Backlinks to UPS in ATLAS Web (Search all webs)

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20080714
Working Schedule for UPS test on July 14th, 2008 The "Plan" This is a rough plan of actions which need to be performed on that day (all times are CEST=UTC 0200) ...
AddNewHostSalt
How to add a new host (salt era) This example will use einstein12 as a sample machine which before was known as ra15. Before you begin, you need to have ssh agent...
AutomaticEnvironmentSetup
Automatic environment setup Introduction After the upgrade to Debian Lenny, we finally offer the psosiblity to automatically set up your environment. This is bei...
BooksForAEIHannover
Books for AEI Hannover Wishlist of books to order for AEI Hannover Library * Robert M. Wald, "General Relativity", Library * Sivia, Skilling, "Data Analysi...
NEW - 06 May 2008 - 14:41 by Repr
Cluster
Cluster HOWTOs * Configuration hints and examples Hardware * Hardware test configurations * ClusterNetwork * Testrack * BIOS * Cluster Hall ...
ClusterHall
Compute cluster racks In each compute cluster rack will be stuffed with 42 compute nodes. Each compute nodes needs: * Height units needed: 1 * Ethernet conn...
NEW - 05 Dec 2007 - 11:19 by Carsten
ClusterMonitoring
ClusterMonitoring Description We need to monitor frequently various values in the cluster. See Ticket here: https://n0.aei.uni hannover.de/tracking/issues/show/...
ClusterUpgrade
Main.HenningFehrmann 17 Oct 2008 Todo installing the new nodes We get 336 new nodes and fill all together 8 Racks EFX recabeling Each TRX has only three uplink...
CondorAccountingGroups
Condor Accounting Groups on Atlas In May 2015, LIGO introduced mandatory accounting groups for jobs running on the LIGO data grid (LDG). As Atlas is part of the L...
CondorConfigUpdate2015
HTCondor configuration updates in 2015 (1) Using cgroups to softly enforce memory and core limits Reasoning In the past, we either relied on users' jobs to obey...
DataSpray
Principle The node number a particular file lives on is determined by its filename: take the first six digits of the md5sum of the name, take this as a hex number...
DistributedFAI
With 1340 nodes it might be wise to split services among many boxes to ensure that not half of the cluster is waiting to a single server to serve data through its...
NEW - 11 Jan 2008 - 15:42 by Carsten
EatHDiskConfigTests
Simple E@H disk layout tests Summary Table with timing results (time in seconds, lower is better): setup md3log z2log/cache zfs3log/cache btrf...
EinsteinAtHomeBackfillWithCgroups
Using cgroups to push backfill into the background apt get update apt get y install boinc client libboinc app7 cgroup bin rsync a n0669:/etc/default/boinc clien...
EinsteinAtHomeMachineHeadCount
Einstein@Home machine head count Please check this list to make migration and finding/cabling machines easier (racks used for these machines should be 79 (water c...
GeneralOverview
For Users * General Introduction for Users * Useful Items * How ATLAS stores files * ErrorMessages and how to fix them (not updated) General Document...
GitmasterMigration
How to migrate from gitmaster to gitlab This document explains how to migrate away from gitmaster.atlas.aei.uni hannover.de to the new gitlab.aei.uni hannover.de:...
HardwareRepair
Main.HenningFehrmann 24 Jul 2008 abstract This page contains detected symptoms and the corresponding hardware problems. It is based on experiences. See the list ...
HardwareResources
ATLAS Hardware Resources And Photo Gallery This is about the hardware resources that ATLAS is based on and related photos Computer node There are 1680 Computer n...
HomeFileSystem
$HOME file systems Where does the data live? We currently have 12 Sun Thumper X4500 which are used to store users' $HOME file systems. The users are distributed ...
IntroductionGeneralPublic
What is ATLAS? ATLAS is a general purpose compute cluster, located in the Albert Einstein Institute for Gravitational Physics, in Hannover Germany, on the campus ...
MonitoringJessieAndBeyond
Monitoring for Jessie and Beyond What do we want/need to monitor (metrics/checks) A list of non exhaustive metrics and checks we we need/would like to have, e.g....
