Getting a Grid Certificate for ATLAS Use For getting a new certificate or renew a certificate,you can use the CERN CA to request the grid certificate: https://ca....
Grid Certificate Distribution at AGLT2 The certificates in /etc/grid security/certificates are used by the OSG authentication stack. It is a regularly updated, st...
Atlas Great Lakes Tier2 Web How to contact us * For problems, contact us through our signatures here: * Main.WenjingWu AGLT2 Manager and University of M...
General steps to follow on Migrating data from one OST to another 1. Set the source OST in read only status from mds server, if you do not want the files to be mi...
DKMS on Lustre servers spl(required by zfs), zfs and lustre zfs are all using dkms on all OSS to build their kernel modules automatically once the system has a ne...
This is to deploy a test lustre file system, assume all software repository is installed I deploy a test file system on 2 nodes, with lustre 2.10.4, then I will t...
Update Lustre on a testbed from 2.10.4 (SL7.6, zfs 0.7.9) to 2.12.3 (SL7.7, zfs 0.7.13) We are trying to upgrade lustre server from 2.10.4 (SL7.6, zfs 0.7.9) to 2...
How to update OSG and condor ce on gatekeepers The following steps should be first tested on gate03, if it works, then do it on gate01/02 Please note: the gate ke...
Fill the umatlas repository Download the rpms Download the relevant rpms into the umatlas repo from condor repo http://research.cs.wisc.edu/htcondor/yum/stable ...
* InstallUpgradeOSG Modified April 5, 2011, for OSG 1.2.19 install, B.Ball * UpdateOSGOnGatekeeper How to update the OSG and condor ce on gatekeepers ...
Setting up SSH Keys for AGLT2 SSH is able to use a variety of methods for authenticating users. Each method has security strengths and weaknesses. The normal user...
Some info on Oracle setup at AGLT2 * Oracle Installation on linux for the ATLAS Muon Calibration/Alignment centers. * Oracle MuonDB updated (new) schema Feb...
Replacing disk in zpool (potentially with larger disks) ZFS documentation Replacing disk in zpool (potentially with larger disks) Note: use "parted" "mklabel ...
Manuals Cobbler manual: http://www.cobblerd.org/manuals/ For information on the Cheetah template language used in kickstart templates: http://www.cheetahtemplate....
Lustre Basics The Lustre file system is made of three types of servers: the management server (MGS), meta data servers (MDS), and object storage servers (OSS). Ea...
Overview of MSU's Tier3 HTCondor Setup Intro Video for Admins Types of Machines on HTCondor HTCondor consists of three types of machines: submit nodes, worker n...
Configuration of the UM CERN Computing Cluster in BAT 188 In November 2014, the UM CERN Computing Cluster was upgraded to SLC6. Some old hardware was retired, new...
How to update visio 1 Log into senna. 1 Open up a terminal and run the command "rdesktop g 1280x1000 hepwin.pa.msu.edu" 1 Log into this machine with the...
How to update the tier3 rack spreadsheet The spreadsheet that holds all of the rack information is located here. In order to edit this, you will need a google acc...
Workflows for modifying HTCondor configuration When modifying condor there are two broad phases any steps taken can be put into: the testing phase and the impleme...
TOC% This document describes how to install amanda on Centos7, and also connect it to a new tape library EMC ML3. About EMC ML3 It has 2 drivers, It has 32 usabl...
Installing new drives in a login node 1 Check that no jobs are running on the login/submit node and that no users are currently logged on (you can check who is...
Setting up a new login/submit node Hardware 1 Pick a machine that will host the new login node if one has not already been picked. (Discuss with Philippe) ...
Starting HTCondor on a login/submit node To start condor on a login/submit node, do the following: 1 As a super user/root, use the following command: $ service...
Setting up the Bypass Queue The users requested a queue that would bypass the timed queues, i.e., a queue with no limits on it. The agreed upon way to denote such...
