Backlinks to WenjingWu in all Webs (Search Main Web only)
Results from Main web retrieved at 03:14 (GMT)
AGLUserGroup
Edit this topic to add a description to the AGLUserGroup
r11 - 09 Sep 2020 - 23:50 by PhilippeLaurens
AdminGroup
%IF{"(NOT defined GROUP) OR $GROUP = ''" then=' How to add the first administrator If you haven\'t previously set up an administrator, follow these steps: (Note:...
r5 - 09 Sep 2020 - 22:59 by AdminUser
WikiUsers
List of Foswiki users Below is a list of users with accounts. If you want to edit topics or see protected areas of the site then you can get added to the list by ...
r3 - 15 Sep 2020 - 05:27 by AdminUser
Number of topics: 3
Results from AGLT2 web retrieved at 03:14 (GMT)
AccessEOSFiles
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...
r2 - 21 Feb 2019 - 16:41 by WenjingWu
AfsRelated
* AFSipmiSetup IPMI setups for AFS file servers * AfsBuildKernelModule How to Build the AFS Kernel Module * OpenAFS OpenAFS for Windows * ZFs...
NEW - 19 Feb 2019 - 02:08 by WenjingWu
AmandaRelated
* information about taking/restoring backups * Amanda * InstallAmandaOnCentos7 Main.WenjingWu 19 Feb 2019
r2 - 25 Jul 2019 - 19:49 by WenjingWu
AssociateDirectoryToPools
How a associate a directory to certain pools user case: we need to designate certain pools for sc07,which means when we write data to a certain directory, data wi...
r7 - 08 Apr 2009 - 23:36 by WenjingWu
AutoTestPrograms
Auto Test Programs over AGLT2 Cluster Related PNFS mount point test Purpose Make sure every computer node has "/pnfs/aglt2.org" mounted , and every gridftp door ...
r3 - 16 Oct 2009 - 20:14 by TomRockwell
BenchMarkOn2950KernelTunning
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...
r27 - 09 May 2012 - 20:12 by BenMeekhof
BenchMarks
* Md3460Benchmark * Md3260Benchmark * IOTestByIOZONE * BenchmarkOn2950 * Dell2950KernelTuning * TuningXFS * SolarisZFS Solaris 10 x86 on...
r45 - 11 Nov 2014 - 19:34 by BenMeekhof
BenchmarkOn2950
Benchmark On Dell 2950 2950 basic specification Chassis Model : PowerEdge 2950 2 CPUS: Processor Brand : Intel(R) Xeon(R) CPU ...
r23 - 09 May 2012 - 20:12 by BenMeekhof
CFEngineRelated
* CfEngine About CFEngine * Cfengine2to3Transition From CFEngine 2 to 3 * CfenginePolicyWorkflow CFEngine policy workflow * CfengineExample ...
NEW - 19 Feb 2019 - 02:40 by WenjingWu
CleanProddisk
We are using charles's proddisk_clean.py to clean our proddisk regularly.. 1 login dq2.aglt2.org as dq2 2.setup the env. export LFC_HOST=lfc.aglt2.org source /a...
NEW - 16 Feb 2009 - 17:53 by WenjingWu
CondorRelated
* CondorMain Condor Installation at AGLT2 * CondorConfig Condor Configuration * CondorUpdates Condor Updates * CondorUpdatesPractice A prac...
r2 - 07 Feb 2020 - 20:14 by WenjingWu
CondorUpdatesPractice
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 ...
NEW - 07 Feb 2020 - 20:30 by WenjingWu
ConsistencyWorkAferLosingAnode
What To Do after losing the dcache partions of a Node? Due to the rocks rebuilding failures. dcache partitions could be wiped during the rebuilding, thus we have ...
