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...