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Advancements in Scientific Computing and Mass Storage at Thomas Jefferson National Accelerator Facility

This report discusses the latest updates in the computing infrastructure at the Thomas Jefferson National Accelerator Facility (JLab). It highlights the stable operating systems including UNIX, Linux, and Windows, storage solutions featuring RAID configurations and NFS, and the migration of mass storage systems. Key projects like user account synchronization, network security improvements, and production wireless upgrades showcase JLab's commitment to advancing scientific computing technologies while enhancing security and efficiency in data management.

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Advancements in Scientific Computing and Mass Storage at Thomas Jefferson National Accelerator Facility

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  1. Jefferson LabSite Report Sandy Philpott Thomas Jefferson National Accelerator Facility Newport News, Virginia USA Sandy.Philpott@jlab.org 757-269-7152 http://cc.jlab.org HEPiX - JLab, 11/1/00

  2. Central Computing • UNIX • Solaris – stable at v2.6, investigating v8 • HP-UX - 10.20, esp. CAD and MIS • Linux – RH 6.2 – SciComp, desktop • Windows • no physics computing; desktop only • Currently NT 4.0; Single Master Domain • W2000 Pro; beginning to investigate Server • Network Appliance – concurrent NFS & CIFS, user/group quotas, online backups • New F760, existing F760, F630 • /home, /group, /site - same for UNIX, Windows users • /apps - platform-specific • /mail, /db

  3. Experimental Physics Computing • File Servers • 5TB total /work- Metastor– RAID 5 - NFS • 6 TB New Linux /cache servers – RAID 0 • Some problems with stability • 1TB /stage – Metastor – RAID 5 • additional 1TB nStor fibre-channel currently has problems connecting through Ancor switch to our SUN. (?) • Batch Farming • 125 RH Linux dual-processors – 6000+ SPECint95 • LSF licensing/pricing issue resolved • Mass Storage • CA OSM migration to JASmine • STK Powderhorn silo - /mss • 8 Redwoods, 10 9840s, 9940s next?

  4. Central Unix services • Central login systems – • Sun: jlabs1,2 • HP : jlabh1 • Mail servers • Print services • Web servers • Netnews • Central backup services Scientific Computing systems and mass storage Central NT services • JLAB domain controllers • NT print services • Calendar server • Remote Access service Accelerator controls Gigabit and 100 Mbit Ethernet Routing and switching fabric Firewall MIS Computing Workgroup clusters e.g. CAD • Databases – Ingres, • Oracle • Financial, HR systems • and applications • Training, library, etc DMZ Services Workgroup clusters e.g. CAD, DAQ etc Central File Servers • Serving NFS, CIFS to Unix, • Windows and Mac • Home directories • Group areas • Applications area • Site-wide utilities • Web server • DNS • Mail server CUE – Common User Environment

  5. Projects • UNIX/NT Integration • Phase 1 - common password – complete • see “jpasswd” talk by Marty Wise • Phase 2 - User Accounts • Creation, deletion, disabling • Group/Netgroup synchronization • Windows • 2000 Pro production; begin to eval Server • 95/98 support ended June 30 (still domain authentication with patch) • SMS – widespread use • NTLM2 authentication issues - see Tuesday’s talk by Myung Bang

  6. Projects (cont) • X-terminal replacement • Thin-clients - SUN Netras, IBM Linux PCs? Replace BudTool for backups – we require NDMP • Printing environment improvements/rework • Network • Production DHCP • Production wireless – Cabletron • OC3 Esnet upgrade • Security • Continue to remove/isolate clear-text authentication • Enclaves • Manage information from security monitoring and alerts - there’s LOTS! • see talk by Bob Lukens

  7. Projects (cont) • Scientific Computing • see talks by Andy Kowalski and Bryan Hess • Storage solutions - SANs, Linux RAID, IDE • JASmine • Offsite data export • Grid/Mass storage integration

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