NEW - 30 Jan 2009 - 22:35 by WenjingWu
DCacheOfAGLT2
Dcache on AGLT2 service distribution: all the dcache services are physically distributed to 37 nodes. tow of them are head nodes(head01.aglt2.org and head02.aglt...
r4 - 24 Sep 2007 - 15:32 by WenjingWu
DCacheRepHot
RepHot for dCache configuration file default path : /opt/rep_hot/config/rephot.conf VERBOSE=1 ## increase it from more detailed log file DEBUG=0 #...
r2 - 19 Sep 2009 - 18:39 by ShawnMcKee
DcacheTroubeShooting
Dcache TroubleShooting Case 1.. node c 104 2 has some broken files which mean the md5sum of local file doesnt match the md5sum of source file.. we decided to rec...
r8 - 16 Mar 2009 - 16:12 by WenjingWu
DebuggingExample
debug on the dccp on dcache admin node root@head01 ~# dccp dcap://head01.aglt2.org/pnfs/aglt2.org/data/tdhtest3 /tmp/test3 12317 bytes in 0 seconds It works,also ...
r2 - 06 Sep 2007 - 19:33 by WenjingWu
Dell2950KernelTuning
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...
r20 - 09 May 2012 - 20:13 by BenMeekhof
DellMachineAcess
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 ...
NEW - 07 May 2019 - 16:24 by WenjingWu
GetUpdatedAfterAddingNewSpaceToken
We have a bunch of scripts which relies on the space token information, therefore,I define 2 hash based subroutine in the dcache perl Library, everytime you add/r...
NEW - 08 Apr 2009 - 19:22 by WenjingWu
HowToAccessDcacheDataFromLocal
how to copy files from dcache system to your local machines? Now our dcache system support three protocols to access files in dcache:Dcap SRM and GSIFTP proto...
r16 - 29 Oct 2007 - 14:20 by WenjingWu
HowToAccessDcacheDataFromRoot
How To Get Data From Dcache directly by Root when using Root, you can specify the root files in 2 different ways: 1 download these files from the dcache director...
r7 - 29 Oct 2007 - 14:48 by WenjingWu
HowToAddNewPoolsToDcache
How To Add New Pools to Dcache This page is obsolete for dCache/Chimera. See HowToAddNewPoolsToChimera instead. On our existing dcache system ,I add some New ...
r11 - 19 Nov 2009 - 19:34 by ShawnMcKee
HowToCopyDataToDcache
How to Copy data to dcache we can use dccp , srmcp or globus url copy utilities to copy data to dcache, but dccp dosnt support recursive, srmcp will finally call ...
r2 - 14 Nov 2007 - 18:56 by WenjingWu
HowToEasyMoveDataFromPoolToPool
Easy Move dcache data from pool to pool UserCase we want to retire non resilient pool umfs07_2 from dcache which holds 1.7TB data,so we need to move these data t...
r3 - 05 Apr 2008 - 20:56 by WenjingWu
HowToEditAFS
How to convert a RO volume to a RW volume in AFS 1) Get tokens as 'admin' via 'kinit admin' folllowed by 'aklog' 2) Check the mount: 'fs lsmount /afs/atlas.umi...
r3 - 08 Apr 2009 - 23:57 by WenjingWu
HowToExtendPoolView
How To Extend PoolView Purpose Allows to group pools on the web pages either according to the PoolManager groups or to customized groups. How to ? Uncomment th...
r3 - 20 Feb 2008 - 17:23 by WenjingWu
HowToMoveDataFromPoolToPool
How to Move data from pool to pool (how to drain a pool) *usecase*: we want to retire the node c 2 33 from the pool nodes..so we need to move the data from po...
r12 - 29 Oct 2007 - 20:44 by WenjingWu
HowToRmPnfsDir
How To rename or RM pnfs dir Rename Just do the rename as the 'root' user. You will get the error message "mv: cannot move `xxx' to `yyy': Stale NFS fil...
NEW - 04 Aug 2008 - 17:50 by WenjingWu
HowToSetUpATLASSpaceToken
Setup Atlas Space Token background details about why space revervation is needed, refer to srm space reservationdcache book. steps to set up space reservation ...
r10 - 08 Apr 2009 - 23:35 by WenjingWu
HowToSetupBerkeleyDBforPoolMetadata
Here is from an email: In dCacheSetup (in Aglt2, it is poolSetup)you need to define: metaDataRepositoryImport=org.dcache.pool.repository.meta.file.FileMetaDataRe...
