1. Computing Resources Joachim Wagner 2008-07-24

2. Overview CNGL Cluster MT Group Cluster School Cluster Desktop PCs

3. Overview CNGL Cluster MT Group Cluster School Cluster Desktop PCs

4. From 5-year-old PCs Pentium 4 32 bit 1 GB RAM 80 GB hard disk Projects without equipment budget Guests To new CNGL PCs Core 2 Duo 2.8 – 3.0 GHz 4 GM RAM 2 x 320 GB hard disk 64 bit as on the Clusters

5. Overview CNGL Cluster MT Group Cluster School Cluster Desktop PCs

6. Current MT Group Cluster 4 computing nodes 2 Intel Xeon 5110 Dual-Core 1.6 GHz, 4MB cache 16 cores in total 2 nodes with 4 GB RAM each 2 nodes with 8 GB RAM each Frontend / Login node maia.computing.dcu.ie Storage 2.5 TB RAID 5 protection against disk failure 88 44 4 cores each: 4 Frontend / Login #: GB RAM maia 500 RAID 5: 2.5 TB Usable: 5 x 500 GBP Storage 500

7. Overview CNGL Cluster MT Group Cluster School Cluster Desktop PCs

8. School Cluster Scientific Computing & Complex Systems Modelling Ray Welshe 56 nodes 2 Intel Xeon E5430 Quad-Core 2.66 GHz, 2x6 MB cache 8 GB RAM each 448 cores in total Storage External RAID Dell MD3000 -> ~ 12 TB No details on sci-sym website

9. Overview CNGL Cluster MT Group Cluster School Cluster Desktop PCs

10. Future CNGL Cluster Tender spec being prepared 12 new machines 2 Intel Xeon E5420 Quad-Core 2.5 GHz, 2x6MB cache 96 cores in total 10 nodes with 16 GB RAM each 2 nodes with 32 GB RAM each Storage 18 TB, see next slide Integration into existing MT cluster 16 32 16 32 88 44 8 cores each: 4 cores each: 16 Frontend / Login #: GB RAM Old New maia 4

11. Planned Storage Protect against disk failures Raw: 22.5 TB User: 18.0 TB No backup Use external CVS repository for development Copy results of experiments Temporary files Running experiments 750 RAID 5: 4.5 TB 750 User data: 6 x 750 GBP 1 x Hot spare 750 RAID 5: 4.5 TB User data: 6 x 750 GBP Linear: 18.0 TB 24/30 disks = 80% 750 RAID 5: 4.5 TB 750 User data: 6 x 750 GBP 1 x Hot spare 750 RAID 5: 4.5 TB User data: 6 x 750 GBP

12. Overview CNGL Cluster MT Group Cluster School Cluster Desktop PCs

13. ICHEC Resources Walton – 479 node cluster 2 x AMD Opteron 250 2.4 GHz 4 and 8 GB nodes 958 cores in total Hamilton – single machine 32 x Itanium2 1.5 GHz 256 GB RAM 32 cores in total Two IBM Blue Gene systems PowerPC 440 and 450 (0.70-0.85 GHz) Only 512 MB RAM per Core 6144 cores in total

14. Progress Local Cluster

15. Questions ? Contact: Joachim Wagner CNGL System Administrator jwagner@computing.dcu.ie (01) 700 6915