An IQN pool is a collection of iSCSI Qualified Names (IQNs) for use as initiator identifiers by iSCSI vNICs in a Cisco UCS domain. IQN pools created in Cisco UCS Central can be shared between Cisco UCS domains. Reference: https://www.cisco.com/c/en/us/td/docs/unified_computing/ucs/ucs-central/GUI-User- Guides/Server-Mgmt/1-5/b_CiscoUCSCentral_Server_Management_Guide_1- 5/b_CiscoUCSCentral_Server_Management_Guide_1-5_chapter_0101.html