Setting up the timed queues The user's requested several timed queues that would hold a job after it had exceeded a certain amount of runtime. These queues each h...
This document describes how user with grid certificate can access the files stored in the AGLT2 dCache system! All files in dCache need to be copied to a local fi...
login to any of the interactive machine(unt3int01 05), run the following commands #localSetupATLAS or run #source /cvmfs/atlas.cern.ch/repo/ATLASLocalRootBase/u...
IDRAC web interace IDRAC web interface can provide the virtual console and the log files of the system. How to access the idrac web interface URL: https://idrac ...
This section is already implemented for new user when the account was setup Protecting SSH Keys (or X509 Certificates) on AFS This section applies to user's with...
Raritan Dominion MSU MSU has a Dominion KX132. This is a 32 port model. In 2008, the Dominion KX series has been replaced in Raritan's line with the Dominion KX ...
This document helps the UM Tier3 users to diagnose their condor job problems. Submitting Machines Tier 3 users can submit their condor jobs from the following ma...
IO with EOS command lines User can access (list and read) files in CERN EOS from non lxplus nodes, without being authenticated. In order to get full permission(wr...
AFS Tape Backups with Amanda Amanda Commands For operations with amanda, you should be the amanda user on bambi: "su amanda". The exception is "amrecover". Her...
The instructions use the c6 1 24 1 (Dell C6420) as an example Switch ports Available ports Look for all the switches for available ports The c6420 nodes need 2 ...
UMATLAS yum repository NOTE: As of January, 2018, sysprov02, an SL7 VM, has replaced sysprov01, and sysprov01 has been shut down. All refs to sysprov01 below have...
Installing and Using X2Go We are dropping the Remote Desktop machine aglt2rd, and replacing it with a Linux machine set, starting with bridge um at the UM site, a...
Installing and Using X2Go for UM T3 Users This page describes how to get the X2Go client software, install it on Windows (explicitly, it will likely also go on a ...
Local AGLT2 Monitors There are many monitors we've implemented. These include both AGLT2 and general USATLAS pages. Summaries * AGL Compute Summary page of Ph...
yum cron Configuration in SL7 Un modified yum cron ALWAYS sends emails upon completion. This is an overwhelming flood given the number of systems we have. We th...
* RebuildComputeNode Rebuilding a ROCKS compute node * RespondToDownNode What to do with a down node * ControlledShutdown How to bring the cluster down nice...
Upgrading Postgresql from 9.5 to 10.5 We want to go to the most recent Postgresql for use by dCache, at least on head01.aglt2.org. Currently Postgresql is version...
Postgresql on ZFS AGLT2 has been running Postgresql on top of ZFS on our head01.aglt2.org (dCache headnode) for more than 1 year. Recently we came across an inter...
Lustre 2.10 with ZFS 0.7.1 from standard repo This page documents building the Lustre 2.10 RPMs on CentOS 7.3 using the default yum install of ZFS 0.7.1. The ste...
Install or Upgrade OSG at AGLT2 The main difference between these instructions and the usual documentation is that we use worker node and wlcg client installation...
Installing Google Chrome on SL7 for use with VMWare * Create the google chrome repo on umt3int05 google chrome name=google chrome baseurl=http://dl.google.co...
HS06 Measurements Performed at AGLT2 We have made a variety of measurements at AGLT2 during September of 2009 in preparation for the upcoming purchase cycle. We p...
Issues Fixed in CFEngine for SL7.3 Upgrade Known Issues Need to limit yum output on overnight updates so that so many Emails are not sent. The update_dell_firmwa...
Notes on setting up and configuring Lustre version 2.7 Index of Sections Source rpms We have chosen to use the kernel distributed with the rpms from the Lustre ...
HS06 Measurements Performed at the Dell Innovations Lab in August/September, 2017 32 bit Results, Summary Machine/Model ChipSet Speed BIOS Settings RA...
