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AptProxy
Apt proxy Category:Linux The apt proxy is running on n0, reachable via 192.168.0.1 or 130.75.117.77 both at port 9999 To Use it, add to your /etc/apt/sources.list...
NEW - 19 Jul 2007 - 12:47 by MatthiasLInden
ArecaTest2
Areca test 2 * first see areca_test_1 Abstract check if the controller repair the drive while reading bad sectors HDD prepare * use the same setup like in...
NEW - 02 Feb 2008 - 11:04 by Shaltev
ArecaTest3
Areca test 3 Abstract check if the controller does auto rebuild Test steps * there was a running rebuild, so i first powered off init 0 * the drive in r...
NEW - 02 Feb 2008 - 11:04 by Shaltev
ArecaTest4
Areca test 4 Abstract confirm that the controller automatically repair bad sectorts, without need of manual volume check Test steps * turn off the storage ...
NEW - 04 Feb 2008 - 09:43 by Shaltev
AtlasBoincCondor
Atlas Boinc Condor Scheduling As Condor's fetchwork does not seem to work with dynamic slots, we are working on our own "scheduling" system for BOINC Initial tho...
AtlasTour
Small tour of Atlas Atlas is a computer cluster situated in the basement of a university building near the Max Planck institute in Hannover. Since the ceiling is ...
Automake
Automake The GNU Automake and Autoconf tool exist to generate the configure and makefiles needed to compile from source. This is mostly the case when the source i...
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...
Benchmarks
Benchmarks General description For the Leistungsbeschreibung of the Morgane cluster in 2006, we compiled a statically linked benchmark program which can be found...
NEW - 23 Jul 2007 - 13:21 by Carsten
BuildFarm
How to create a build farm. Installation/Preparation Install the necessary base packages sudo aptitude install pbuilder cowdancer reprepro rebuildd * pbuild...
Channelbonding
Category:Kernel Category:Network Finally the Channelbonding Documentation has been rewritten. I hope its new structure helps answering the questions! Some illustr...
NEW - 09 Apr 2008 - 12:21 by Carsten
Checkinstall
Checkinstall Checkinstall is a tool to easily generate a debian package from a source tree. To use checkinstall, simply substitute the command with "make install"...
CiscoIPX
Cisco IPX Category: Network The first step is to gain the Cisco device an ssh connect, we must connect with the blue(!?) Console Cable with the one side to the PC...
CleanLocalScratch
Clean the local scratch space Sometimes you want to get rid off all temporary stuff you left on any compute node (e.g. you just finished a big search, all results...
ClusterFileSystem
Cluster File Systems A long list of what file systems are available can be found on Wikipedia, for us these file systems seem to be interesting enough for further...
ClusterGuide
Common guide lines for cluster usage This document describes common pitfalls and guide lines when using a large computing cluster. Some of the details are specifi...
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/...
ClusterRoomCleaningSchedule
Cluster room cleaning schedule This page is about keeping all cluster related rooms in an orderly state, if you have suggestions for modifications, please contact...
Condor
Condor Condor High Throughput Computing System is a software framework for managing workload on a cluster of computers. It is some kind of batch system, that di...
CondorBoincDynamicSlots
Condor, BOINC and dynamic slots As Condor's dynamic slots don't yet mix with "fetch work", we build the system around a dedicated, cron based system running on a ...
CondorDagManHowTo
Brief Condor dagman HowTo This small article will not get into any depth what DAGs are and will also not explain the terminology of Condor's dagman, for this plea...
CoolingSystem
Description Observations low load on the system 1. When the cooling system (DC4200 and Rack) are set to 'auto' on most of their switches and the thermal load...
NEW - 14 Feb 2008 - 16:33 by MatthiasLInden
CustomPackageComputerdb
Quellpaket computerdb Binärpaket computerdb Description The atlasdb/coputerdb to monitor the nodes. Dependencies ruby Maintainer Henning Perl Alexander Post ...
CustomPackageLmSensorsConfigAtlas
lm sensors config atlas Description configuration for lm sensors for the atlas cluster Will install config file '/etc/sensors.conf' and add kernel modules to '/e...
CustomPackageScam
Source Package scam Binary Package scam Description: Simple Cluster Administration Management A Web application to manage and administer a cluster Dependenci...
CustomPackageUpdateSensors
Quellpaket update sensors Binärpaket update sensors Description Updates the database if sensor values change This package provides the infrastructure. Dependen...
DataServer
Main.CarstenAulbert 05 Jun 2008 Data Servers Currently we have 30 data servers up and running. Within the cluster you can get these file areas automounted via /a...
