1. AOSC Computing Facilites

2. System Statistics/Standards Number of Users: 261 Number of public seats: 30 (Instructional Lab: 3428, Lab 1: 3408) Filesystems:137 (150GB – 22TB) VLAN: 1 Gb/sec Operating Systems: Debian Linux, MAC OSX, WinXP, WinVISTA, WIN7 Network filesystem protocol: NFS, SMB Total storage capacity: 721TB Total number of Linux servers: 60 Total number of dedicated clusters (parallel applications): 3 (48 – 192 cores; 198 – 768GB memory) Total number of dedicated application servers for public use: 5 (4 x 8- core; 64 GB RAM; 1 8-core 16 GB RAM) Total number of public printers: 5 (3 B/W, 2 Color Laser printers)

3. Supported Software Analysis / Visualization Packages – IDL, Matlab, GrADS, NCARgraphics Compilers – FORTRAN: Portland, Intel, GNU C: Portland, GNU C++: Portland, GNU Other Programming Environments: Shell, Perl, Python, MPI, Java, MySQL Word Processing: Office (MAC, Win), OpenOffice (Linux), TeX SDF (Scientific Data Formats): NetCDF, HDF, CDF WWW: html, php, javascript, cgi-bin, Firefox, Safari, IE Email: Thunderbird, Pine, Squirrelmail, Apple Mail

4. Important Stuff Remote Access: Virtual Private Network: http://helpdesk.umd.edu -> Softwarehttp://helpdesk.umd.edu Secure Shell/File Transfer: http://www.atmos.umd.edu/~dave -> SSHWin.exehttp://www.atmos.umd.edu/~dave http://helpdesk.umd.edu -> Software -> PuTTYhttp://helpdesk.umd.edu -> WinSCP MAC: builtin ssh/sftp (from a MAC terminal) Host Gateways: aosc-gw.umd.edu, mail.meto.umd.edu, halo-gw.umd.edu Questions/ Problems: email: helper@atmos.umd.edu office: CSS 2425 http://www.atmos.umd.edu/~helper: login/password: aosc/aoschttp://www.atmos.umd.edu/~helper

5. Accessing AOSC computers File servers Home directory server /homes/metofac/homes/metogra Instructional Lab Mac mini Application servers Compute clusters /data/disk /data/disk /data/disk Dedicated application server metosrv8 Lab 1 PCs XDMCP, SSH NFS Personal laptop SMB SSH Campus VPN vpn.umd.edu Remote computer INTERNET SSH Lab 1 MAC minis SSH

6. Evolution of our System to Date 75 GB SCSI150 GB SCSI300 GB SCSI 250 GB SATA400 GB SATA500 GB SATA750 GB SATA1 TB SATA1.5 TB SATA2 TB SATA4 TB SATA File server File server w/RAID File server Single Core 32-bit Single Core 64-bit 2 X Single Core 2 X Quad Core 2 X 6 Core 2 X 12 Core 4 X 16 Core 8 - Bay 12- Bay16 - Bay24 - Bay Filesystem size 50 GB100 GB500 GB1 TB2 TB> 2 TB