Transition from CFEngine v2 to v3, and Build dCache Pool Servers Introduction As documented elsewhere in this Wiki, cfengine2 is currently (Oct 2012) in use to c...
Building Lustre RPMs for a new kernel These are very old (version 1.8) directions When we move to a new kernel on a machine where lustre must also be mounted, ne...
Directions on Draining then Removing a Pool Set pool readonly. Can start drain right away, but will likely miss a few files ssh to admin domain \c PoolManager \c...
Resizing LVM Partitions Some CERN systems were built with little space in /, with the bulk of the space in /home. However, this means HTCondor, that wants at lea...
Numpy and Scipy at AGLT2 The numpy and scipy software packages are in common use at AGLT2, but, the installed versions are somewhat old, having to do with the dea...
AGLT2 Web Preferences The following settings are web preferences of the AGLT2 web. These preferences overwrite the site level preferences in . and , and c...
How to empty all OST on an OSS, then re create the underlying Lustre file systems Motivation The underlying striping for a Lustre OST, as seen in the mail list, ...
Extending LVM Disks on VMware VMs We sometimes have partitions fill during operations and when those partitions are on VMs and using LVM we can easily extend them...
How to Add New Storage to dCache We will look at the example of umfs16, where 12 new pools were added. Following the xfs file system creation, all disks were mou...
Installing a Main line Kernel on Scientific Linux 6.4 or CentOS 7.2 64 bit To install a main line kernel kernel is as simple as putting in place the correct elrep...
Installation and Configuration of Dell MD3460 Storage Basic Hardware This page refers specifically to hardware purchased in August 2016 using RBD 2016 funds. A s...
Manual Replication of Hot Files in dCache Particularly for the Health Check, we need multiple copies of the source file All work is performed in either a browser ...
Upgrading dCache at AGLT2 from 2.10.55 1 to 2.13.23 1 We are upgrading to the next golden release of dCache on February 23, 2016. We have setup CFEngine to have t...
Upgrading Postgresql on CentOS/RHEL/SL with Hot standby Systems This Wiki topic covers upgrading our existing PostgreSQL version 9.3.11 on Scientific Linux 6.7 64...
Video Conferencing Help Asking for help or suggestions Email: aglt2 umich #64;umich.edu 348 West Hall Howto Guides Set outputs for each screen On the "HDMI ...
Recovering from a Lost Pool When we lose a pool we need to do a number of things to recover. Once we determine we have really lost the pool we will need to find t...
Michigan/AGLT2 SuperComputing 2015 Network Demonstrations This year the University of Michigan and AGLT2 are again participating in SuperComputing 2015. The venue...
Replaced Disks That Show "Foreign" Status Such a simple thing, but such a pain. We've all seen this, replace a failed disk in a RAID array with a salvaged disk, ...
Hardware Transition Planning from head01 (old R610) to head01 temp (new R630) We purchased a new Dell R630 to act as replacement hardware for our existing head01 ...
Test results comparing zfs to ldiskfs The tests below run a test Lustre system (mgs umdist10) through its paces, starting with a zfs 0.6.4.2 straight up install...
Setup and Configuration of the AGLT2 MD3820i This details our installation and configuration of our new MD3820i (UMVMSTOR03). We received both units on August 4th...
VMWare Setup and Updates This page should keep track of VMware related setup/updates and information. Update to vSphere 5.1 This section will document the detail...
In order to setup your GRID Certificate, you need to have already completed the initial steps of requesting the certificate, registering for membership in the ATL...
Squid rpm Installation or Update Follow directions at this OSG Twiki page for installing. More directions are available at General CERN Twiki page. Summary step...
Install Postgresql on CentOS/RHEL/SL with Replication for Esmond This Wiki topic covers installing Postgresql with replication to support the Esmond DB. You will ...
Checking out and editing CFEngine policy Some general notes and information Policies are exported from /var/cfengine/policy on umcfe or msucfe. Any directory un...
