HPC/Hardware Details: Difference between revisions
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| Line 23: | Line 23: | ||
== Infrastructure nodes == | == Infrastructure nodes == | ||
* 2 | * 2 Management nodes | ||
* 2 | * 2 Lustre MDS | ||
* 4 | * 4 Lustre OSS | ||
* dual socket, quad core (Intel Xeon E5345, 2.33 GHz) | * dual socket, quad core (Intel Xeon E5345, 2.33 GHz) | ||
* pairwise failover | * pairwise failover | ||
Revision as of 15:40, October 27, 2010
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User nodes
| Features | Count | Processor | Cores | Clock (GHz) |
Memory (GB) |
Memory/core (GB) |
|---|---|---|---|---|---|---|
| login1 | 1 | Xeon X5355 | 8 | 2.67 | 16 | 2 |
| login5/login6 | 2 | Xeon E5540 | 8 | 2.53 | 24 | 3 |
| gen1 | 144 | Xeon X5355 | 8 | 2.67 | 16 | 2 |
| gen2 bigmem | 38 | Xeon E5540 | 8 | 2.53 | 48 | 6 |
| gen2 | 166 | Xeon E5540 | 8 | 2.53 | 24 | 3 |
Infrastructure nodes
- 2 Management nodes
- 2 Lustre MDS
- 4 Lustre OSS
- dual socket, quad core (Intel Xeon E5345, 2.33 GHz)
- pairwise failover
Storage
- NexSAN SATAbeast
- 30 TB raw RAID-5, 22 TB effective
- Lustre parallel file system
- 160 GB local disk per compute node
- 2 × 250 GB local disk in frontend nodes, as RAID1
- NFS
- highly-available server based on DRBD
- used for cluster management
Interconnect
- Infiniband 4x DDR (Mellanox, onboard ) – MPI and Lustre
- Ethernet 1 GB/s – node access and management
- Ethernet 10 Gb/s – crosslinks and uplink
- FibreChannel – storage backends
Power
- UPS (2) – carries infrastructure nodes and network switches
- PDUs – switched and metered
- Power consumption
- peak: 89 kW
- full load (average): 55 kW