HPC/Hardware Details: Difference between revisions
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{| class="wikitable" cellpadding=8 style="text-align:center; margin: 1em auto 1em auto;" | {| class="wikitable" cellpadding=8 style="text-align:center; margin: 1em auto 1em auto;" | ||
|- style="background:#eee;" | |- style="background:#eee;" | ||
! Features !! Count !! Processor !! Cores !! Clock<br>(GHz) !! Memory<br>(GB) !! Memory/core<br>(GB) | ! Features !! Count !! Processor !! Cores !! Clock<br>(GHz) !! Memory<br>(GB) !! Memory/core<br>(GB) !! Disk (GB) | ||
|- align="center" | |- align="center" | ||
| login1 || 1 || Xeon X5355 || 8 || 2.67 | | login1 || 1 || Xeon X5355 || 8 || 2.67 || 16 || 2 || 250 | ||
|- align="center" | |- align="center" | ||
| login5/login6 || 2 || Xeon E5540 || 8 || 2.53 | | login5/login6 || 2 || Xeon E5540 || 8 || 2.53 || 24 || 3 || 250 | ||
|- align="center" | |- align="center" | ||
| gen1 || 144 || Xeon X5355 || 8 || 2.67 | | gen1 || 144 || Xeon X5355 || 8 || 2.67 || 16 || 2 || 160 | ||
|- align="center" | |- align="center" | ||
| gen2 bigmem || 38 || Xeon E5540 || 8 || 2.53 | | gen2 bigmem || 38 || Xeon E5540 || 8 || 2.53 || 48 || 6 || 250 | ||
|- align="center" | |- align="center" | ||
| gen2 || 166 || Xeon E5540 || 8 || 2.53 | | gen2 || 166 || Xeon E5540 || 8 || 2.53 || 24 || 3 || 250 | ||
|} | |} | ||
Revision as of 15:43, October 27, 2010
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User nodes
| Features | Count | Processor | Cores | Clock (GHz) |
Memory (GB) |
Memory/core (GB) |
Disk (GB) |
|---|---|---|---|---|---|---|---|
| login1 | 1 | Xeon X5355 | 8 | 2.67 | 16 | 2 | 250 |
| login5/login6 | 2 | Xeon E5540 | 8 | 2.53 | 24 | 3 | 250 |
| gen1 | 144 | Xeon X5355 | 8 | 2.67 | 16 | 2 | 160 |
| gen2 bigmem | 38 | Xeon E5540 | 8 | 2.53 | 48 | 6 | 250 |
| gen2 | 166 | Xeon E5540 | 8 | 2.53 | 24 | 3 | 250 |
Infrastructure nodes
- 2 Management nodes
- 2 Lustre MDS
- 4 Lustre OSS
- dual socket, quad core (Intel Xeon E5345, 2.33 GHz)
- pairwise failover
Storage
- 2 NexSAN SATAbeast
- 84 TB raw RAID-10; 42 TB effective
- Lustre parallel file system
- 160–250 GB local disk per compute node
- 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