Using ZFS on Linux for AGLT2 AFS Fileservers Recently ZFS on Linux became available. ZFS has lots of nice features including Copy On Write (COW), data integrity v...
MultiCore Condor Set UP Introduction AGLT2 implements a mix of static and dynamic job slots for MultiCore jobs. At the time of this writing, we use 10 static sl...
Setting up Condor CE Condor CE is a replacement for globus on our gatekeepers. Condor G can still be used to submit jobs to the gatekeeper, but then the JobRoute...
Cleaning Up the srmspacefile Table (SRM Space token Allocations) We recently found out that our srmspacefile table in dcache was inconsistent with our actual spac...
Athena can be tricky to set up and run under your user account. These are some minimal directions to follow. The ATLAS Computing Workbook is chock full of helpfu...
Using OMD and GLPI for AGLT2 We have some nice tools installed to monitor our systems and software (OMD/Check_MK) and track the resolution of problems (GLPI). It ...
Planning Condor Configuration Updates for AGLT2 Now that AGLT2 is running on an SL6.4 OS we can plan on implementing some new features in Condor that will take ad...
HowTo Shutdown a Pool Node While In Production We sometimes need to restart/reboot pool nodes and would like to make this as least disruptive to the production sy...
CPLD Firmware Updates The CPLD has to be updated outside the OS environment using a bootable USB drive or creating a bootable ISO image and uploading the image to...
Useful Links This page will link to many pages useful for day to day administration Monitoring * Ganglia Monitoring * PerfSonar (latency) (bandwidth) * ...
Upgrade Planning for AGLT2 SL5 Systems Introduction We need to upgrade our remaining SL5 systems to SL6 soon. We should use this page to track which systems stil...
Common Tasks This page covers the common tasks for the MSU sysadmin and the privilege level required to perform it. Tier 2 root * Rebuild file server nonroo...
These instructions use scripts and files found on senna at /home/koll/ * indicates step contains drill specific instructions Drill Preparation* * Check that ...
Fixing OMD Setup for AGLT2 Use cases There are a number of issues we are hitting as we try to setup OMD for AGLT2 use. Below are the current list of issues. When ...
User Info for MSU Tier3 Regulations Your usage of the cluster must conform with MSU's acceptible use statement http://www.msu.edu/au/ Privacy The cluster is a m...
Submiting Jobs Often you will find yourself with the need to run batch jobs on Condor. This should be done entirely on the tier3's work/fast disks instead of on g...
Using Pathena to Submit Jobs Once you are logged into the tier3, you need to source the panda setup scripts by doing source /afs/cern.ch/atlas/offline/external/GR...
Condor Monitoring Commands To see view of the available job slots, use the command "condor_status". To see of view of the jobs in the system submitted from your c...
Overview See these URLs for an overview: https://twiki.cern.ch/twiki/bin/view/Atlas/PandaRun https://twiki.cern.ch/twiki/bin/view/Atlas/PandaTools Setup procedur...
Routine Tasks This page will describe the tasks that must be done on a regular basis. Daily * Check email from users / admins / ticketing system / monitoring ...
Hardware Deployment This page will discuss the steps to deploy new hardware in the MSU server room. Preparing for a purchase Determine resource usage * Where...
Startup and Shutdown This page will describe the shutdown and start up procedures for the cluster Unplanned power problems This will be a discussion of how to gr...
Installation of EX9208 Installation steps 1 Lowering of existing junipers At risk, 3 person job 1 Move fiber box 'aside' to the top of the rack, and a...
Some Addresses At U M 198.32.43.193 an interface on Nile All UM Networks and purposes:http://www.itcom.itd.umich.edu/backbone/umnet/Tool to list all known IP ass...
Reworking AGLT2's Logging Setup In upgrading atgrid we have an opportunity to migrate from syslog ng and php syslog ng to something new. The ELK stack (Elasticse...
