 or Ldap2. Ohare is a Sun SPARC Enterprise T5120 with 1 Sun UltraSPARC T2 (1.2GHz, 4 core, 8 threads/core) processor, 8GB RAM and 4x146GB disks running Solaris 10.