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Datacenter ref guide SDSC Datacenter Reference Guide I PURPOSE The purpose of this document is to serve as reference material for campus personnel and customers participating in co ? location at the San Diego Supercomputer Center Revisions to this documen

SDSC Datacenter Reference Guide I PURPOSE The purpose of this document is to serve as reference material for campus personnel and customers participating in co ? location at the San Diego Supercomputer Center Revisions to this document will be made as necessary to maintain its accuracy II TECHNICAL STANDARDS SDSC Data Center Attributes ? sq ft of space ? Megawatts of current datacenter power with on ? site capacity of Megawatts o V distribution currently available o V available Equipment Racks The racks to be used and provided in the SDSC datacenters are APC AR s in the West Datacenter and Liebert Knurr Miracel mm width mm depth U racks in the East Datacenter All racks are labeled front and rear at the top with their room coordinates The racks will include overhead cable troughs and thermal containment systems ? http www apc com resource include techspecindex cfm basesku AR ? http www knuerr com web zip ? pdf en IT ? Special ? Catalog IT ? Special ? Catalog ? Miracel pdf Networking The design of the SDSC colocation network fabric provides a stable exible infrastructure that has high performance and reliability All backbone trunks currently utilize g links in some cases using more than one bonded together for increased throughput The Layer Colo fabric will include Juniper core and Arista aggregation switches The design will support thousands of G ports and hundreds of g ports with hundreds of vlans available Vlans will conveniently allow a virtual space in the network devoted to a customer ? s IP address space Customers may require local data and management vlans assigned to a customer going to the same or di ?erent racks This will allow several di ?erent options depending how a customer wants to use their rack space Below is the agreed upon SDSC network infrastructure to support scalable colocation Revised August CAt a rack level there are three standard connectivity options ? In ? rack or port Juniper EX switches o The switch is recharged to the campus up ? front with an annual maintenance cost charged for maintenance and the depreciation of the upstream fabric o Hosts are connected to one or two G copper ports or to a Gb port on the switch o Up to ten EX switches share trunks back into the fabric using a redundant Gb ring architecture that allow all ten switches to act as one switch from a management and performance perspective ? Gb links directly into the aggregation switch fabric o For higher ? bandwidth needs or other special circumstances Gb links can be provided into the Arista aggregation switch layer of the network fabric o These Gb ports are leased on an annual basis recouping the depreciation costs of their share of the upstream fabric ? Gb links directly into the core switch fabric o For certain special circumstances Gb links can be provided directly into the Juniper core switch layer of the network fabric o These Gb ports are