This page is obsolete Hardware maintenance is now logged at http://glpi.aglt2.org/ MSU Hardware Repairs Until we have a better system, I'm recording hardware rep...
MSU Tier 2 Administration MSU's computing resources make up approximately half of AGLT2. These machines are jointly administrated by MSU and UM. This page will br...
The desire was to set up a local installation of the dq2 tools, eg, dq2_get and dq2_ls. Previous setups used by the UM group did not work for a variety of reasons...
Migrating VMs into ESXI Once VMs are in ESXI, sloshing them between hosts is easy. But moving existing hardware and VMs into ESXI can be a little tricky. VMware p...
KVM at MSU While most of the VM infrastructure resides within vSphere, we want to keep a backup windows install with the standalone client to debug problems with ...
MSU Tripp Lite UPS The storage racks at MSU have Tripp Lite SU6000RT3UHV UPSs. These are 6KVA models. One of the two PDU (power strips) in the rack is fed from ...
Running a single command on condor runcommand.sh is a script for submitting a single line to be executed on the MSU tier 3 without having to mess around with cond...
Using "Monit" for Monitoring and Repairing AGLT2 Services NOTE: THIS PAGE IS NOW MOSTLY OBSOLETE, WITH MONIT INSTALLED VIA CFENGINE The monit application monitors...
Setup and Configuration of USATLAS Tier 3 Queue Background To assist Fred Luehring in testing remote, Tier 3 job queues for USATLAS, we have set up a test PanDA ...
Condor Batch System This is the main page for administrative info about the Condor batch system(s) in use at AGLT2. User info is at CondorUser. A description of t...
Shutdown/Startup procedures for AGLT2 Clusters Procedures to cleanly bring All AGLT2 activity to a halt * service cfengine3 stop * This prevents changes...
Job Queing at Michigan State NOTE: THIS PAGE IS PRETTY MUCH OUT OF DATE The queing system at Michigan State has not yet been established. Job Queing at the Unive...
AGLT2 Compute Node Health Assessment Utilities General Goals These compute mode health assessment utilities were designed to assist in managing the AGLT2 compute...
Cluster Control This is the main page for information about the Cluster Monitoring and Control tools. At this time, the state of two conditions is maintained an m...
Setting Up OMD on AGLT2 Systems Monitoring for AGLT2 has used lots of different software: Ganglia, Syslog ng, Cacti, Nagios, Shinken, Rancid, Monit/MMonit, OpenMa...
Proof on demand Quick start This section briefly describes how to setup a proof on demand system. Follow these steps: * Setup a root version or skip this step...
Creation of gate04.aglt2.org, the SL6 gatekeeper Core dump style... Not bothering for now to make this pretty, just recording the actions taken 2 cd /etc/yu...
NB, condor is now in umatlas repo, and it along with yum priorites are now installed via cf3 epel should be installed as well root@gate02 ~ # cat /etc/...
The PanDA Auto Exclusion process for ANALY_AGLT2 Introduction Procedures here were documented by D. van der Ster in this talk. To see this you will need a CERN ...
Procedures followed to bring gate03 online as a test gate keeper NOTE: This page is changing as the procedures and tests evolve. This note will be removed once te...
Controlling the ATLAS Queues, and the pilot rate Much of the basic command structure is documented in this document. There is also a newer document about setting...
APC Hardware This page will describe maintanence tasks and miscellanous information on the APC hardware used in the MSU server room (PDUs and Rack Air Removal Uni...
Update Kerberos on our Servers The kerberos servers were installed long ago when DES was the primary encryption. We need to change to using newer more secure algo...
AGLT2/Dell.OmreportOmconfig There is a Dell ROCKS Roll, do we want that? AGLT2/Dell.DellOrderStatusMSU check status of a Dell order for MSU AGLT2/Dell.DellService...
OpenAFS and Kerberos on Windows Software prerequisites Kerberos for windows. The current release of OpenAFS 1.7.4 recommends the Heimdal Kerberos implementation. ...
