{"id":5360,"date":"2020-02-28T13:15:35","date_gmt":"2020-02-28T13:15:35","guid":{"rendered":"https:\/\/research.reading.ac.uk\/act\/?p=5360"},"modified":"2020-02-28T14:46:20","modified_gmt":"2020-02-28T14:46:20","slug":"racc-nodes","status":"publish","type":"post","link":"https:\/\/research.reading.ac.uk\/act\/racc-nodes\/","title":{"rendered":"RACC nodes"},"content":{"rendered":"

RACC nodes and partitions (queues)<\/h1>\n

Service node VMs
\n<\/u><\/h2>\n

cluster-head: batch scheduler (Slurm), cluster head
\nracc-login: login node load balancing and gate keeping (Gridengine)
\nracc-cron: user cronjobs<\/p>\n

Shared login nodes for interactive work
\n<\/u><\/h2>\n

5 login nodes: racc-login-0-[1-5]<\/h3>\n

3 blades in FX chassis (chassis shared with NX nodes)
\n2 servers in DSS7500 chassis + 2 x 150 TB of scratch storage
\n16+ decent cores, 256 GB RAM<\/p>\n

Free partition \u2018cluster\u2019<\/u><\/h2>\n

Logical rack 0: \u00a0compute-0-[0-10]<\/h3>\n

11 Dell PowerEdge C6220 (3 x 4-way chassis, one blade faulty)
\n2 x Xeon E5-2650L 1.80GHz
\n16 cores, 96 GB RAM<\/p>\n

Logical rack 1: compute-1-[0-12]<\/h3>\n

13 1U X8 Supermicro nodes
\n2 x Xeon E5620 2.40GHz
\n8 cores, 48 GB RAM<\/p>\n

Logical rack 2: vm-2-[0-23]<\/em><\/h3>\n

Nutanix VM nodes – not used anymore<\/em><\/p>\n

Logical rack 3: compute-3-[0-5]<\/h3>\n

6 1U X9 Supermicro nodes
\n2 x Xeon E5-2620 \u00a02.00GHz
\n12 cores, 96 GB RAM<\/p>\n

Logical rack 4: \u00a0\u00a0compute-4-[0-4]<\/h3>\n

5 1U X9 Supermicro nodes
\n2 x Xeon E5-2630 \u00a02.30GHz
\n12 cores, 96 GB RAM<\/p>\n

Logical rack 5: compute-5-[0-6]<\/h3>\n

7 1U X8 Supermicro nodes
\n2 x Xeon X5690\u00a0 \u00a03.47GHz
\n12 cores, 96+ GB RAM<\/p>\n

Logical rack 6: compute-6-2<\/h3>\n

1 1U X9 Supermicro nodes, new node, less than 3 years old \u00a0(other nodes are project partition)
\n96 GB, 20 cores<\/p>\n

Logical rack 8: compute-8-[0-3]<\/h3>\n

4 4U X9 Supermicro storage servers
\n2 x Xeon E5-2630 \u00a02.30GHz
\n12 cores, 128 GB RAM<\/p>\n

Logical rack 9: compute-9-[0-5]<\/h3>\n

6 4U X9 Supermicro storage servers
\n2 x Xeon E5-2695v2 2.40 GHz
\n24 cores, 128 GB RAM<\/p>\n

Logical rack 12: compute-12-[0-5]<\/h3>\n

6 1U Dell PowerEdge R610 nodes
\n2 x Xeon X5675 3.0 GHz
\n12 cores, 96 GB RAM<\/p>\n

Free partition ‘gpu’: <\/u>gpu-0-0<\/h2>\n

Nutanix VM with 4 GPU devices (1 x Tesla M10)<\/p>\n

Free partition ‘limited’
\n<\/u><\/h2>\n

Time limited access to idle project nodes.<\/p>\n

Project partition \u2018project\u2019 (legacy Met projects, shared)<\/u><\/h2>\n

Logical rack 6: compute-6-[0-1,3-5]<\/h3>\n

5 1U X9 Supermicro nodes, new nodes, less than 3 years old
\n16+ cores, 96+ GB, assorted CPUs<\/p>\n

Project partition \u2018CompBio\u2019 (project exclusive)
\n<\/u><\/h2>\n

Logical rack 7: compute-7-0<\/h3>\n

1 4U Dell PowerEdge R940xa
\n4 x Xeon Platinum 8268 2.90GHz + 1 Tesla V100 GPU
\n96 cores, 768 GB RAM<\/p>\n

Project partition \u2018polymer\u2019 (project exclusive)
\n<\/u><\/h2>\n

Logical rack 7: gpu-7-[1-2]<\/h3>\n

2 2U Dell PowerEdge R740
\n2 x Xeon Silver 4215 2.5 GHz + 3 x Tesla T4 GPU
\n16 cores, 128 GB RAM
\n(some maths-cluster GPU nodes will be added)<\/p>\n

Planned project partition (shared)<\/u><\/h2>\n

A node will cost around \u00a36900 + VAT, and will be supported for 5 years<\/p>\n

1U Dell PowerEdge R6625 (or a 4-blade chassis can be considered, but is more expensive)
\n2 x AMD EPYC 7402 2.8 GHz
\n48 cores, 512 GB RAM<\/p>\n

 <\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

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