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Hi Huy, We typically do not use local storage on the nodes, so it may be worth investing in a fast disk system for access by all nodes. Not sure about the processors. HTH, Sjors > Dear Sjor and list, > > I am now thinking to buy a small local cluster for data processing. I want > to config an HPC entry cluster manager with RAID storage (64-96TB) and a > 4-nodes (8 CPUs). > > One question that I got from the salesperson is that whether Relion will > write a lot temporarily on the local HDD of the nodes or it will write > directly to the central storage, so that they will get a SSD suitable for > that. Anyone can tell me the answer? > > By the way, is 8 x 10 cores E5-2650 v3 2.3GHz much better than 8 x 8 cores > E5-2640 v3 2.6Ghz in Relion? > > Best regards, > Huy > -- Sjors Scheres MRC Laboratory of Molecular Biology Francis Crick Avenue, Cambridge Biomedical Campus Cambridge CB2 0QH, U.K. tel: +44 (0)1223 267061 http://www2.mrc-lmb.cam.ac.uk/groups/scheres