Notes on upgrade of Lustre to 2.1.6 from 1.8.4 With the implementation of SL6.4 everywhere it became necessary to also upgrade Lustre from 1.8.4, which was not re...
Configuring new storage This page describes how to configure newly purchased storage. 1 Start server 1 At BIOS prompt for storage controller setup, press Ct...
Bi weekly AGLT2 site meeting notes Thursday, June 26, 2008 See SecurityPlanning Security Notes Need to check syslog ng configuration for all hosts and base on mo...
Upgrading from GPlazma1 to GPlazma2 on dCache 2.2.12 In preparation for upgrading to dCache 2.6 we need to reconfigure our dCache GPlazma configuration to go from...
Updating and Upgrading dCache Headnodes for AGLT2 June 2013 The dCache headnodes head01.aglt2.org and head02.aglt2.org were transitioned to VMware VMs in 2012. As...
Index of other pages ForemanPuppetInitialSetup unorganized notes from initial setup. Mostly you won't need these. HOWTO: Build new host with foreman Mostly se...
Puppet Infrastructure Setup from our repo: To bootstrap foreman and puppetmaster from our svn code: Initial setup notes Installed from puppetlabs repo: http://y...
Using Slony to Replicate dCache Postgresql DBs We have been running postgresql 9.0.x on our dCacheheadnodes for almost two years. Currently we have have the follo...
The AGIS System and Changing SchedConfig Parameters at AGLT2 Why AGIS Information about changeover to AGIS came in this Email of 2/28/2013 Ladies and gentleme...
MSU Raritan sh /usr/local/Raritan/Raritan MPC/5.0.3.5.36/start.sh The first time running it, you will need to tell this client where the KVM is: create "new prof...
Proxy server This system has no access to outside world, and in general systems can't talk to non edu locations. To be able to download things, use proxy server. ...
Configuring to PXE boot Servers from the Rocks 5.5 HeadNodes From Ben on 10/10/2012, the following procedure can be used to PXEboot a machine into SL6 via Rocks 5...
ROCKS This is the main local page for the ROCKS cluster software. Subpages: * BuildingRocksRolls * RocksAglReleases Notes on configs used in production ...
How to add a new pool node to dCache/Chimera * Provision node via ROCKS (or other method) * Install correct kernel (if not done above): currently 2.6.38 UL5...
Lustre Backup Following: http://wiki.lustre.org/manual/LustreManual18_HTML/BackupAndRestore.html Snapshots On umfs15 there are regularly scheduled hourly and dai...
Lustre Configuration and Setup for AGLT2 In March 2010 we revisited our exploration of Lustre for use at AGLT2. This was motivated in part by the release of Lus...
VMWare vSphere Upgrade at AGLT2 In September 2012 VMware release a signficant upgrade to vSphere: 5.1. There are a number of nice features that we want to benefit...
Network Issues at AGLT2 This page is intended to capture the network related issues at AGLT2 Network Issues after UltraLight Router at Starlight (R04CHI) was Ret...
SVN repository: insert repository here How to use and usage pointers: insert things here Notes on CalibDataClass and structure of script: notes here Creating dev...
Implementing Network QoS at AGLT2 Recently we have seen periods where our LANs have been congested and packets are dropped. This has resulted in some of the monit...
Testing Glusterfs For testing purposes only we used the Redhat Storage Appliance demo which has gluster tools pre installed. Docs are here: http://docs.redhat.com...
Operational notes Setup zfs filesystems and quotas for users Mkdir as usual: mkdir /atlas/data19/bmeekhof chown bmeekhof:umatlas /atlas/data19/bmeekhof Set quota...
Tests of ZFS on SunX4540 running FreeBSD 9.0 For setup notes see SunX4540ConfigFreeBSD For nearest comparison of similar system running Solaris see BenchmarkOnX4...
MDTChambers MDT status application Application public link (CERN login required): https://atlasop.cern.ch/atlas point1/muon/MDTchambers/ Following are some i...