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...
DebianPackagingStatus
NOTE: these are the Debian PACKAGE MAINTAINER pages! If you are looking for USER instructions to install LSCSoft on Debian, please visit https://www.lsc group.p...
Dhcp
Dhcp Category:Howto Read the man page of dhcpd.conf and edit /etc/dhcp3/dhcpd.conf . It can happen that a clie...
NEW - 19 Jul 2007 - 06:39 by Fehrmann
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
DistributedFilesystems
Distributed/clustered file systems This page should summarize what scenarios such file systems could fulfill within Atlas and what we expect from it. Properties s...
r5 - 30 Jun 2014 - 09:45 by OliverBock
DocumentationOnMakingFakeDataContainingSignalsFromPulsarsInTightBinaries
Documentation on making fake data containing signals from pulsars in tight binaries 1. REDIRECT Making fake data containing signals from pulsars in tight binar...
EFX1000
Category:Network Category:WovenSystems This Page is about our ATLAS.CoreSwitch. You might also want to read the TRX page. Configuration access serial not wor...
Ethtool
Category : Network ethtool is used for querying settings of an ethernet device and changing them. Usage ethtool y ethX ethtool Y ethX ... Lowercase paramet...
NEW - 07 Dec 2007 - 12:50 by MatthiasLInden
FAIInstallation
FAI Installation Category:fai Fai Installation at the Max Planck Institute This command install FAI with all dependences..!!! aptitude install fai quickstart P...
NEW - 05 Jul 2007 - 10:49 by MatthiasLInden
Fai
Category:fai FAI is short for "Fully Automatic Installation". Installation List of important Files * /etc/fai/make fai nfsroot.conf add location of the Image...
NEW - 30 Nov 2007 - 13:33 by Fehrmann
Fdisk
What is fdisk? fdisk is a command line partition manager available for a lot of platforms. Usage general fdisk l Lists the partition table fdisk /dev/...
FirstTestComputeNodes
These items need to be fixed * mcelog needs to be installed and evaluated * maybe the former two and smartctl can be integrated into single script (Carsten ...
NEW - 09 Jan 2008 - 08:22 by Carsten
FirstTestLVCompute
FirstTest LV compute The following items need to be checked for compute nodes (please add your name to the test you have performed). If you need much more space p...
NEW - 08 Jan 2008 - 08:56 by Carsten
FirstTestLVStorage
FirstTest LV storage The following items need to be checked for compute nodes (please add your name to the test you have performed). If you need much more space p...
NEW - 04 Jan 2008 - 10:16 by Carsten
FirstTestStorageNodes
These items need to be fixed * temperature monitoring needs be set (much higher) 55C at least * mcelog needs to be installed and evaluated * maybe the fo...
NEW - 28 Dec 2007 - 11:04 by Carsten
FlatFstatMetric
Flat Fstat Metric LOGBOOK 15:48, 16 March 2008 (CET) Problematic result of old FstatMetric code is seen by running compareMetrics.m, and plotting the result usi...
NEW - 16 Mar 2008 - 18:29 by Repr
FlowTools
Flow tools Category:Network flow tools contains some nice tools to measure network performance. Tools flow gen flow gen generates data that can be piped to flow...
NEW - 17 Jul 2007 - 18:14 by MatthiasLInden
FortinetTroubleShooting
This side contains a list of discovered network problems, corresponding tools and possible solution. Wrong MAC address port assignment symptom The node is not...
GangliaMonitoring
How to monitor the current usage of LSC clusters or Atlas? There are two nice web pages summarizing these information. First of all there is watchtower which is a...
GangliaPatch
A problem with the webinterface of the ganglia monitoring service is that really every single is shown at the first page. This can be really annoying in a big clu...
GeneralOverview
For Users * General Introduction for Users * Useful Items * How ATLAS stores files * ErrorMessages and how to fix them (not updated) General Document...
Grsecurity
Grsecurity Category: Kernel Grsecurity provides a kernel patch to enable additional security features. * constrains the write accsess in the kernel space ...
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 ...
HsmSolaris11Update
HSM upgrade Current status 2014 02 01T12:33Z: samfsdump/final backup stopped due to too many non archived files. Rushing to archive those as fast as possible. 20...
IPMI
IPMI stays for Intelligent Platform Management Interface http://en.wikipedia.org/wiki/Intelligent_Platform_Management_Interface Issue IMPI has various purposes I...
