Lustre at Dell Overview Jeffrey B. Layton, Ph.D. Dell HPC Solutions | Confidential

Dell HPC Dell’s Approach to HPC Storage Flexibility – Flexibility in performance, scalability, price, and availability Dell is delivering solutions using two approaches: – Complete solutions - Fully vetted, tested, supported › Come with end-to-end support from Dell and partners › Detailed documentation including best practices, performance and sizing guidance › Deployment services if necessary – Roll-it-your-own › Dell creates technical whitepapers containing: – Recommended configurations – Details on configuration – Best practices and sizing guidance › Customer buys hardware and uses whitepapers as a reference guide › Limited or no Dell support or deployment services Confidential 2

Dell HPC Dell HPC Storage Solutions Positioning by Size and Workload 3 Confidential Scale Local data, Home directories Workstation Workgroup Department Super Computer NFS: Dell NSS Custom Solutions Application Data and Scratch Space * Conceptual, not to scale ~1 GB/s Division NFS: Dell NSS Scratch-Space: Dell | Terascala HSS Throughput Data Archiving

Dell HPC The DELL | Terascala HPC Storage Solution (DT-HSS3) Full Lustre solution, fully configured, tested, tuned, and deployed – On-site installation with client deployment and training included – Standard 3 years of support Redundant, highly available solution Simple, linear scalability – 3+ GB/s of throughput per base object solution (redundant), linearly scalable – Pre-defined configurations from 48TB to 336 TB in a single rack – (building blocks) – Configurations serve as building blocks for larger and faster solutions. Full management system with easy to use GUI including monitoring – Based on Dell iDRAC – Software/Firmware upgrade from tool Confidential 4 MetaData Server (MDS) Base OSS

Dell HPC DT-HSS3 Management Console Java based GUI console – Downloadable demo at Why a GUI? – Reduced complexity – Provides all file system administration interaction needed via button clicks – Commands issued to Lustre in the correct order – Single pane of glass to provide system overview and status updates for all components of the appliance – “At a glance” monitoring Confidential 5 Redundant Metadata Redundant Object 2 Controllers w/ 48TB 2 Expansions w/ 48TB

Dell HPC DT-HSS3: Pre-defined configurations 6 S M L Capacity (TB) XL (MDS) (OSS) Total U 16U20U24U32U40U30U38UCustom Raw Capacity 48TB96TB144TB240TB336TB192TB288TBCustom (PB+) Estimated Peak Performance 3+ GB/s 6+ GB/s Custom 3+ GB/s Redundant (HA) MDS and OSS! XS Professional Services for upgrades: Performance Capacity S-EP M-EP

Dell HPC DT-HSS3 Summary Full Redundancy (HA) in a Lustre Appliance Model – MDS and OSS Modular configurations – Scales in terms of capacity and performance – From 48TB’s to PB’s! – This includes 3 years of support and installation! Seven pre-defined configurations: – 4 of the 7 offerings are at or under $1/GB at capacity Confidential 7

Dell HPC 8 Confidential The Dell | Terascala HPC Storage Solution (DT-HSS3) Roll-it-Your-Own

Dell HPC Dell/Cambridge HPC Centre Run by Dr. Paul Caleja at Cambridge Lots of projects. For example: – Developing Lustre configurations/solutions along with whitepapers with all of the details. Lustre on Dell MD3000 storage – Active/Passive MDS › DRBD between two servers – Active/Active OSS with shared storage Confidential 9

Dell HPC Upcoming Dell/Cambridge Lustre Paper Update to paper Same basic configuration as before with some changes: – 6 Gbps SAS storage – More recent Dell servers with Intel processors – QDR InfiniBand Currently available as a technical bullentin Confidential 10

Dell HPC 11 Confidential Summary

Dell HPC Summary Flexibility – Flexibility in performance, scalability, price, and availability Dell follows two paths to HPC storage: – Complete solutions – Roll-it-your-own We have a range of storage solutions – NSS (NFS based storage) – HSS (fast-scratch) – HSM For Lustre based solutions: – Complete Solutions: DT|HSS-3 – Roll-it-your-own: Dell/Cambridge Solution Centre papers Confidential 12