Hardware notes here...little to say about setup. As the manual also says, hit appropriate keys during boot and configure the management/IPMI card using an exter...
IO performance test with tuning (reset readahead) Here are some IO performance (we focus on the tow IO patterns :read and write)test with tuning of the readahead ...
All these test are run by IOZONE, and the max file size are set about twice of the RAM size of each server. IOZONE parameters: a run a automatic model R generat...
Benchmark On 2950 (tunning at the kernel Level) the basic information of the system2950 basic info basic device configuration For the following tests, the basic...
Benchmark On 2950 (tunning at the kernel Level) the basic information of the system2950 basic info basic device configuration For the following tests, the basic...
* X4500 iozone results: (full test and output in attached zipfile) /opt/iozone/iozone Rb run1.result P 0 s 33357824k r 512k l 1 u 12 F /zpool1/tmp1 ...
This is now obsolete thor01 now runs FreeBSD. See SunX4540ConfigFreeBSD. Zpool configuration Destroy existing pools (pool1 through pool4): zpool destroy pool1 T...
Installation, Setup, and Usage reference for Sun hardware and Solaris SolarisOnPE2950 Installation of Solaris 10 (08/07) on umfs11 SunX4540ConfigFreeBSD In...
Info about actually using the 4540 is at SunX4540ConfigSolaris Migrating pre installed X4540 Solaris 10 to boot from flash drive NOTE: There's probably no need ...
Basics steps to install dCache First, install a package from dcache.org. As of this writing we run on 1.9.4 3. cf.dcache in cfengine can manage config files for ...
Tier3 for Users For information on using ATLAS software please see this section of our index page: WebHome#AGLT2_User_Information Information here includes how to...
DNS in ROCKS References: * http://rscott.org/dns/ DNS Oversimplified This page written for ROCKS 4.3 with the update given below. ROCKS will manage the config ...
Building Rolls ROCKS includes the roll mechanism for packaging software for distribution. A detailed developer guide is available, it contains all the info I nee...
Setting up Geant4 A 64 bit gcc 4.1.2 Geant4 installation for SL5 is located at /afs/atlas.umich.edu/opt/geant4. All available data packages are included. For a li...
Dark Sector Event Generation This section describes getting Itay Yavin's dark sector event generation files into a format usable for ATLAS simulation. Itay's cod...
Using CVMFS at AGLT2 General Information CVMFS is a new method of distributing ATLAS software that relies on using central repositories of software on servers lo...
Notes on Building ShawnGenerator Below are the series of steps I used to create my "ShawnGenerator". This generator is based upon source code from Loek Hooft va...
WLCG Accounting for Tier 2 Sites This page contains some plots showing WLCG Tier 2 accounting results for Tier 2's worldwide. Currently the plots are only availa...
VMware perfSONAR Plots for Debugging Network Issues As part of AGLT2's VMware setup, we have created three ESX host specific perfSONAR instances running OWAMP (on...
Setup and Configuration of the AGLT2 MD3600i July 25, 2011 This details our installation and configuration of our new MD3600i (UMVMSTOR02) plus MD1200 shelf. W...
Intro Here are listed releases or "tags" of the ROCKS installation. Issues with each can be added here. Summer 2011 making an attempt to maintain this page go...
UMVM0x (ESX) Network Reconfiguration June 2011 The details about the network changes on the UMVM0x nodes are below organized by host with before and after NIC/por...
Building a ROCKS client worker node Build Server Status The software revision for ROCKS and CFEngine that are active on the ROCKS frontend are shown here, the ne...
Evaluation and testing of Nexsan SATABeast with B60E expansion Unpacking and Installation See photos and some comments here: https://picasaweb.google.com/ben.mee...
This page is OBSOLETE All site services now run at BNL. AGLT2 DQ2/DDM Verification and Debugging One of the central tasks for our Tier2 is to support a DQ2 ser...