NUTTunnel
NUTTunnel This script should enable you to tunnel UDP connections from .102 to the UPS in the prototype hall: # cat nut tunnel.sh #!/bin/bash # this is ugly ...
NEW - 12 Mar 2008 - 09:06 by Oliver
NodeTests
NodeTests Tasks to do: Initial work (HP) Manual work * Blank disk of node, wipe by: dd if=/dev/zero of=/dev/sda; sync * Put MAC address into DHCP table o...
NEW - 29 Nov 2007 - 18:25 by Sebastian
OpenSolaris
(Open)Solaris Solaris is an operating system desinged by Sun Microsystems. In 2004 it has been open sourced in the OpenSolaris project. * Solaris overview ...
NEW - 14 May 2008 - 22:47 by Sebastian
Placement
Boundary Conditions Racks * Cooling: up to 42*220W = 9.24 kW per rack * Electrical Power: up to 9.24 kW per rack * 42 horizontal and a few vertical heig...
NEW - 20 Nov 2007 - 11:23 by Carsten
RackLayout
Rack layout which racks contained what and when wink Basic information * rack rows are numbered 1 to 10 * Water cooled racks are numbered 1 to 102 * open ...
Rsh
server Install rsh server using rhosts If you want to have a password less access edit in the home directory the $HOME/.rhosts and add the nodes, from which ac...
NEW - 23 Nov 2007 - 15:10 by Sebastian
SMSWarningConditions
SMSWarningConditions This is also a todo list which needs to be implemented. A SMS is send out to a list of numbers whenever a email is send to sms #64;postfixser...
NEW - 22 Apr 2008 - 08:03 by Carsten
Server
Abstract This documentation describes server, the corresponding functions and the location. Table of Server name location function * ip * FAI manage...
ServicesOffered
Services we want/need to offer Please write down a list of services which we want/need to host along with the contact person who requested this and a brief descri...
ShutdownPriority
Shutdown priorities The following list puts priorities on computers, equipment and other items of interest. Computers in racks, which will stay powered up, should...
SpecialIPs
IP Scheme for Servers Special IPs This is an IP Scheme for special IPs. For an IP Scheme of the Management and Data Network, refer here. There are separate tabl...
ToDoUS
PLEASE DO NOT REMOVE ANY ITEM FROM THIS LIST. IF IT IS COMPLETE, THEN PLEASE MOVE IT TO THE END OF THE LIST UNDER "DONE". TO DO ClusterRoom Order fan trays ...
NEW - 26 Mar 2008 - 13:28 by Carsten
Treiberkonzept
Treiberkonzept The university gets alerts and reacts acording to following scheme: smoke alert check the room and inform the MPI in the case of fire of dense s...
Upsmon
Upsmon Working ups monitoring with shutdown. * /etc/nut/upsmon.conf MONITOR comet@localhost 1 monuser monuser master MINSUPPLIES 1 SHUTDOWNCMD "echo '/sbin/...
NEW - 22 Oct 2007 - 06:44 by Shaltev
WebPreferences
ATLAS Web Preferences The following settings are web preferences of the ATLAS web. These preferences overwrite the site level preferences in . and , and c...
WovenTest
Initial set up Nodes o460 o498 (except o467) and nodes o536/o537 are connected to TRX100 1. Nodes o499 o530 and o538 o545 are connected to TRX100 2. Plan: The EFX...
NEW - 30 Nov 2007 - 15:13 by Carsten
X4500-Case38101108
Case ID38101108 X4500 reboots infinitely when jumpstarting with mirror setup We encountered a problem, that when setting up a mirrored system disk during jumpst...
X4500-usermappingscheme
User mapping scheme This is the first idea, it should already work nicely, but we may need to adjust it in the future. Initial user mapping We will start with 10...
X4500FreshInstall
Fresh install of a X4500 Files to add/overwrite to the default installation root root/.ssh root/.ssh/id_rsa # define local key root/.ssh/authorized_key...
X4500_zpoolconfiguration
Possible zpool configurations In the standard setup there are two system disks (either on controller c5 or c6 depending if one installs the box via a USB device ...
Number of topics: 42
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