High speed performance, recommended if you are planning to work with many simultaneous small files or multiple large files with disk I/O intensiveīy default all of the installed software is not directly available at the command prompt. Non-replicable data, like scripts and suchĮxtension of your home, without backup nor quota and shared data. Inside the cluster there are three main filesets: The cluster front-end “mr-login” doesn’t have direct access to the internet, so in order to connect to marvin from OUTSIDE the PRBB you’ll have to install the UPF’s VPN client. Open a terminal and type: ssh -X (its an upper-case X, lower case x does the oposite) 2.1 Connecting outside the PRBB Install Xming server or any other X-Window server (you will probably need to install a fonts package), run it and when you run putty, go to the left options tree-menu and check: Connection – SSH – X11 – Enable X11 forwarding. If you want to use programs which have a GUI (Graphical User Interface) you will need to do the following : Windows: Install Putty ( ) Type in the “Host name”: type your password and login. The first thing to do is connect to the cluster. In order to get an account, send an email containing your full name from the academic email account where you want to receive any cluster notification to. The OS running in the computing nodes is CentOS 7.x x86_64 The Global Disk Status is divided into three main groups:Īll of them IBM Spectrum Scale. And the disk space available for MARVIN and the nodes are approximately 7.4 TB.
Our system has a total of 27 computing nodes, which all in all sum 720 cores. 1 computing node with 64 cores and 512 GB RAM.
1 computing node with 48 cores and 512 GB RAM. 13 computing node with 32 cores and 256 GB RAM. 12 computing nodes with 16 cores and 128 GB RAM. GNU Parallel: An alternative to job arraysĨ.1 Using a bash script and using the sbatch command 660 TB Parallel FIle System (IBM Spectrum Scale - GPFS).All nodes connect to IBM Spectrum Scale with Infiniband (56Gbs).27 compute nodes with 720 cores an 7.4 TB of RAM.marvin.s.upf.edu frontend and login node.
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