RAL PPD Site Update and other odds and ends Chris Brew.

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Presentation transcript:

RAL PPD Site Update and other odds and ends Chris Brew

Tier 2/3 This Year Large expansion: – 960 extra Job slots – 400 TB more disk Total Now: – 1584 Job Slots – 650 TB of Disk

dCache Urgrade and Reconfig Major dCache upgrade and reconfiguration – Split head node into SRM and dCache Core nodes – Replaced PNFS namespace with chimera – Now at the “golden release” – Simplified configuration One pool per server Individual pool groups for major VOs Minor VOs share “gen” pool groups Quota’d but setting default space tokens Causes problem with space publishing

BigMem Worker Nodes Upgraded 40 WNs to 4GB/core – Supermicro twins, 2xQuad Core CPU so each node has 32GB memory Still setting up but will quickly enable “hidden” 8GB queue on lcg-CEs Will allow 16 or 24GB jobs via Glite-CE when we’ve installed it.

Network Upgrade Installed 10Gb/s Link between R1 Lab 8 and Atlas A5Lower

TWiki Still slightly pre-production – Though some groups already using it Uses grid certificates for authentication

Windows News Domain Controllers and Most Servers upgraded to Windows Server 2008 Windows 7 (64bit Professional) being rolled out on Desktops (and a few Laptops) Home File System now available via WebDAV – On Site, Via PPTP + a few sites that block PPTP

Support Matrix OSDesktopLaptop WindowsFully Supported Mac OS XNot SupportedBest Effort Scientific LinuxSupportedNot Supported Other LinuxNot Supported

Home File Server Failures Had Pair of servers for user files Identical Server + SCSI Raid Shelf Mirrored every few hours with rsync Both failed within a few weeks of each other Now on 2 Old Grid Disk Servers Home Expt - Copy Home - Copy Expt

Power and Cooling Issues A number of Power and/or Cooling related outages – should result in improvements to the 30yr old infrastructure – Moved off an overloaded and failing Sub Station – Had full inspection of test of our electrical Installation – Currently on temporary air conditioning while the plant room is fully refurbished

Next Year New Bastion Host – Host for Mice in place – lockdown is not trivial New Home File Servers – Will look at LVM Snapshots for this Upgrade the core network to 2x10Gb/s Links Explicitly on the Tier 1 tenders for Disk and CPU this year to spend the GridPP Money