1. QMUL Site Report by Dave Kant HEPSYSMAN Meeting 2003 06/09/2019

2. Overview
Local Computing
Grid Computing
06/09/2019

3. What We’ve Got 2 Dual Processor Servers 450MHz 36GB
NIS, NFS, SAMBA, SENDMAIL, DHCP, APACHE, Mozilla
Master
rsync slave every night
Slave
36GB
450MHz
DLT Tape
Incremental backups to tape every night
Cycle Tapes every 10 weeks
06/09/2019

4. Redundancy of 1 drive (8-1)*160GB = 1120 GB
Long Term Backup
1TB IDE Raid 5 with Promise TX2 Controllers
8 x 160GB Maxtor HD
650MHz
160GB
160GB
160GB
160GB
Ultra133 TX2 features:
slots into the 32bit portion of a 64bit PCI bus (
48bit LBA (> 137GB) up to 140PB
160GB
160GB
160GB
160GB
Redundancy of 1 drive (8-1)*160GB = 1120 GB
06/09/2019

5. Linux Desktops Base Platform: RedHat 7.3
Applications: VMware, OpenOffice, Mozilla
7 Dual Athlon MP2000+ Tyan Tiger MPX
2 Dual Intel 1000MHz
4 Dual Intel 500MHz
06/09/2019

6. Queen Mary Network
Network Connection Upgraded to 100 Mbps in late 2001
No plans to upgrade the link to 1Gbps => expensive at about 30K/year
PHYSICS
06/09/2019

7. EDG TESTBED
06/09/2019

8. EDG Testbed Five machines: CE, SE, UI, WN, LCFG server 06/09/2019

9. More computing on the way
Science Research Infrastructure Fund (SRIF) => 12M to QMUL
Round 1:
HEP + Astronomy + Other small groups awarded 1.2M for 03/04 Computing facility 100m2, 48 Rack capacity, 80KW Air Cooling
HEP awarded 220K
Round 2:
HEP + Astronomy share a further 630K for 05/06
06/09/2019

10. 32Amp circuit per 4-plug unit and cable bays
Computing Facility
100m2
48 rack capacity
Overhead power trunking
Secure Access
200Amps / 3 Phase
32Amp circuit per 4-plug unit and cable bays
FM200 GAS SYSTEM
x4 20 KW Air Cooling Unit
06/09/2019

11. More computing on the way
HEP approach is biased towards High Throughput Computing
“As many CPU’s as possible”
Astronomy approach is biased towards High Performance Computing
“Low Latency Interconnects for MPI”
There may be a significant technology overlap in the future...
06/09/2019

12. HEP Prototype Front End Server:
Dual Athlon (2.0GHz), 2GHz RAM, x2 200GB HD in raid mirror, 64bit Gigabit Ethernet cards
Worker Nodes:
Dual Athlon (2.0GHz), 1GHz RAM, 120GB HD, Gigabit Ethernet
Storage:
Not yet decided but likely to be IDE Raid solution
06/09/2019

13. HEP Prototype MicroDirect Supplier 4u Front End Server (1.5K)
2u Worker Nodes (1.0K)
06/09/2019

14. HEP Prototype Gigabit Optical Fibre (multimode 50/125)
48 port terminal server (Cyclades)
NetGear Gigabit switch
Power Distribution Box
06/09/2019

15. LHC start: 400 CPUs + 100TB Storage
Timescales
Next 3 months: prototype part of EDG testbed
End of : additional 32 dual nodes + 2TB storage
End : additional 64 dual nodes + 8TB storage
05/ : aiming towards a further 100 dual nodes and 100TB storage
LHC start: CPUs + 100TB Storage
06/09/2019