IPScheme
IP Scheme The goal is to create a scheme which eases daily life. IP mapping should be more or less straightforward and extensible. For servers look at: * indi...
Initrd
Category:Howto What is initrd ToDo A few hints on initrd The Script that is executed after Startup is located /usr/share/initrd tools/lnuxrc Runlevel? Files,...
NEW - 25 May 2007 - 14:03 by MatthiasLInden
InstallScript
Install script Category:Installation The install script, as of friday, may 25th 2007 #!/bin/bash export IMAGE_NAME=system image.tar.bz2 cd /tmp echo get...
NEW - 26 May 2007 - 20:46 by MatthiasLInden
Installation
Category: Installation autonomous installation debian creating a package list In order to use a package list of a good installed node type dpkg get selectio...
NEW - 25 May 2007 - 13:05 by MatthiasLInden
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 ...
IntroductionUsers
Atlas basic usage guide First things first Be nice to others, others should be nice to you as well :) Please read this aloud: I will be nice to other users, and ...
JessieUpgrade
Cluster upgrade to Debian 8/Jessie We plan to use this page for keeping a record of where we are with respect to our full cluster upgrade to Debian Jessie. Curr...
KeepX509CertificateAliveAfterLogout
Keep your X.509 certificate alive after logging out of the cluster On some occasions one needs a valid grid proxy to access data, query the file database using LS...
LDRInstall
LDRInstall LDR on X4500 (Solaris, not working right now) LDR on Linux box
NEW - 11 Dec 2007 - 08:52 by Carsten
LinuxChannelbondingVLANworkaround
A introduction to Channelbonding can be found here. Description Why? Round robin is the only way to get more than the speed of a single interface for a single T...
LiveSystem
We have a pxe bootable live system to examine a node without touching the system on the harddrive. It is basically a self made chroot environment. usage * st...
LocalScratch
Local scratch on nodes local partitions Storing data locally on the nodes is possible everywhere. Please remember you are free to log into any node manually (rsh...
MTAOnNodes
MTA on nodes Following are some MTA candidates for nodes nullmailer Nullmailer is a replacement MTA for hosts, which relay to a fixed set of smart relays. It is ...
MainPage
Main Categories * 24 Hour Test * Hannover LSC LOC * Cluster * Globus Grid Software * Tips Tricks * Stundenzettel * Internal:Main Page...
MassCp
Location The script is currently only placed on atlas1.atlas.aei.uni hannover.de. Syntax /usr/local/bin/masscp The script has to be started with the path informa...
Minicom
minicom s For a guided Configuration. Visit Serial port setup an set Serial Device to /dev/ttyS0. Usefull for ProCurve2900
NEW - 11 Sep 2007 - 13:22 by MatthiasLInden
NFS
Category: Network NFS stays for Network File System. The available manuals are sufficient. If it does not work after following the instructions, it may help to r...
NEW - 17 Oct 2007 - 07:52 by MatthiasLInden
NIS
NIS Developed at SUN as "Yellow Pages" (see name of commands,configuration files) is a client server directory service protocol. Visit a NIS HOWTO Configuration ...
NEW - 13 Mar 2008 - 09:05 by Fehrmann
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
Netboot
Netboot This is a simple description how to boot over a network using kernel on the remote server. Server side configuration To proivde net boot capabilities, yo...
Netcat
Netcat Category:Network Netcat is a tool to generate network traffic. Send nc p sourceport destipaddr port and Recive nc l p listenport sourceipaddr port ...
NEW - 18 Jul 2007 - 20:24 by MatthiasLInden
Netperf
Category : Network Overview NerPerf consists of two programms: * netperf, a command line tool to generate network traffic to a host * netserver, the daemon...
NEW - 05 Oct 2007 - 11:29 by MatthiasLInden
NetworkFoundryLayout
Category:Network Networking Layout for Foundry RX32 Switch The Switch The Foundry Networks switch RX32 (BigIron RX Series Switches #91;6 #93;) has 32 slots, whi...
NEW - 18 Sep 2007 - 15:11 by MatthiasLInden
NetworkTest
Category :Network Network Testing To ensure maximum network performance, we ran several tests. First only with a cable running between two nodes then with one or...
NEW - 31 Jan 2008 - 16:57 by Carsten
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
PlannedWork
Planned downtimes This page summarizes planned/on going work within the Atlas cluster along with a few details. Usually, we will issue condor_off peaceful at lea...
Postfix
Category:Linux What is Postfix? Postfix is a mail transfer agent (MTA), a program for the routing and delivery of mail. Mails to be delivered on the local machin...
