(:title UJ Rsearch Cluster hardware )
- 1 Head Node
- Dell 2950, 2 x 4 Core Xeon Processors
- 16 GB RAM
- 900 GB – RAID5
- Scientific Linux 4/64 Bit
- hosts : NFSv4, Accounts, Torque, Ganglia
- Replacing Head Node with a higher specced Machine because of the introduction of the new Worker Nodes
- Then - Updating of Head Node from SL4/VMWare to SL5/Xen is planned
- Switch
- Configuration
- Separate Virtual Machines (VMWare Server) for :
- OSG CE (1 GB RAM)
- OSG UI (submit node) – (2 GB RAM)
- gLite CE (1 GB RAM)
- gLite UI (submit node) – (1 GB RAM)
- Worker Nodes - Phase 1 : 7 nodes x 8 cores each = 56 Cores (March 2009)
- 7 Worker Nodes comprising :
- Dell 1425, 2 x 4 Core Opteron Processors
- 16 GB RAM
- Scientific Linux 5/64 Bit
- gLite sw locally installed
- OSG sw from NFS
- Worker Nodes - Phase 2 : 4 nodes x 8 cores each - 32 Cores (November 2009)
- Same machines as previous
- Testing the SL5/64 install
- Storage' (since Novmber 2009)
- 1 x Dell MD1000 Storage shelf (7TB raw) connected to a SE.
- SE is a Dell 1425, 2 x 4 Core Opteron Processors
- 16 GB RAM
- Worker Nodes - Phase 3 : 16 nodes of 12 cores each = 192 Cores (June 2010)
- New Worker Nodes comprising :
- 16 x Blades on a Dell M605 blade chassis with 2 x 6 Cores, 32GB Ram per blade (AMD)
- Scientific Linux 5/64 Bit
Total Cores in Worker Nodes --> 280
- Data Centre Infrastructure
- Cooling
- Green Initiative
- Cooling - 8kW/rack
- APC In-Row Cooling Racks Installed
- Hot isle containment system
- Down-blow AC units air cooled to 1 C
- Operating Temperature Increased from 15C to 19C
- UPS
- Expansion Capacity
- Reserved - 3 additional racks
