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RHUL LCG Site Status Report

RHUL LCG Site Status Report. Grigori Rybkine ( Grigori.Rybkine@rhul.ac.uk ) Simon George ( S.George@rhul.ac.uk ) Barry Green ( B.Green@rhul.ac.uk ) Sukhbir Johal (Sukhbir.Johal @rhul.ac.uk ). RHUL LCG 2 Site. 75 (2 procs, 1G mem, PIV) node farm on a private network

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RHUL LCG Site Status Report

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  1. RHUL LCG Site Status Report • Grigori Rybkine (Grigori.Rybkine@rhul.ac.uk) • Simon George (S.George@rhul.ac.uk) • Barry Green (B.Green@rhul.ac.uk) • Sukhbir Johal (Sukhbir.Johal@rhul.ac.uk)

  2. RHUL LCG 2 Site • 75 (2 procs, 1G mem, PIV) node farm on a private network • OS: Red Hat Enterprise Linux AS release 3 • farm master node with torque 1.2.0 server • OS: Red Hat Enterprise Linux AS release 3 • Storage: 3 PCs 3x2.7 TB RAID5 • LCG 2 front nodes: CE, SE, MON • OS: Scientific Linux CERN Release 3.0.4

  3. Upgrade to LCG 2.4.0 (1/2) • installed and configured with yaim • CE • on a different node from the farm master node, client of it • made use of the wiki recipe • some more tweaking on the CE and the farm master node • SE • NFS-mounts the storage space • MON • OS: Scientific Linux CERN Release 3.0.4

  4. Upgrade to LCG 2.4.0 (2/2) • WN • the file system in a slave-image directory on the farm master node • OS: Red Hat Enterprise Linux AS release 3 • for installation needed to use up2date • configured with yaim

  5. Problems and Solutions (1/2) • perl-TermReadKey-2.20-12.i386.rpm not available from the rhel-i386-as-3 repository • added from SLC3 by hand • ares-devel-1.1.1-cel3.i486.rpm from http://grid-deployment.web.cern.ch/grid-deployment/gis/apt/LCG-2_4_0/sl3/en/i386/RPMS.lcg_sl3 has conflicts with package filesystem-2.2.1-3 (installs /usr/include, /usr/lib, /usr/man) and up2date would not install it • had to install by hand

  6. Problems and Solutions (2/2) • similarly, had to install by hand: • mm.mysql-2.0.14-1edg.noarch.rpm • commons-cli-1.0_beta2_edg-2edg.noarch.rpm • jakarta-axis-1.1rc2-3.noarch.rpm • they install /usr/share/java coming from libgcj-ssa-3.5ssa-0.20030801.48 by Red Hat • the rest installed with up2date not using GPG to check package signatures • CGSI_gSOAP_2.3-1.1.3-2_sl3, CSEC-1.1.3-1_sl3 install files into /usr/local which WN NFS-mounts from the farm master node • had to install them on the farm master node too

  7. Suggestions • It would be a good idea for LCG rpms to be signed with a GPG signature, in particular, for those with Certification Authority Configuration files. Also, not to provide badly made rpms. • yaim install step only configures apt and makes use of it. It would be helpful, in the yaim manual, to have short insructions on how to use yum, or up2date instead of this step. • yaim configure step configures everything. Sometimes at least, one thing needs to be (re)configured. (For example, grid queues on the farm master node were created after configuring CE. It turned out there is only one globus file where to add their names.) It would be convenient, in the yaim manual, to have concise instructions on how to reconfigure a part of the whole system.

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