NEW - 28 Nov 2007 - 09:48 by Xm
ProCurveSwitch1800
ProCurve Switch 1800 Specification Visit http://www.hp.com/rnd/products/switches/ProCurve_Switch_1800_Series/overview.htm for more detailed information on the 18...
ProCurveSwitch2900
ProCurve Switch 2900 Specification Visit http://www.hp.com/rnd/products/switches/ProCurve_Switch_2900_Series/overview.htm for more detailed information on the 29...
ProcCpuinfo
Proc/cpuinfo Category:CPU Running cat /proc/cpuinfo reveals some information on the CPU, e.g. 1. cat /proc/cpuinfo processor : 0 vendor_id : Genu...
Rack
Category: Rack Rittal rack design The water cooled Rittal racks are composed of two rack units sharing one Liquid Cooling Package LCP . The racks are on the rig...
NEW - 23 Jan 2008 - 17:51 by MatthiasLInden
SMART
"S.M.A.R.T" is for "Self Monitoring, Analysis and Reporting Technology". The SMART protocols stores disk sensor values and event counters on a special area of the...
SNMP
SNMP http://en.wikipedia.org/wiki/Snmp Standard tools: snmpwalk, snmpget/set mrtg Maybe also: Nagios http://www.zenoss.com/ general Rack We are using SNMP to re...
Server
Abstract This documentation describes server, the corresponding functions and the location. Table of Server name location function * ip * FAI manage...
ServerIPLenny
IP Scheme for Servers (Lenny) This is an IP Scheme for Lenny Servers. For an IP Scheme of the Management and Data Network, refer here. For a scheme of Etch server...
ServerIPetch
IP Scheme for Servers (Etch) This is an IP Scheme for Servers. For an IP Scheme of the Management and Data Network, refer here. For a scheme of Lenny Servers, re...
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...
Snmptrap
SNMPTRAPD In order to receive traps on has to install snmpd on a node. Edit the /etc/default/snmpd file and set the TRAPRUN flag to yes . You will find trap ...
NEW - 31 Mar 2008 - 08:11 by Fehrmann
Softupdate
Softupdate Softupdate runs through the fai installation and performs all the changes which have been made after the installation process. On the client side f...
SpecialNodes
Main.CarstenAulbert 08 Jan 2009 Special nodes The following nodes are considered special, please help to keep this list up to date! node name assigned job...
Ssh
SSH SSH User settings User settings are usually found in ${HOME}/.ssh/config and can be created by any text editor. Each setting can be specific to all hosts, a...
NEW - 07 Dec 2007 - 11:02 by Carsten
SshFS
How to mount your Atlas home on your computer Using sshfs it is quite simple but could be a little bit on the slower side of life. Prerequisites: 1. Make sure...
StorageNodes
Performance Tests * RAID performance * Scheduler * SchedulerTests * ScrubbingTests
NEW - 26 Jan 2008 - 15:03 by Carsten
TCP
Category:Network Transmission Control Protocol (TCP) vistit wikipedia on TCP . Congestion control Is used to optimize the senders behaviour to the current netwo...
NEW - 21 Nov 2007 - 19:29 by MatthiasLInden
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
UPS
Hardware MGE Galaxy 6000 ups.mfr: MGE UPS SYSTEMS ups.model: Galaxy Single UPS ups.serial: 49EH29101 ups.date: 2008/03/24 ups.firmware: V1.GAU305S300IC303 ups.fi...
NEW - 20 Apr 2008 - 09:51 by Shaltev
UsefulItems
Usefull tools making your life easier dsh the distributed/dancer shell Introduction The dancer shell is very usefull to run identical commands on the whole cl...
VLAN
Category:Network VLANs are described in IEEE 802.1Q. Description VLANs are a 4 Byte extension to the standart Ethernet frame, the VLAN tag. The Tag is set by the...
NEW - 20 Oct 2007 - 19:31 by MatthiasLInden
WebHome
This is the public information on the ATLAS cluster operated by the Max Planck Institute for Gravitational Physics (also named Albert Einstein Insititute, AEI) si...
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...
WorkPlanShutdown20130115
Work planned for cluster shutdown on 2013 01 15 shutdown plan The following services will be shut down 1 all compute nodes possibly with the exception of "r...
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
ZFS
ZFS ZFS is a file system created by Sun Microsystems for Solaris/OpenSolaris in 2005. ZFS combines concepts of filesystem and volume management. The name ZFS ori...
NEW - 30 Jul 2007 - 16:02 by Sebastian
Number of topics: 108
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