NEW - 12 Feb 2009 - 16:01 by WenjingWu
HowToSetupSrmSpaceReservation
Setup Srm Space reservation background details about why space revervation is needed, refer to srm space reservationdcache book. steps to set up space reservat...
r5 - 20 Feb 2008 - 18:59 by WenjingWu
IOTESTByIOZONETUNNING
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 ...
r18 - 09 May 2012 - 20:13 by BenMeekhof
IOTestByIOZONE
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...
r38 - 09 May 2012 - 20:13 by BenMeekhof
InstallAmandaOnCentos7
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...
r2 - 17 Sep 2019 - 19:35 by WenjingWu
InstallUpgradeOSG
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...
r42 - 17 May 2018 - 20:19 by BobBall
JobSubMission
* SubmitTestJobInPanda Main.WenjingWu 12 Aug 2008
r3 - 16 Oct 2009 - 20:14 by TomRockwell
LustreAtAglt2
Lustre At Aglt2 Lustre Deployment MDS(metadata Server) we have a failover pair of metadata servers,lmd01 and lmd02, both servers can access the same device (/...
NEW - 15 Dec 2008 - 23:02 by WenjingWu
LustreDKMS
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...
NEW - 07 Feb 2020 - 22:15 by WenjingWu
LustreDeploy212
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...
NEW - 07 Feb 2020 - 22:14 by WenjingWu
LustreMigration
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...
NEW - 07 Feb 2020 - 22:27 by WenjingWu
LustreSetup
Deploy a new Lustre file system 2.12 * LustreDeploy212 Deploy a new Lustre system * LustreDKMS Lustre DKMS issues Lustre Update Practice * Lus...
r16 - 07 Feb 2020 - 22:30 by WenjingWu
LustreUpdatePractice
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...
NEW - 07 Feb 2020 - 22:04 by WenjingWu
ManagementofDcache
Management of Dcache main services to maintain head01 : dcache core head02: postgresql pnfs dcache core pool nodes: dcache core dcache pool main configurati...
r11 - 24 Jun 2009 - 15:10 by BenMeekhof
OSGNotes
* InstallUpgradeOSG Modified April 5, 2011, for OSG 1.2.19 install, B.Ball * UpdateOSGOnGatekeeper How to update the OSG and condor ce on gatekeepers ...
r11 - 07 Feb 2020 - 19:53 by WenjingWu
ProcedureofBuildingNewNodes
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 ...
NEW - 18 Feb 2019 - 20:52 by WenjingWu
ProctingSshKeys
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...
NEW - 06 May 2019 - 21:04 by WenjingWu
SetupRoot
login to any of the interactive machine(unt3int01 05), run the following commands #localSetupATLAS or run #source /cvmfs/atlas.cern.ch/repo/ATLASLocalRootBase/u...
NEW - 21 May 2019 - 20:35 by WenjingWu
SubmitTestJobInPanda
How to submit test jobs in panda from umt3 interactive nodes 1 get permission to access BNL CVS BNL CVS is a mirror to Cern CVS, it is a readonly CVS, you can us...
r2 - 12 Aug 2008 - 19:40 by WenjingWu
Tier3CondorDiag
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...
NEW - 01 May 2019 - 16:53 by WenjingWu
TuningXFS
Tunning on XFS options su and sw mkfs.xfs f d su=128k,sw=28 /dev/sdb WRITE real 0m27.698s user 0m0.017s sys 0m17.726s READ real 0m14.142s user ...
r3 - 09 May 2012 - 20:13 by BenMeekhof
UpdateOSGOnGatekeeper
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...
NEW - 07 Feb 2020 - 20:33 by WenjingWu
VaccumPgsqlDB
How to Vacuum Postgresql DB sometimes, when too many deletion or updating opereations happened to the postgresql database, it would run into a transactionid probl...
NEW - 27 Sep 2008 - 17:49 by WenjingWu
WebHome
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...
r271 - 10 Sep 2020 - 00:40 by PhilippeLaurens
Number of topics: 54
Copyright © by the contributing authors. All material on this collaboration platform is the property of the contributing authors. Ideas, requests, problems regarding Foswiki? Send feedback